Amentum Holdings, Inc.

Ownership Transactions Reported by 30 Insiders

Symbol
AMTM on NYSE
Industry
Services-Business Services, NEC
Location
4800 Westfields Boulevard, Suite 400, Chantilly, VA

Insiders trading volume in the past year

Amentum Holdings, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
ASP Amentum Investco LP 10%+ Owner $913M Dec 17, 2024
ASP Manager Corp. 10%+ Owner $913M Dec 17, 2024
Goldberg 2014 LLC 10%+ Owner $817M May 8, 2025
Lindsay Goldberg Employee Co-Inv. IV L.P. 10%+ Owner $817M May 8, 2025
Alan E. Goldberg Director, 10%+ Owner $817M May 8, 2025
Steven J. Demetriou Executive Chair, Director $20.1M +$2.08M +11.6% Nov 17, 2025
John E. Heller Chief Executive Officer, Director $9.1M Nov 17, 2025
John C. Vollmer Director $7.6M Apr 8, 2025
Travis Barton Johnson Chief Financial Officer $3.1M Nov 17, 2025
Stephen A. Arnette Chief Operating Officer $2.01M Nov 17, 2025
Michele St. Mary Chief Legal Officer & GC $876K Nov 17, 2025
Ralph E. Eberhart Director $776K Apr 8, 2025
Jill L. Bruning Chief Technology Officer $763K Nov 17, 2025
Darren Burton Chief People Officer $652K Nov 17, 2025
Sean Thomas Mullen Chief Growth Officer $649K Nov 17, 2025
Vincent K. Brooks Director $411K Apr 8, 2025
Barbara Loughran Director $314K +$97.6K +45.1% Apr 8, 2025
Susan Leslie Ireland Director $281K Apr 8, 2025
Sandra E. Rowland Director $281K Apr 8, 2025
Christopher M.T. Thompson Director $216K Apr 8, 2025
Stuart Ira Young Chief Legal Officer $77K Nov 6, 2024
Jacobs Solutions Inc. 10%+ Owner $0 Mar 13, 2025
Amentum Joint Venture GP LLC Director $0 May 8, 2025
Kevin C. Berryman Chief Financial Officer, Director Sep 18, 2024
Robert V. Pragada Chief Executive Officer, Director Sep 18, 2024
Benjamin Buhl Dickson Director Sep 27, 2024
Connor Wentzell Director Sep 27, 2024
Justin Johnson Secretary Sep 18, 2024
J. Russell Triedman Director Sep 27, 2024
Chin Chang Hsu Treasurer Sep 18, 2024

Recent Insider Transactions by Companies or Individuals for Amentum Holdings, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.