InsiderTrades

Form 4 for AMKR AMKOR TECHNOLOGY, INC.

Accepted 2026-04-09 17:04:39 ET · period of report 2026-04-07 · accession 0001628280-26-024522 · 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 2026-04-09 17:04 2026-04-07 AMKR KIM SUSAN Y Dir, 10%, Member of 10% owner group (5) M - OptEx $5.66 +20.0K 6.11M +0.3% +$113.2K
D 2026-04-09 17:04 2026-04-07 AMKR KIM SUSAN Y Dir, 10%, Member of 10% owner group (5) M - OptEx $0.00 -20.0K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-04-07 M A 20,000 $5.66 6,110,494 D — —
2 Derivative Director stock option (right to buy) 2026-04-07 M D 20,000 $0.00 0 D $5.66 · 2017-05-02 to 2026-05-04 20,000 Common Stock (F4) This stock option to acquire 20,000 shares of the Issuer's Common Stock was granted on May 4, 2016 and vested in full on May 2, 2017.