Amentum Holdings Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Amentum Holdings Inc.
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- AMTM
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0002011286
Board of directors
-
Alan E. Goldberg · DirectorSince 2024
-
Barbara Loughran · DirectorSince 2024
-
Benjamin Buhl Dickson · DirectorSince 2024
-
Christopher M.t. Thompson · DirectorSince 2024
-
Connor Wentzell · DirectorSince 2024
-
J. Russell Triedman · DirectorSince 2024
-
John C. Vollmer · DirectorSince 2024
-
John E. Heller · Director · Chief Executive OfficerSince 2024
-
Kevin C. Berryman · Director · Chief Financial OfficerSince 2024
-
Ralph E. Eberhart · DirectorSince 2024
-
Robert Pragada V · Director · Chief Executive OfficerSince 2024
-
Sandra E. Rowland · DirectorSince 2024
-
Stephen A. Arnette · DirectorSince 2024
-
Steven J. Demetriou · Director · Executive ChairSince 2024
-
Susan Leslie Ireland · DirectorSince 2024
-
Vincent K. Brooks · DirectorSince 2024
Chief executives
Robert Pragada V
· Chief Executive Officer
Since September 2024
John E. Heller
· Chief Executive Officer
Since September 2024
Board connections
9 of this board's directors also sit on 11 other boards.
- via Barbara Loughran, Christopher M.t. Thompson, Ralph E. Eberhart, Steven J. Demetriou and Vincent K. Brooks
- via Steven J. Demetriou
- via Barbara Loughran
- via Susan Leslie Ireland
- via Vincent K. Brooks
- via Robert Pragada V
- via Steven J. Demetriou
- via Kevin C. Berryman
- via Sandra E. Rowland
- via Ralph E. Eberhart
- via Vincent K. Brooks
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 13, 2025 | JACOBS ENGINEERING GROUP INC /DE/ 10% owner | Other | −19,464,174 | — | — |
| Mar 5, 2025 | Susan Leslie Ireland Director | Option exercise | +3,447 | — | — |
| Mar 5, 2025 | Sandra E. Rowland Director | Option exercise | +3,447 | — | — |
| Mar 5, 2025 | John C. Vollmer Director | Option exercise | +3,447 | — | — |
| Mar 5, 2025 | Vincent K. Brooks Director | Option exercise | +3,447 | — | — |
| Mar 5, 2025 | Ralph E. Eberhart Director | Option exercise | +3,447 | — | — |
| Mar 4, 2025 | Stephen A. Arnette Officer (Chief Operating Officer) | Option exercise | +521 | — | — |
| Mar 4, 2025 | Stephen A. Arnette Officer (Chief Operating Officer) | Shares withheld for tax | −152 | $18.71 | $2,844 |
| Mar 3, 2025 | Stephen A. Arnette Officer (Chief Operating Officer) | Option exercise | +1,230 | — | — |
| Mar 3, 2025 | Stephen A. Arnette Officer (Chief Operating Officer) | Shares withheld for tax | −365 | $19.64 | $7,169 |
| Feb 18, 2025 | Barbara Loughran Director | Open-market purchase | +4,600 | $21.23 | $97,658 |
| Feb 12, 2025 | Steven J. Demetriou Director, Officer (Executive Chair) | Open-market purchase | +100,000 | $20.81 | $2,081,000 |
| Dec 17, 2024 | Alan E. Goldberg Director, 10% owner | Other | +43,893,904 | — | — |
| Dec 17, 2024 | Amentum Joint Venture GP LLC Director, 10% owner | Other | −90,021,804 | — | — |
| Dec 17, 2024 | John C. Vollmer Director | Other | +391,341 | — | — |
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