List of insiders holdings for Amentum Holdings Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Lindsay Goldberg Employee Co-Inv. IV L.P. LG Co-Inv. A L.P. Lindsay Goldberg V L.P. Lindsay Goldberg Maverick Co-Inv. L.P. LG Amentum Holdings GP LLC LG Amentum Holdings LP 10% Owner | 2025-05-12 16:30:19 | 0 46,159,582 | 46,159,582 | Form 4 |
| 2 | GOLDBERG ALAN E Director 10% Owner | 2025-05-12 16:30:16 | 0 46,159,582 | 46,159,582 | Form 4 |
| 3 | Goldberg 2014 LLC Goldberg 2020 LLC LG GP Holding IV LLC LG GP Holding V LLC Lindsay Goldberg GP IV LLC Lindsay Goldberg GP V LLC Lindsay Goldberg IV L.P. Lindsay Goldberg IV - A L.P. Lindsay Goldberg IV - PCF L.P. Lindsay Goldberg Co-Inv. IV L.P. 10% Owner | 2025-05-12 16:30:14 | 0 46,159,582 | 46,159,582 | Form 4 |
| 4 | ASP Amentum Investco LP ASP Manager Corp. AMERICAN SECURITIES LLC 10% Owner | 2024-12-30 17:34:26 | 43,893,904 0 | 43,893,904 | Form 3/A |
| 5 | JACOBS SOLUTIONS INC. JACOBS ENGINEERING GROUP INC 10% Owner | 2025-03-17 20:25:30 | 0 19,464,174 | 19,464,174 | Form 4 |
| 6 | Amentum Joint Venture GP LLC Amentum Joint Venture LP Director | 2025-05-12 09:07:42 | 0 2,433,022 | 2,433,022 | Form 4 |
| 7 | DEMETRIOU STEVEN J. Executive Chair | 2026-02-10 16:09:03 | 837,668 23,550 | 861,218 | Form 4/A |
| 8 | Vollmer John C. Director | 2026-02-10 16:05:59 | 429,842 0 | 429,842 | Form 4 |
| 9 | Heller John E. Chief Executive Officer | 2026-05-07 16:32:28 | 394,165 0 | 394,165 | Form 4 |
| 10 | Bruning Jill L Chief Technology Officer | 2026-05-07 16:30:21 | 206,530 0 | 206,530 | Form 4 |
| 11 | Johnson Travis Barton Chief Financial Officer | 2026-05-07 16:31:16 | 131,796 0 | 131,796 | Form 4 |
| 12 | Arnette Stephen A Chief Operating Officer | 2026-05-07 16:29:07 | 120,261 0 | 120,261 | Form 4 |
| 13 | EBERHART RALPH E Director | 2026-02-10 16:09:36 | 48,120 0 | 48,120 | Form 4 |
| 14 | Mullen Sean Thomas Chief Growth Officer | 2026-05-07 16:31:49 | 41,521 0 | 41,521 | Form 4 |
| 15 | St. Mary Michele T Chief Legal Officer & GC | 2026-02-18 17:30:14 | 41,205 0 | 41,205 | Form 4 |
| 16 | Burton Darren Chief People Officer | 2025-12-09 16:28:42 | 29,044 0 | 29,044 | Form 4 |
| 17 | Brooks Vincent K Director | 2026-02-10 16:10:34 | 27,462 0 | 27,462 | Form 4 |
| 18 | Thompson Christopher M.T. Director | 2026-09-17 21:35:55 | 5,062 19,750 | 24,812 | Form 4 |
| 19 | Rowland Sandra E. Director | 2026-02-10 16:11:22 | 20,073 0 | 20,073 | Form 4 |
| 20 | Loughran Barbara Director | 2026-02-10 16:08:04 | 9,662 0 | 9,662 | Form 4 |
| 21 | IRELAND SUSAN LESLIE Director | 2026-02-10 16:11:56 | 8,509 0 | 8,509 | Form 4 |
| 22 | Young Stuart Ira Chief Legal Officer | 2024-11-08 16:16:49 | 3,629 0 | 3,629 | Form 4 |
| 23 | Triedman J Russell Director | 2024-09-27 16:57:41 | 0 0 | 0 | Form 3 |
| 24 | Wentzell Connor Director | 2024-09-27 14:54:38 | 0 0 | 0 | Form 3 |
| 25 | Dickson Benjamin Buhl Director | 2024-09-27 14:50:55 | 0 0 | 0 | Form 3 |
| 26 | PRAGADA ROBERT V Chief Executive Officer | 2024-09-18 16:53:23 | 0 0 | 0 | Form 3 |
| 27 | Berryman Kevin C Chief Financial Officer | 2024-09-18 16:49:50 | 0 0 | 0 | Form 3 |
| 28 | Johnson Justin C Secretary | 2024-09-18 16:49:31 | 0 0 | 0 | Form 3 |
| 29 | Hsu Chin Chang Treasurer | 2024-09-18 16:48:31 | 0 0 | 0 | Form 3 |