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SM

SEC Insider//CIK 0002057553

St. Mary Michele T

CIK 00020575531 companyCHANTILLY, VA

Transactions

5

Companies

1

Filings

3

CIK

0002057553

Recent Transactions

5 trades

Exercise/Conversion
Amentum Holdings, Inc.$AMTM
Common Stock
2026-02-17+7,080→ 29,351 total
Tax Payment
Amentum Holdings, Inc.$AMTM
Common Stock
2026-02-17$30.05/sh−2,308→ 27,043 total
Exercise/Conversion
Amentum Holdings, Inc.$AMTM
Restricted Stock Units
2026-02-17−7,080→ 14,162 total
Award
Amentum Holdings, Inc.$AMTM
Common Stock
2025-11-17+22,271→ 22,271 total
Award
Amentum Holdings, Inc.$AMTM
Restricted Stock Units
2025-03-17+21,242→ 21,242 total

Companies

1

Amentum Holdings, Inc.
Chief Legal Officer & GC
$AMTM

Recent Filings

3

Address

C/O AMENTUM HOLDINGS, INC. 4800 WESTFIELDS BOULEVARD, SUITE 400

CHANTILLY, VA, 20151

View on SEC.gov