InsiderTrades

Form 4 for AMPH Amphastar Pharmaceuticals, Inc.

Accepted 2026-03-10 00:00:00 ET · period of report 2026-03-06 · accession 0001743927-26-000006 · 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
2026-03-10 2026-03-06 AMPH Liawatidewi Yakob EVP CORP ADMIN CENTER, Dir F - Tax $19.34 -1,144 89.3K -1% -$22.1K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-06 F D 1,144 $19.34 89,345 D — — (F1) The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.