Christopher M.T. Thompson - 06 Feb 2026 Form 4 Insider Report for Amentum Holdings, Inc. (AMTM)

Role
Director
Signature
/s/ Indira Lall, Attorney-in-fact
Issuer symbol
AMTM
Transactions as of
06 Feb 2026
Net transactions value
$0
Form type
4
Filing time
10 Feb 2026, 16:07:26 UTC
Previous filing
10 Apr 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Thompson Christopher M.T. Director C/O AMENTUM HOLDINGS, INC., 4800 WESTFIELDS BOULEVARD, SUITE 400, CHANTILLY /s/ Indira Lall, Attorney-in-fact 10 Feb 2026 0001483410

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMTM Common Stock Award $0 +5,062 $0.000000 5,062 06 Feb 2026 Direct F1
holding AMTM Common Stock 14,000 06 Feb 2026 By Spouse
holding AMTM Common Stock 10,000 06 Feb 2026 By Trust
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The restricted stock units shall vest on the date of the next annual meeting of stockholders of the Issuer.