|4Dec 9, 4:28 PM ET

Burton Darren 4

4 · Amentum Holdings, Inc. · Filed Dec 9, 2025

Insider Transaction Report

Form 4
Period: 2025-12-05
Burton Darren
Chief People Officer
Transactions
  • Exercise/Conversion

    Common Stock

    2025-12-05+2,72124,992 total
  • Tax Payment

    Common Stock

    2025-12-05$28.88/sh1,392$40,20123,600 total
  • Exercise/Conversion

    Restricted Stock Units

    2025-12-052,7215,444 total
    Common Stock (2,721 underlying)
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 December 5, 2025.

Documents

1 file
  • 4
    wk-form4_1765315717.xmlPrimary

    FORM 4