Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- 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>>
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-02-06 Option Award | 2026-02-10 4:11 pm | N/A N/A | Amentum Holdings Inc. | AMTM | IRELAND SUSAN LESLIE Director | 5,062 | $0 | 8,509 (Direct) | View |
| 2026-02-06 Option Award | 2026-02-10 4:11 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Rowland Sandra E. Director | 5,062 | $0 | 20,073 (Direct) | View |
| 2026-02-06 Exercise | 2026-02-10 4:11 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Rowland Sandra E. Director | 11,564 | $0 | 20,073 (Direct) | View |
| 2026-02-06 Option Award | 2026-02-10 4:10 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Brooks Vincent K Director | 5,062 | $0 | 27,462 (Direct) | View |
| 2026-02-06 Exercise | 2026-02-10 4:10 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Brooks Vincent K Director | 11,564 | $0 | 27,462 (Direct) | View |
| 2026-02-06 Option Award | 2026-02-10 4:09 pm | N/A N/A | Amentum Holdings Inc. | AMTM | EBERHART RALPH E Director | 5,062 | $0 | 48,120 (Direct) | View |
| 2026-02-06 Exercise | 2026-02-10 4:09 pm | N/A N/A | Amentum Holdings Inc. | AMTM | EBERHART RALPH E Director | 11,564 | $0 | 48,120 (Direct) | View |
| 2026-02-06 Option Award | 2026-02-10 4:08 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Loughran Barbara Director | 5,062 | $0 | 9,662 (Direct) | View |
| 2026-02-06 Option Award | 2026-02-10 4:07 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Thompson Christopher M.T. Director | 5,062 | $0 | 29,062 (Direct) | View |
| 2026-02-06 Option Award | 2026-02-10 4:05 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Vollmer John C. Director | 5,062 | $0 | 429,842 (Direct) | View |
| 2026-02-06 Exercise | 2026-02-10 4:05 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Vollmer John C. Director | 11,564 | $0 | 429,842 (Direct) | View |
| 2026-01-28 Exercise | 2026-01-29 4:21 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Heller John E. Chief Executive Officer | 51,979 | $0 | 470,017 (Direct) | View |
| 2026-01-28 Tax Withholding | 2026-01-29 4:21 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Heller John E. Chief Executive Officer | 19,768 | $35.71 | 470,017 (Direct) | View |
| 2025-12-17 Exercise | 2025-12-19 4:19 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Mullen Sean Thomas Chief Growth Officer | 9,298 | $0 | 26,138 (Direct) | View |
| 2025-12-17 Tax Withholding | 2025-12-19 4:19 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Mullen Sean Thomas Chief Growth Officer | 4,194 | $28.67 | 26,138 (Direct) | View |
| 2025-12-05 Exercise | 2025-12-09 4:28 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Burton Darren Chief People Officer | 2,721 | $0 | 29,044 (Direct) | View |
| 2025-12-05 Tax Withholding | 2025-12-09 4:28 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Burton Darren Chief People Officer | 1,392 | $28.88 | 29,044 (Direct) | View |
| 2025-11-17 Option Award | 2025-11-19 5:53 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Mullen Sean Thomas Chief Growth Officer | 17,817 | $0 | 21,034 (Direct) | View |
| 2025-11-17 Option Award | 2025-11-19 5:52 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Heller John E. Chief Executive Officer | 155,897 | $0 | 269,440 (Direct) | View |
| 2025-11-17 Option Award | 2025-11-19 5:49 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Bruning Jill L Chief Technology Officer | 17,817 | $0 | 21,198 (Direct) | View |
| 2025-11-17 Option Award | 2025-11-19 5:47 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Burton Darren Chief People Officer | 22,271 | $0 | 22,271 (Direct) | View |
| 2025-11-17 Option Award | 2025-11-19 5:45 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Johnson Travis Barton Chief Financial Officer | 100,220 | $0 | 108,675 (Direct) | View |
| 2025-11-17 Option Award | 2025-11-19 5:40 pm | N/A N/A | Amentum Holdings Inc. | AMTM | St. Mary Michele T Chief Legal Officer & GC | 22,271 | $0 | 22,271 (Direct) | View |
| 2025-11-17 Option Award | 2025-11-19 5:36 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Arnette Stephen A Chief Operating Officer | 46,769 | $0 | 93,725 (Direct) | View |
| 2025-11-17 Exercise | 2025-11-19 5:36 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Arnette Stephen A Chief Operating Officer | 1,178 | $0 | 93,725 (Direct) | View |
| 2025-11-17 Tax Withholding | 2025-11-19 5:36 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Arnette Stephen A Chief Operating Officer | 287 | $21.49 | 93,725 (Direct) | View |
| 2025-11-17 Option Award | 2025-11-19 5:25 pm | N/A N/A | Amentum Holdings Inc. | AMTM | DEMETRIOU STEVEN J. Executive Chair | 111,355 | $0 | 844,026 (Direct) | View |
| 2025-11-17 Exercise | 2025-11-19 5:25 pm | N/A N/A | Amentum Holdings Inc. | AMTM | DEMETRIOU STEVEN J. Executive Chair | 43,396 | $0 | 844,026 (Direct) | View |
| 2025-11-17 Tax Withholding | 2025-11-19 5:25 pm | N/A N/A | Amentum Holdings Inc. | AMTM | DEMETRIOU STEVEN J. Executive Chair | 17,077 | $21.49 | 844,026 (Direct) | View |
| 2025-11-15 Exercise | 2025-11-18 4:57 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Arnette Stephen A Chief Operating Officer | 19,088 | $0 | 62,633 (Direct) | View |
| 2025-11-15 Tax Withholding | 2025-11-18 4:57 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Arnette Stephen A Chief Operating Officer | 4,651 | $22.07 | 62,633 (Direct) | View |
| 2025-11-06 Exercise | 2025-11-10 4:46 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Johnson Travis Barton Chief Financial Officer | 12,097 | $0 | 32,649 (Direct) | View |
| 2025-11-06 Tax Withholding | 2025-11-10 4:46 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Johnson Travis Barton Chief Financial Officer | 3,642 | $21.79 | 32,649 (Direct) | View |
| 2025-11-06 Exercise | 2025-11-10 4:46 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Bruning Jill L Chief Technology Officer | 4,838 | $0 | 13,059 (Direct) | View |
| 2025-11-06 Tax Withholding | 2025-11-10 4:46 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Bruning Jill L Chief Technology Officer | 1,457 | $21.79 | 13,059 (Direct) | View |
| 2025-11-06 Exercise | 2025-11-10 4:45 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Heller John E. Chief Executive Officer | 39,617 | $0 | 192,779 (Direct) | View |
| 2025-11-06 Tax Withholding | 2025-11-10 4:45 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Heller John E. Chief Executive Officer | 17,868 | $21.79 | 192,779 (Direct) | View |
| 2025-11-06 Exercise | 2025-11-10 4:44 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Mullen Sean Thomas Chief Growth Officer | 4,838 | $0 | 12,895 (Direct) | View |
| 2025-11-06 Tax Withholding | 2025-11-10 4:44 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Mullen Sean Thomas Chief Growth Officer | 1,621 | $21.79 | 12,895 (Direct) | View |
| 2025-11-06 Exercise | 2025-11-10 4:44 pm | N/A N/A | Amentum Holdings Inc. | AMTM | DEMETRIOU STEVEN J. Executive Chair | 90,727 | $0 | 706,352 (Direct) | View |
| 2025-11-06 Tax Withholding | 2025-11-10 4:44 pm | N/A N/A | Amentum Holdings Inc. | AMTM | DEMETRIOU STEVEN J. Executive Chair | 28,818 | $21.79 | 706,352 (Direct) | View |
| 2025-11-06 Exercise | 2025-11-10 4:42 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Arnette Stephen A Chief Operating Officer | 12,701 | $0 | 57,032 (Direct) | View |
| 2025-11-06 Tax Withholding | 2025-11-10 4:42 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Arnette Stephen A Chief Operating Officer | 3,093 | $21.79 | 57,032 (Direct) | View |
| 2025-05-08 Other | 2025-05-12 4:30 pm | N/A N/A | Amentum Holdings Inc. | AMTM | 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 | 1,132,839 | $0 | 46,159,582 (Indirect) | View |
| 2025-05-08 Other | 2025-05-12 4:30 pm | N/A N/A | Amentum Holdings Inc. | AMTM | GOLDBERG ALAN E Director 10% Owner | 1,132,839 | $0 | 46,159,582 (Indirect) | View |
| 2025-05-08 Other | 2025-05-12 4:30 pm | N/A N/A | Amentum Holdings Inc. | AMTM | 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 | 1,132,839 | $0 | 46,159,582 (Indirect) | View |
| 2025-05-08 Other | 2025-05-12 09:07 am | N/A N/A | Amentum Holdings Inc. | AMTM | Amentum Joint Venture GP LLC Amentum Joint Venture LP Director | 2,433,022 | $0 | 2,433,022 (Indirect) | View |
| 2025-04-08 Option Award | 2025-04-10 4:41 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Vollmer John C. Director | 11,564 | $0 | 11,564 (Direct) | View |
| 2025-04-08 Option Award | 2025-04-10 4:40 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Brooks Vincent K Director | 11,564 | $0 | 11,564 (Direct) | View |
| 2025-04-08 Option Award | 2025-04-10 4:40 pm | N/A N/A | Amentum Holdings Inc. | AMTM | EBERHART RALPH E Director | 11,564 | $0 | 11,564 (Direct) | View |
| 2025-04-08 Option Award | 2025-04-10 4:40 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Loughran Barbara Director | 11,564 | $0 | 11,564 (Direct) | View |
| 2025-04-08 Option Award | 2025-04-10 4:40 pm | N/A N/A | Amentum Holdings Inc. | AMTM | IRELAND SUSAN LESLIE Director | 11,564 | $0 | 11,564 (Direct) | View |
| 2025-04-08 Option Award | 2025-04-10 4:40 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Rowland Sandra E. Director | 11,564 | $0 | 11,564 (Direct) | View |
| 2025-04-08 Option Award | 2025-04-10 4:40 pm | N/A N/A | Amentum Holdings Inc. | AMTM | Thompson Christopher M.T. Director | 11,564 | $0 | 11,564 (Direct) | View |