Mullen Sean Thomas bought AMTM
December 17, 2025 · Form 4 insider transaction
Mullen Sean Thomas bought 9,298 shares of Amentum Holdings, Inc., a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
9,298
Price
N/A
Total value
N/A
InsiderMullen Sean Thomas
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateDecember 17, 2025
Filing dateDecember 19, 2025
Shares owned after30,332
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Represents distribution of AMTM common stock upon vesting of restricted stock units.