DEMETRIOU STEVEN J. 4
4 · Amentum Holdings, Inc. · Filed Nov 19, 2025
Insider Transaction Report
Form 4
DEMETRIOU STEVEN J.
DirectorExecutive Chair
Transactions
- Exercise/Conversion
Common Stock
2025-11-17+43,396→ 726,198 total - Award
Common Stock
2025-11-17+111,355→ 820,476 total - Tax Payment
Common Stock
2025-11-17$21.49/sh−17,077$366,985→ 709,121 total - Exercise/Conversion
Restricted Stock Units
2025-11-17−43,396→ 0 total→ Common Stock (43,396 underlying)
Holdings
- 23,550(indirect: By Spouse)
Common Stock
Footnotes (5)
- [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]The restricted stock units shall vest and be delivered on the first anniversary of November 17, 2025.
- [F4]Each restricted stock unit represents a contingent right to receive one share of AMTM common stock.
- [F5]The restricted stock units awarded vested on November 17, 2025.