Open-market purchases and sales reported on SEC Forms 4 and 5, with each filing and its footnotes.
Since Oct 22, 2025
Transactions
580
Purchases
0
Sales
580
Purchase value
$0.00
Sale value
$1.38B
Values are shares multiplied by reported price when both were supplied, each trade counted once however many filers reported it.
Ullal JayshreeDirector · CEO and Chairperson
4Rule 10b5-1 plan disclosed
Filed Oct 13, 2026Period of report Oct 8, 20260001596532-26-000244
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
SaleOct 9, 2026
Common StockF1F4F3
18,656
$217.0958
$4.05M
4,774,691
IndirectBy Trust for Child 1
SaleOct 9, 2026
Common StockF1F4F3
Filing footnotes · 7
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.215, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F6These shares are held by a family trust for which the reporting person is co-trustee.
F7These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
Filed Apr 16, 2026Period of report Apr 14, 20260001596532-26-000056
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
Sale
Ullal JayshreeDirector · CEO and Chairperson
4Rule 10b5-1 plan disclosed
Filed Apr 15, 2026Period of report Apr 13, 20260001596532-26-000054
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
Sale
Giancarlo Charles HDirector
4Rule 10b5-1 plan disclosed
Filed Apr 3, 2026Period of report Apr 1, 20260001596532-26-000052
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
Sale
P and S transaction codes only. Grants, gifts, option exercises, tax withholding, and Form 144 notices are not counted as purchases or sales. A row whose filed price fails a plausibility check, or that is not common stock, is listed but left out of the values; a trade reported by several filers is counted once.
18,656
$217.0958
$4.05M
4,774,691
IndirectBy Trust for Child 2
SaleOct 9, 2026
Common StockF5F4F6
93,241
$217.0958
$20.24M
15,432,507
Indirectby Trust
SaleOct 8, 2026
Common StockF1F2F3
4,000
$217.0483
$868.19K
4,793,347
IndirectBy Trust for Child 1
SaleOct 8, 2026
Common StockF1F2F3
4,000
$217.0483
$868.19K
4,793,347
IndirectBy Trust for Child 2
SaleOct 8, 2026
Common StockF5F2F6
19,990
$217.0483
$4.34M
15,525,748
Indirectby Trust
Oct 7, 2026
Common StockF1F2F3
13,860
$217.1408
$3.01M
4,797,347
IndirectBy Trust for Child 1
SaleOct 7, 2026
Common StockF1F2F3
13,860
$217.1408
$3.01M
4,797,347
IndirectBy Trust for Child 2
SaleOct 7, 2026
Common StockF4F2F5
69,272
$217.1408
$15.04M
15,545,738
Indirectby Trust
Filing footnotes · 6
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.18, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F5These shares are held by a family trust for which the reporting person is co-trustee.
F6These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.00 to $211.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.03 to $213.025, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.03 to $213.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F7These shares are held by a family trust for which the reporting person is co-trustee.
F8These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on December 11, 2025 and modified on June 2, 2026.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.18 to $202.10, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.64 to $203.09, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.99 to $204.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.00 to $205.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.02 to $206.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7These shares are held in a trust for which the reporting person's spouse serves as trustee.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.00 to $211.79, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F5These shares are held by a family trust for which the reporting person is co-trustee.
F6These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.
F10These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
F11Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
F12Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
F13These shares are held by a family trust for which the reporting person is co-trustee.
F141/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.09 to $202.08, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.10 to $203.08, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.11 to $203.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.20 to $205.18, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.20 to $205.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026.
F8These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F9The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.00 to $200.985, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.00 to $201.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.00 to $202.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F13The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.00 to $203.9975, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F14The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.00 to $204.84, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.98 to $193.96, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is a trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.00 to $194.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.00 to $195.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.00 to $196.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.00 to $197.9975, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.00 to $198.94, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.00 to $199.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.81 to $195.67, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.81 to $196.70, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.01 to $197.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.03 to $198.96, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.21 to $199.38, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7These shares are held in a trust for which the reporting person's spouse serves as trustee.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on December 11, 2025 and modified on June 2, 2026.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.25 to $200.24, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is a trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.25 to $201.245, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.25 to $202.245, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.25 to $203.2475, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.25 to $204.24, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.25 to $205.24, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.25 to $205.53, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.51 to $191.495, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.51 to $192.50, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.52 to $192.85, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F6These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F7These shares are held by a family trust for which the reporting person is co-trustee.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 10, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.12 to $185.11, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.17 to $186.12, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.32 to $187.31, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $187.35 to $188.32, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.45 to $189.24, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.
F10Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
F11These shares are held by a family trust for which the reporting person is co-trustee.
F12Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
F13Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
F14Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
F151/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.
F161/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.
F17Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2026 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.
F18Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on on February 20, 2024 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.
F19Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2025 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $183.72 to $184.7176, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F20Five percent (5%) of the restricted stock awarded vested on November 20, 2025 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.
F21Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2023 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.72 to $185.719, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.7311 to $186.7213, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.7331 to $187.16, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026.
F7These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F8The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.
F9These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F10These shares are held by a family trust for which the reporting person is co-trustee.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.36 to $211.37, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $210.23 to $211.20, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $209.00 to $209.89, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $208.00 to $208.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.00 to $207.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F9The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $189.44 to $190.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11These shares are held by a family trust for which the reporting person is a trustee.
F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.44 to $191.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F13The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.44 to $192.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F14The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.44 to $193.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F15The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $193.44 to $194.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F16The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.44 to $195.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F17The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.445 to $196.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F18The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.445 to $196.9325, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $189.44 to $190.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.44 to $191.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.44 to $192.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.44 to $193.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $193.44 to $194.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.44 to $195.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.445 to $196.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.445 to $196.9325, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.28 to $200.2775, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.28 to $201.2775, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.285 to $202.275, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F13The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.29 to $203.285, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F14The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.29 to $204.28, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F15The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.29 to $205.25, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F16The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.29 to $206.27, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F17The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $209.79 to $209.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F18The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $208.29 to $208.94, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F19The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.29 to $208.285, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $193.265 to $194.26, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F20The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.29 to $207.28, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F21The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.28 to $197.27, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is a trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.275 to $195.265, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.28 to $196.27, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.2325 to $192.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.26 to $193.2475, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.28 to $198.27, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.28 to $199.275, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.045 to $205.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.08 to $205.91, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.39 to $207.355, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F13The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.495 to $208.30, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F14The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $210.04 to $210.92, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F15The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.21 to $211.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F16The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.23 to $212.8875, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.00 to $197.94, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is co-trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.00 to $198.995, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.00 to $199.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.00 to $200.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.00 to $201.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.04 to $202.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.04 to $204.03, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.045 to $205.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.08 to $205.91, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.39 to $207.355, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F13The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.495 to $208.30, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F14The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $210.04 to $210.92, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F15The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.21 to $211.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F16The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.23 to $212.8875, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.00 to $197.94, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.00 to $198.995, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.00 to $199.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.00 to $200.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.00 to $201.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.04 to $202.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.04 to $204.03, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.045 to $205.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.08 to $205.91, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.39 to $207.355, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F13These shares are held by a family trust for which the reporting person is co-trustee.
F14The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $210.04 to $210.92, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F15The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.21 to $211.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F16The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.23 to $212.8875, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F17The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.495 to $208.30, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.00 to $197.94, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.00 to $198.995, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.00 to $199.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.00 to $200.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.00 to $201.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.04 to $202.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.04 to $204.03, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 12, 2025.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.25 to $182.24, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.25 to $183.23, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $183.25 to $184.24, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F13The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.25 to $185.2409, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F14The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.25 to $186.23, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F15The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.252 to $186.52, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $174.0141 to $175.0015, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is co-trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.0785 to $176.0589, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.11 to $176.7783, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.142 to $178.13, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.1689 to $179.1092, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.17 to $180.1592, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.24 to $181.23, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.
F10Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
F11These shares are held by a family trust for which the reporting person is co-trustee.
F121/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.28 to $170.27, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $170.28 to $171.21, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $171.33 to $172.31, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026.
F6These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F7The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.
F8These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
F9Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.73 to $183.725, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $183.73 to $184.725, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.73 to $185.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.69 to $176.68, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is a trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.69 to $177.65, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.69 to $178.685, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.70 to $179.68, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.73 to $180.715, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.73 to $181.725, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.73 to $182.7275, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $187.00 to $187.42, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F5These shares are held by a family trust for which the reporting person is co-trustee.
F6These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $187.00 to $187.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.00 to $188.985, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $189.045 to $189.26, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F7These shares are held by a family trust for which the reporting person is co-trustee.
F8These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $163.74 to $164.735, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.7425 to $165.74, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.75 to $166.745, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F13The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.7775 to $167.58, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.73 to $157.725, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is a trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $157.73 to $158.725, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.73 to $159.7275, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $159.73 to $160.7225, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.73 to $161.72, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $161.74 to $162.7375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.74 to $163.73, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.74 to $163.73, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $163.74 to $164.735, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.7425 to $165.74, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F13The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.75 to $166.745, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F14The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.7775 to $167.58, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $170.25 to $170.28, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is a trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $157.73 to $158.725, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.73 to $157.725, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.73 to $159.7275, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $159.73 to $160.7225, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.73 to $161.72, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $161.74 to $162.7375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 12, 2025.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.82 to $169.8153, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.8442 to $170.41, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $161.44 to $162.39, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is co-trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.54 to $163.47, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $163.67 to $164.20, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.80 to $165.7995, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.80 to $166.7925, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.80 to $167.79, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.80 to $168.78, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.
F10The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026.
F11These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F12The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.
F13These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
F14Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
F15Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.83 to $167.64, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.95 to $168.92, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.95 to $169.91, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.95 to $170.94, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $170.95 to $171.93, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $171.97 to $172.93, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $173.03 to $174.02, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $174.04 to $174.91, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $163.51 to $164.505, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is a trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.51 to $165.50, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.51 to $166.505, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.51 to $167.505, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.51 to $168.50, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.51 to $169.165, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.435 to $160.90, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11These shares are held by a family trust for which the reporting person is a trustee.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $152.29 to $153.285, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $153.29 to $154.285, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $154.295 to $155.29, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.295 to $156.28, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.31 to $157.305, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $157.31 to $158.30, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.32 to $159.3159, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $159.3635 to $160.335, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.60 to $166.485, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.62 to $167.615, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F12The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.625 to $167.745, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F13These shares are held by a family trust for which the reporting person is a trustee.
F141/48th of the shares subject to the option vested and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.
F151/48th of the shares subject to the option vested and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $157.545 to $158.53, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.55 to $159.52, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $159.555 to $160.545, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.57 to $161.555, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $161.57 to $162.555, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.60 to $163.585, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $163.60 to $164.595, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.60 to $165.595, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 12, 2025.
F10The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $170.32 to $171.31, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F11The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $171.32 to $172.28, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.08 to $163.00, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is co-trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.00 to $164.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.29 to $166.25, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.29 to $167.26, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.30 to $168.26, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.31 to $169.30, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.32 to $170.31, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $154.00 to $154.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.00 to $155.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.00 to $156.52, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F6These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F7These shares are held by a family trust for which the reporting person is co-trustee.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $153.90 to $154.895, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is a trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $154.90 to $155.89, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.90 to $156.895, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.90 to $157.895, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $157.90 to $158.895, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.90 to $159.89, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $159.905 to $160.095, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $149.01 to $150.00, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3On December 4, 2024, the issuer completed a four-for-one stock split of the issuer's common stock. ALL AMOUNTS ON THIS FORM HAVE BEEN ADJUSTED TO GIVE EFFECT TO THIS STOCK SPLIT.
F4These shares are held by a family trust for which the reporting person is a trustee.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.01 to $151.00, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $151.01 to $152.005, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $152.01 to $153.005, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $153.01 to $154.005, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $154.01 to $154.355, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 10, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $143.86 to $144.67, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $144.94 to $145.93, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $145.94 to $146.48, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $147.92 to $147.935, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
F2The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.36 to $140.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.36 to $141.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $141.36 to $142.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.37 to $143.20, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The reporting person was granted RSUs on May 30, 2025. 1/4th of the shares vest on August 20, 2025 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 13, 2025.
F10These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
F11Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
F12Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
F13These shares are held by a family trust for which the reporting person is co-trustee.
F141/48th of the shares subject to the option shall vest and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.77 to $139.76, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.78 to $140.77, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.84 to $141.80, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $141.87 to $142.72, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.94 to $143.27, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 13, 2025.
F8These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F9The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.
F1This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 12, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $172.6688 to $173.66, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held by a family trust for which the reporting person is co-trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $173.67 to $174.6679, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $174.6874 to $175.6868, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.69 to $176.6631, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.778 to $176.9387, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.00 to $177.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.00 to $178.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F6These shares are held by a family trust for which the reporting person is co-trustee.
F7These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.22 to $168.18, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.26 to $169.255, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.28 to $169.98, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $170.50 to $170.51, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F8These shares are held by a family trust for which the reporting person is co-trustee.
F9These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.00 to $167.82, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F5These shares are held by a family trust for which the reporting person is co-trustee.
F6These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F1The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 13, 2025.
F10These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
F11Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
F12Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
F13These shares are held by a family trust for which the reporting person is co-trustee.
F141/48th of the shares subject to the option shall vest and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.53 to $161.50, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $161.59 to $162.57, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.59 to $163.589, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $163.5911 to $164.59, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.60 to $165.24, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 13, 2025.
F8These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F9The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $159.00 to $159.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.03 to $160.96, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F6These shares are held by a family trust for which the reporting person is co-trustee.
F7These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F1The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.68 to $151.56, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $151.69 to $152.68, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $152.69 to $153.68, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $153.72 to $154.46, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on December 11, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.00 to $155.06, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.00 to $150.36, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F4These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
F5These shares are held by a family trust for which the reporting person is co-trustee.
F1The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.90 to $125.89, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2The number of shares held reflects the transfer of 222,549 shares of Common Stock from the reporting person to a family trust for which the reporting person is co-trustee.
F3These shares are held by a family trust for which the reporting person is co-trustee.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.90 to $126.85, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.90 to $127.09, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
