InsiderTrades

Form 4 for AMTM Amentum Holdings, Inc.

Accepted 2026-02-10 00:00:00 ET · period of report 2026-02-06 · accession 0001628280-26-006837 · 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 Rowland Sandra E. Dir M - OptEx — +11.6K 15.0K +335% —
D 2026-02-10 2026-02-06 AMTM Rowland Sandra E. Dir A - Grant $0.00 +5,062 20.1K +34% $0
D 2026-02-10 2026-02-06 AMTM Rowland Sandra E. Dir M - OptEx $0.00 -11.6K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-06 M A 11,564 — 15,011 D — — (F1) Represents distribution of AMTM common stock upon vesting of restricted stock units.
2 Common Common Stock 2026-02-06 A A 5,062 $0.00 20,073 D — — (F2) The restricted stock units shall vest on the date of the next annual meeting of stockholders of the Issuer.
3 Derivative Restricted Stock Units 2026-02-06 M D 11,564 $0.00 0 D — · — to — 11,564 Common Stock (F3) Each restricted stock unit represents a contingent right to receive one share of AMTM common stock. (F4) The restricted stock units awarded vested on February 6, 2026.