InsiderTrades

Form 4 for AMTM Amentum Holdings, Inc.

Accepted 2025-11-10 00:00:00 ET · period of report 2025-11-06 · accession 0001628280-25-051118 · 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 2025-11-10 2025-11-06 AMTM Johnson Travis Barton CFO F - Tax $21.79 -3,642 8,455 -30% -$79.4K
D 2025-11-10 2025-11-06 AMTM Johnson Travis Barton CFO M - OptEx — +12.1K 12.1K New —
D 2025-11-10 2025-11-06 AMTM Johnson Travis Barton CFO M - OptEx $0.00 -12.1K 24.2K -33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-11-06 F D 3,642 $21.79 8,455 D — — (F2) Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units.
2 Common Common Stock 2025-11-06 M A 12,097 — 12,097 D — — (F1) Represents distribution of AMTM common stock upon vesting of restricted stock units.
3 Derivative Restricted Stock Units 2025-11-06 M D 12,097 $0.00 24,194 D — · — to — 12,097 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 November 6, 2025.