Arnette Stephen A bought AMTM

November 15, 2025 · Form 4 insider transaction

Arnette Stephen A bought 5,758 shares of Amentum Holdings, Inc., a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 3 days after the transaction.

Direction

Acquired (buy-side)

5,758

Price

N/A

Total value

N/A

InsiderArnette Stephen A

RoleOfficer

CompanyAmentum Holdings, Inc. (AMTM)

SecurityCommon Stock

Transaction codeM — Option exercise

Transaction dateNovember 15, 2025

Filing dateNovember 18, 2025

Shares owned after37,386

OwnershipDirect

10b5-1 planNo

AmendedNo

Footnotes

Represents distribution of AMTM common stock upon vesting of restricted stock units.

View the original Form 4 on SEC EDGAR