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

Role
Chief People Officer
Signature
/s/ Mark Esposito, Attorney-in-Fact
Stock symbol
AMTM
Transactions as of
Nov 17, 2025
Transactions value $
$0
Form type
4
Date filed
11/19/2025, 05:47 PM
Previous filing
Dec 9, 2024
SEC
View on sec.gov

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 2025-11-19 0002044904

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMTM Common Stock Award $0 +22.3K $0.00 22.3K Nov 17, 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.