Amentum Holdings, Inc. (AMTM)
NYSE: AMTM · Services-Business Services, NEC · Chantilly, VA · filing with the SEC since 2024
Who runs Amentum Holdings, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Heller John E.
Chief Executive Officer. First filing Sep 2024, latest Nov 10, 2026, 0 filings in all.
Officers reporting now
8
of 15 people with a filing in the last fifteen months
Directors reporting now
7
26 people on the record since 2024
Officerssales are open-market, Nov 10, 2025 to Nov 10, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Heller John E. | Chief Executive Officer | Sep 2024 | Nov 10, 2026 | none |
| Johnson Travis Barton | Chief Financial Officer | Sep 2024 | Nov 10, 2026 | none |
| Arnette Stephen A | Chief Operating Officer | Sep 2024 | Nov 10, 2026 | none |
| Bruning Jill L | Chief Technology Officer | Sep 2024 | Nov 10, 2026 | none |
| Mullen Sean Thomas | Chief Growth Officer | Sep 2024 | Nov 10, 2026 | none |
| St. Mary Michele T | Chief Legal Officer & GC | Feb 2025 | Feb 18, 2026 | none |
| Demetriou Steven J. | Executive Chair | Sep 2024 | Feb 10, 2026 | none |
| Burton Darren | Chief People Officer | Dec 2024 | Dec 9, 2025 | none |
Directorssales are open-market, Nov 10, 2025 to Nov 10, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Thompson Christopher M.T. | director | Sep 2024 | Sep 17, 2026 | none |
| Brooks Vincent K | director | Sep 2024 | Feb 10, 2026 | none |
| Eberhart Ralph E | director | Sep 2024 | Feb 10, 2026 | none |
| Ireland Susan Leslie | director | Sep 2024 | Feb 10, 2026 | none |
| Loughran Barbara | director | Sep 2024 | Feb 10, 2026 | none |
| Rowland Sandra E. | director | Sep 2024 | Feb 10, 2026 | none |
| Vollmer John C. | director | Sep 2024 | Feb 10, 2026 | none |
Earlier names on the record31, newest filing first
Amentum Joint Venture Gp LLC · director · last filing May 2025Amentum Joint Venture LP · director · last filing May 2025Goldberg Alan E · director · last filing May 2025Goldberg 2014 LLC · 10% owner · last filing May 2025Goldberg 2020 LLC · 10% owner · last filing May 2025Lg Amentum Holdings Gp LLC · 10% owner · last filing May 2025Lg Amentum Holdings LP · 10% owner · last filing May 2025Lg Co-Inv. A L.P. · 10% owner · last filing May 2025Lg Gp Holding IV LLC · 10% owner · last filing May 2025Lg Gp Holding V LLC · 10% owner · last filing May 2025Lindsay Goldberg Co-Inv. IV L.P. · 10% owner · last filing May 2025Lindsay Goldberg Employee Co-Inv. IV L.P. · 10% owner · last filing May 2025Lindsay Goldberg Gp IV LLC · 10% owner · last filing May 2025Lindsay Goldberg Gp V LLC · 10% owner · last filing May 2025Lindsay Goldberg IV - A L.P. · 10% owner · last filing May 2025Lindsay Goldberg IV - Pcf L.P. · 10% owner · last filing May 2025Lindsay Goldberg IV L.P. · 10% owner · last filing May 2025Lindsay Goldberg Maverick Co-Inv. L.P. · 10% owner · last filing May 2025Lindsay Goldberg V L.P. · 10% owner · last filing May 2025Jacobs Engineering Group Inc /de/ · 10% owner · last filing Mar 2025Jacobs Solutions Inc. · 10% owner · last filing Mar 2025American Securities LLC · 10% owner · last filing Dec 2024Asp Amentum Investco LP · 10% owner · last filing Dec 2024Young Stuart Ira · officer · last filing Nov 2024Dickson Benjamin Buhl · director · last filing Sep 2024Triedman J Russell · director · last filing Sep 2024Wentzell Connor · director · last filing Sep 2024Pragada Robert V · officer · last filing Sep 2024Berryman Kevin C · officer · last filing Sep 2024Hsu Chin Chang · officer · last filing Sep 2024Johnson Justin C · officer · last filing Sep 2024
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.