Form 4 Tracker
Stephen A Arnette

Chief Operating Officer · 2 filings · Latest: May 6, 2026

Amentum Holdings, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
AMTM
Stephen A ArnetteChief Operating OfficerMay 6, 2026
Option Exercise
13,609109,966
AMTM
Stephen A ArnetteChief Operating OfficerMar 2, 2026
Option Exercise
2,80897,107
J
Arnette Stephen ANov 21, 2024
Proposed Sale
$135.702,593$351.9K