InsiderTrades

Form 4 for AMKR AMKOR TECHNOLOGY, INC.

Accepted 2025-12-08 00:00:00 ET · period of report 2025-12-04 · accession 0001994714-25-000005 · 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
2025-12-08 2025-12-04 AMKR 2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023 Member of 10% owner group (2) G - Gift $0.00 -758.0K 725.0K -51% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-12-04 G D 758,000 $0.00 725,000 D — — (F1) On December 4, 2025, the Reporting Person distributed 758,000 shares of the Common Stock of Amkor Technology, Inc. (the "Issuer") to Susan Y. Kim as a gift.