Heller John E. (CIK 1552715) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-07). Recent activity: Buy AMTM (18,145 shares), Sell AMTM (8,184 shares), Buy AMTM (51,979 shares), Sell AMTM (19,768 shares), Buy AMTM (155,897 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-07 | Amentum Holdings, Inc. (AMTM) | Chief Executive Officer | Buy | 18,145 | $0 |
| 2026-05-07 | Amentum Holdings, Inc. (AMTM) | Chief Executive Officer | Sell | 8,184 | $203,700 |
| 2026-01-29 | Amentum Holdings, Inc. (AMTM) | Chief Executive Officer | Buy | 51,979 | $0 |
| 2026-01-29 | Amentum Holdings, Inc. (AMTM) | Chief Executive Officer | Sell | 19,768 | $705,915 |
| 2025-11-19 | Amentum Holdings, Inc. (AMTM) | Chief Executive Officer | Buy | 155,897 | $0 |
| 2025-11-10 | Amentum Holdings, Inc. (AMTM) | Chief Executive Officer | Buy | 39,617 | $0 |
| 2025-11-10 | Amentum Holdings, Inc. (AMTM) | Chief Executive Officer | Sell | 17,868 | $389,344 |
| 2025-01-30 | Amentum Holdings, Inc. (AMTM) | Chief Executive Officer | Buy | 91,794 | $0 |
Source: SEC Form 4 filings · as of 2026-05-07