Filed May 22, 2026Period of report May 20, 20260001786113-26-000005
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
PurchaseMay 20, 2026
Class A Common Stock
250
$5.515
$1.38K
4,708
Direct
Kabot BrianDirector
4
Filed May 20, 2026Period of report May 18, 20260001786113-26-000004
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
PurchaseMay 19, 2026
Class A Common Stock
250
$5.615
$1.40K
4,458
Direct
Kabot BrianDirector
4
Filed May 20, 2026Period of report May 15, 20260001786113-26-000002
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
PurchaseMay 15, 2026
Class A Common StockF1F2
1,850
$5.4046
$10.00K
3,295
Hadfield ChrisDirector
4
Filed May 18, 2026Period of report May 15, 20260001837938-26-000001
Transaction
Security
Shares
Price
ValueValue (shares × price)
Held after
Ownership
PurchaseMay 15, 2026
Class A Common Stock
1,500
$5.32
$7.98K
1,500
IndirectHadfield Inc.
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.
F1Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus Inc. Class A Common Stock.
F2The RSUs will vest in full on the earlier to occur of May 18, 2027 or the day of the 2027 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.
F1This transaction was executed in multiple trades at prices ranging from $5.275 to $5.6099. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
F2The reporting person was previously reported as a beneficial owner of securities held by SRC-NI Holdings, LLC. The number of shares reported in Column 5 as direct ownership is greater than previously reported due to a distribution of shares by SRC-NI Holdings, LLC to its investors.
F1Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Momentus Inc. Class A Common Stock.
F2The RSUs will vest in full on the earlier to occur of June 30, 2026 or the day before the 2026 Annual Meeting, subject to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.