Thompson Christopher M.T. (CIK 1483410) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-17). Recent activity: Sell AMTM (4,250 shares), Buy AMTM (5,062 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-17 | Amentum Holdings, Inc. (AMTM) | Director | Sell | 4,250 | $0 |
| 2026-02-10 | Amentum Holdings, Inc. (AMTM) | Director | Buy | 5,062 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-17