Thompson Christopher M.T. sold AMTM

August 14, 2026 · Form 4 insider transaction

Thompson Christopher M.T. sold 4,250 shares of Amentum Holdings, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as gift and disclosed on an SEC Form 4, filed 34 days after the transaction.

Direction
Disposed (sell-side)
Shares
4,250
Price
$0.00
Total value
N/A
Role
SecurityCommon Stock
Transaction codeG: Gift
Transaction dateAugust 14, 2026
Filing dateSeptember 17, 2026
Shares owned after5,750
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

Mr. Thompson's filing was late due to an administrative oversight.; On August 14, 2026, the reporting person transferred an LLC interest representing 4,250 shares of AMTM common stock to an immediate family for no consideration.

View the original Form 4 on SEC EDGAR