November 17, 2025 · Form 4 insider transaction
Mullen Sean Thomas bought 17,817 shares of Amentum Holdings, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 2 days after the transaction.
One-third of the restricted stock units shall vest on each of the first, second and third anniversaries of November 17, 2025.