InsiderTrades

Form 4 for AMKR AMKOR TECHNOLOGY, INC.

Accepted 2025-11-24 00:00:00 ET · period of report 2025-11-20 · accession 0002034102-25-000004 · 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
2025-11-24 2025-11-20 AMKR 2024 Grantor Retained Annuity Trust of Susan Y. Kim dtd. 8/5/2024 Member of 10% owner group (2) G - Gift $0.00 -876.0K 1.12M -44% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-11-20 G D 876,000 $0.00 1,124,000 D — — (F1) On November 20, 2025, the Reporting Person distributed 876,000 shares of the Common Stock of Amkor Technology, Inc. to Susan Y. Kim. Susan Y. Kim is the sole trustee of the Reporting Person. Because Susan. Y. Kim is the annuitant and sole trustee of the Reporting Person, the distribution was a mere change in the form of ownership from indirect to direct and thus being voluntarily reported by the Reporting Person on this Form 4.