Form 4 for AMTM Amentum Holdings, Inc.
Accepted 2026-02-10 00:00:00 ET · period of report 2026-02-06 · accession 0001628280-26-006820 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-02-10 | 2026-02-06 | AMTM | Vollmer John C. | Dir | A - Grant | $0.00 | +5,062 | 429.8K | +1% | $0 |
| D | 2026-02-10 | 2026-02-06 | AMTM | Vollmer John C. | Dir | M - OptEx | — | +11.6K | 424.8K | +3% | — |
| D | 2026-02-10 | 2026-02-06 | AMTM | Vollmer John C. | Dir | M - OptEx | $0.00 | -11.6K | 0 | -100% | $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 | 2026-02-06 | A | A | 5,062 | $0.00 | 429,842 | D | — | — | (F3) The restricted stock units shall vest on the date of the next annual meeting of stockholders of the Issuer. |
| 2 | Common | Common Stock | 2026-02-06 | M | A | 11,564 | — | 424,780 | D | — | — | (F1) Represents distribution of AMTM common stock upon vesting of restricted stock units. (F2) Reflects a non-reportable transaction for shares transferred from the pro-rata distribution in-kind by Amentum Joint Venture LP to its partners for no consideration at the time of the transaction. |
| 3 | Derivative | Restricted Stock Units | 2026-02-06 | M | D | 11,564 | $0.00 | 0 | D | — · — to — | 11,564 Common Stock | (F4) Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. (F5) The restricted stock units awarded vested on February 6, 2026. |