St. Mary Michele T
SEC insider (Form 3/4/5 filer). CIK 0002057553. Chief Legal Officer & GC at Amentum Holdings, Inc. (AMTM). 4 reported Form 4/5 transactions since Sep 2024; latest on Feb 17, 2026. Located in CHANTILLY, VA.
Companies St. Mary Michele T has filed insider reports for
- Amentum Holdings, Inc. (AMTM): Officer, Chief Legal Officer & GC
St. Mary Michele T
CIK: 0002057553
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)1 (25.0%)
Derivative conversions
Awards (A)2 (50.0%)
Compensation grants
Other (G, F, J, C, D, …)1 (25.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
AMTM
Amentum Holdings, Inc.
Officer
Discretionary Trading P&L
Holdings
Transaction History (4 total)
- Feb 17, 2026AMTM
Amentum Holdings, Inc.
ExerciseDirect7.1K shares- - Feb 17, 2026AMTM
Amentum Holdings, Inc.
Tax PaymentDirect2.3K shares at avg. $30.05$69K - Nov 17, 2025AMTM
Amentum Holdings, Inc.
AwardDirect22.3K shares- - Mar 17, 2025AMTM
Amentum Holdings, Inc.
AwardDirectRestricted Stock Units
21.2K shares-
1-4 of 4 transactions