DEMETRIOU STEVEN J. 4
4 · Amentum Holdings, Inc. · Filed Nov 10, 2025
Insider Transaction Report
Form 4
DEMETRIOU STEVEN J.
DirectorExecutive Chair
Transactions
- Exercise/Conversion
Restricted Stock Units
2025-11-06−90,727→ 0 total→ Common Stock (90,727 underlying) - Tax Payment
Common Stock
2025-11-06$21.79/sh−28,818$627,944→ 682,802 total - Exercise/Conversion
Common Stock
2025-11-06+90,727→ 711,620 total
Holdings
- 23,550(indirect: By Spouse)
Common Stock
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.