InsiderTrades

Form 4 for AMKR AMKOR TECHNOLOGY, INC.

Accepted 2025-12-30 00:00:00 ET · period of report 2025-12-26 · accession 0001994714-25-000007 · 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
2025-12-30 2025-12-26 AMKR 2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023 Member of 10% owner group (2) G - Gift $0.00 -725.0K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-12-26 G D 725,000 $0.00 0 D — — (F1) On December 26, 2025, the Reporting Person distributed 725,000 shares of common stock of Amkor, Inc. (the "Issuer") to the Susan Y. Kim 2023 Family Distribution Trust. John T. Kim and James J. Kim are co-trustees of the Susan Y. Kim 2023 Family Distribution Trust.