Home/Filings/4/0001628280-25-051110
4//SEC Filing

DEMETRIOU STEVEN J. 4

Accession 0001628280-25-051110

CIK 0002011286other

Filed

Nov 9, 7:00 PM ET

Accepted

Nov 10, 4:44 PM ET

Size

9.4 KB

Accession

0001628280-25-051110

Insider Transaction Report

Form 4
Period: 2025-11-06
DEMETRIOU STEVEN J.
DirectorExecutive Chair
Transactions
  • Exercise/Conversion

    Restricted Stock Units

    2025-11-0690,7270 total
    Common Stock (90,727 underlying)
  • Tax Payment

    Common Stock

    2025-11-06$21.79/sh28,818$627,944682,802 total
  • Exercise/Conversion

    Common Stock

    2025-11-06+90,727711,620 total
Holdings
  • Common Stock

    (indirect: By Spouse)
    23,550
Footnotes (4)
  • [F1]Represents distribution of AMTM common stock upon vesting of restricted stock units.
  • [F2]Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units.
  • [F3]Each restricted stock unit represents a contingent right to receive one share of AMTM common stock.
  • [F4]The restricted stock units awarded vested on November 6, 2025.

Issuer

Amentum Holdings, Inc.

CIK 0002011286

Entity typeother

Related Parties

1
  • filerCIK 0001173003

Filing Metadata

Form type
4
Filed
Nov 9, 7:00 PM ET
Accepted
Nov 10, 4:44 PM ET
Size
9.4 KB