Mary Michele T. St.

General Counsel, Amentum Holdings, Inc.

Companies

Amentum Holdings, Inc.General counsel Feb 24, 2025 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Amentum Holdings, Inc. AMTM27,043 shares²$542.5K at $20.06Feb 17, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

Feb 17, 2026Shares withheld for tax 2,308 shares at $30.05 of Amentum Holdings, Inc.²
Feb 17, 2026Exercised options 7,080 shares of Amentum Holdings, Inc.²
Nov 17, 2025Granted 22,271 shares of Amentum Holdings, Inc.³

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARAmentum Holdings, Inc., General counsel
2
SEC EDGARAmentum Holdings, Inc. shares after the filing of Feb 17, 2026
3
SEC EDGARForm 4 filed Nov 19, 2025