Amentum Holdings, Inc.
AMTM
18 insider filings · Latest: Aug 14, 2026
Common Stock Transactions
No transactions found.
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| May 6, 2026 | May 7 8:32 PM | John E. HellerDirector, Chief Executive Officer | Option Exercise | 18,145 | — | 18,146(D) | View → |
| May 6, 2026 | May 7 8:31 PM | Sean Thomas MullenChief Growth Officer | Option Exercise | 9,072 | — | 9,073(D) | View → |
| May 6, 2026 | May 7 8:31 PM | Travis Barton JohnsonChief Financial Officer | Option Exercise | 13,609 | — | 13,609(D) | View → |
| May 6, 2026 | May 7 8:30 PM | Jill L BruningChief Technology Officer | Option Exercise | 9,072 | — | 9,073(D) | View → |
| May 6, 2026 | May 7 8:29 PM | Stephen A ArnetteChief Operating Officer | Option Exercise | 13,609 | — | 13,609(D) | View → |
| Mar 2, 2026 | Mar 4 9:12 PM | Stephen A ArnetteChief Operating Officer | Option Exercise | 2,808 | — | 0(D) | View → |
| Feb 17, 2026 | Feb 18 10:30 PM | Mary Michele T St.Chief Legal Officer & GC | Option Exercise | 7,080 | — | 14,162(D) | View → |
| Feb 6, 2026 | Feb 10 9:11 PM | Sandra E. RowlandDirector | Option Exercise | 11,564 | — | 0(D) | View → |
| Feb 6, 2026 | Feb 10 9:10 PM | Vincent K BrooksDirector | Option Exercise | 11,564 | — | 0(D) | View → |
| Feb 6, 2026 | Feb 10 9:09 PM | Ralph E EberhartDirector | Option Exercise | 11,564 | — | 0(D) | View → |
| Feb 6, 2026 | Feb 10 9:05 PM | John C. VollmerDirector | Option Exercise | 11,564 | — | 0(D) | View → |
| Jan 28, 2026 | Jan 29 9:21 PM | John E. HellerDirector, Chief Executive Officer | Option Exercise | 51,979 | — | 103,959(D) | View → |