Form 4 for AMTM Amentum Holdings, Inc.
Accepted 2026-09-17 21:35:55 ET · period of report 2026-08-14 · accession 0001483410-26-000005 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| I | 2026-09-17 21:35 | 2026-08-14 | AMTM | Thompson Christopher M.T. | Dir | G - Gift | $0.00 | -4,250 | 5,750 | -42% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-14 | G | D | 4,250 | $0.00 | 5,750 | I By Trust | — | — | (F1) Mr. Thompson's filing was late due to an administrative oversight. (F2) On August 14, 2026, the reporting person transferred an LLC interest representing 4,250 shares of AMTM common stock to an immediate family for no consideration. |