Darren Burton - 17 Nov 2025 Form 4 Insider Report for Amentum Holdings, Inc. (AMTM)

Signature
/s/ Mark Esposito, Attorney-in-Fact
Issuer symbol
AMTM
Transactions as of
17 Nov 2025
Net transactions value
$0
Form type
4
Filing time
19 Nov 2025, 17:47:42 UTC
Previous filing
09 Dec 2024
Next filing
09 Dec 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Burton Darren Chief People Officer C/O AMENTUM HOLDINGS, INC., 4800 WESTFIELDS BOULEVARD, SUITE 400, CHANTILLY /s/ Mark Esposito, Attorney-in-Fact 19 Nov 2025 0002044904

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMTM Common Stock Award $0 +22,271 $0.000000 22,271 17 Nov 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 One-third of the restricted stock units shall vest on each of the first, second and third anniversaries of November 17, 2025.