Open-market purchases and sales reported on SEC Forms 4 and 5, with each filing and its footnotes.
Since Oct 4, 2025
Transactions
15
Purchases
0
Sales
15
Purchase value
$0.00
Sale value
$3.40M
Values are shares multiplied by reported price when both were supplied, each trade counted once however many filers reported it.
Long Donna M.SVP, CIO
4Rule 10b5-1 plan disclosed
Filed Aug 18, 2026Period of report Aug 17, 20260001628280-26-057643
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
SaleAug 17, 2026
Common StockF1
734
$135.21
$99.24K
19,338.8738
Direct
Filing footnotes · 1
F1Represents shares of the Issuer's common stock sold by the reporting person in accordance with a Rule 10b5-1 trading arrangement adopted by the reporting person on August 20, 2025.
Filed Aug 7, 2026Period of report Aug 5, 20260001628280-26-054845
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
SaleAug 5, 2026
Common Stock
1,974
$145.23
$286.68K
6,897.4178
Direct
Long Donna M.SVP, CIO
4Rule 10b5-1 plan disclosed
Filed Mar 16, 2026Period of report Mar 12, 20260001628280-26-018176
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
Sale
Long Donna M.SVP, CIO
4Rule 10b5-1 plan disclosed
Filed Jan 6, 2026Period of report Jan 2, 20260001628280-26-000946
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
Sale
McKnight JohnPresident, Heavy Duty
4
Filed Dec 15, 2025Period of report Dec 12, 20250001628280-25-057154
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
SaleDec 12, 2025
Common StockF1
2,000
$128.798
$257.60K
9,112.1061
Direct
McKnight JohnPresident, Heavy Duty
4
Filed Dec 3, 2025Period of report Dec 1, 20250001628280-25-054995
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
SaleDec 1, 2025
Common StockF1
3,987
$130.595
$520.68K
12,023.1061
Direct
Hession DavidSVP and CFO
4
Filed Nov 3, 2025Period of report Oct 31, 20250001628280-25-048285
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
SaleOct 31, 2025
Common StockF1
3,120
$134.1413
$418.52K
15,011.6363
Direct
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.
SaleAug 5, 2026
Common Stock
1,557
$144.72
$225.33K
5,340.4178
Direct
Filing footnotes · 3
F1The amount reported includes 62.075 shares acquired by the Reporting Person under Dorman's employee stock purchase plan on June 30, 2026.
F2The option vests in four equal annual installments beginning on March 2, 2023, which was the first anniversary of the date of grant.
F3The option vests in four equal annual installments beginning on March 2, 2024, which was the first anniversary of the date of grant.
F1Represents shares of the Issuer's common stock sold by the reporting person in accordance with a Rule 10b5-1 trading arrangement adopted by the reporting person on August 20, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.774 through $102.772. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and 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 $102.775 through $103.731. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and 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 $103.785 through $104.454. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F1Represents shares of the Issuer's common stock sold by the reporting person in accordance with a Rule 10b5-1 trading arrangement adopted by the reporting person on August 20, 2025.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $122.05 through $123.01. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and 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 $123.03 through $124.01. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and 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 $124.02 through $125.01. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.53 to $129.26. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $130.18 to $131.135. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and 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 $131.175 to $131.35. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and 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 option vests in four equal annual installments beginning on November 1, 2020, which was the first anniversary of the date of grant.
F4The option vests in four equal annual installments beginning on March 2, 2022, which was the first anniversary of the date of grant.
F5The option vests in four equal annual installments beginning on March 2, 2023, which is the first anniversary of the date of grant.
F6The option vests in four equal annual installments beginning on March 2, 2024, which is the first anniversary of the date of grant.
F1The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.01 through $134.38. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and 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 $135.03 through $135.97. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and 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 $136.01 through $136.90. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
