November 6, 2025 · Form 4 insider transaction
Mullen Sean Thomas sold 1,621 shares of Amentum Holdings, Inc. at $21.79 per share, a transaction worth $35.3K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 4 days after the transaction.
Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units.