November 17, 2025 · Form 4 insider transaction
Arnette Stephen A sold 287 shares of Amentum Holdings, Inc. at $21.49 per share, a transaction worth $6.2K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.
Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units.