Mullen Sean Thomas (CIK 2034388) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-07). Recent activity: Buy AMTM (9,072 shares), Sell AMTM (2,762 shares), Buy AMTM (9,298 shares), Sell AMTM (4,194 shares), Buy AMTM (17,817 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-07 | Amentum Holdings, Inc. (AMTM) | Chief Growth Officer | Buy | 9,072 | $0 |
| 2026-05-07 | Amentum Holdings, Inc. (AMTM) | Chief Growth Officer | Sell | 2,762 | $68,746 |
| 2025-12-19 | Amentum Holdings, Inc. (AMTM) | Chief Growth Officer | Buy | 9,298 | $0 |
| 2025-12-19 | Amentum Holdings, Inc. (AMTM) | Chief Growth Officer | Sell | 4,194 | $120,242 |
| 2025-11-19 | Amentum Holdings, Inc. (AMTM) | Chief Growth Officer | Buy | 17,817 | $0 |
| 2025-11-10 | Amentum Holdings, Inc. (AMTM) | Chief Growth Officer | Buy | 4,838 | $0 |
| 2025-11-10 | Amentum Holdings, Inc. (AMTM) | Chief Growth Officer | Sell | 1,621 | $35,322 |
Source: SEC Form 4 filings · as of 2026-05-07