{"transactions":[{"id":1075178,"issuer":{"id":3481,"kind":"organization","name":"AMKOR TECHNOLOGY, INC.","symbol":"AMKR"},"owners":[{"id":76934,"kind":"organization","name":"2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023","position":1,"cik":"0001977033","reported_name":"2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Member of 10% owner group (3)"}}],"security":"Common Stock","published_at":"2025-08-05T23:18:02.000Z","date":"2025-08-01","kind":"gift","planned":false,"acquired":false,"shares":438002,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On August 1, 2025, the Reporting Person distributed 438,002 shares of the Common Stock of the Issuer  to John T. Kim. Susan Y. Kim is the sole trustee of the Reporting Person."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001977033-25-000007","document":"wk-form4_1754435880.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1047127/000197703325000007/wk-form4_1754435880.xml","form_type":"4"}},{"id":1075177,"issuer":{"id":3481,"kind":"organization","name":"AMKOR TECHNOLOGY, INC.","symbol":"AMKR"},"owners":[{"id":76934,"kind":"organization","name":"2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023","position":1,"cik":"0001977033","reported_name":"2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Member of 10% owner group (3)"}}],"security":"Common Stock","published_at":"2025-08-05T23:18:02.000Z","date":"2025-08-01","kind":"gift","planned":false,"acquired":false,"shares":438002,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On August 1, 2025, the Reporting Person distributed 438,002 shares of the Common Stock of Amkor Technology, Inc. (the \"Issuer\") to Susan Y. Kim. Susan Y. Kim is the sole trustee of the Reporting Person."}],"balance_after":438002,"source":{"system":"sec-edgar","filing":"0001977033-25-000007","document":"wk-form4_1754435880.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1047127/000197703325000007/wk-form4_1754435880.xml","form_type":"4"}},{"id":1077805,"issuer":{"id":3481,"kind":"organization","name":"AMKOR TECHNOLOGY, INC.","symbol":"AMKR"},"owners":[{"id":76934,"kind":"organization","name":"2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023","position":1,"cik":"0001977033","reported_name":"2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Member of 10% owner group (2)"}}],"security":"Common Stock","published_at":"2025-08-01T20:40:10.000Z","date":"2025-07-30","kind":"gift","planned":false,"acquired":false,"shares":2711000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On July 30, 2025 the Reporting Person distributed 2,711,000 shares of the Common Stock of Amkor Technology, Inc. to James J. Kim. Susan Y. Kim is the sole trustee of the Reporting Person."}],"balance_after":876004,"source":{"system":"sec-edgar","filing":"0001977033-25-000005","document":"wk-form4_1754080772.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1047127/000197703325000005/wk-form4_1754080772.xml","form_type":"4"}},{"id":1479581,"issuer":{"id":3481,"kind":"organization","name":"AMKOR TECHNOLOGY, INC.","symbol":"AMKR"},"owners":[{"id":76934,"kind":"organization","name":"2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023","position":1,"cik":"0001977033","reported_name":"2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Member of 10% owner group (2)"}}],"security":"Common Stock","published_at":"2024-06-14T21:27:56.000Z","date":"2024-06-12","kind":"gift","planned":false,"acquired":false,"shares":1530000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On June 12, 2024, the Reporting Person distributed 1,530,000 shares of the Common Stock of Amkor Technology, Inc. to James J. Kim. Susan Y. Kim is the sole trustee of the Reporting Person."}],"balance_after":3587004,"source":{"system":"sec-edgar","filing":"0001977033-24-000002","document":"wk-form4_1718400468.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1047127/000197703324000002/wk-form4_1718400468.xml","form_type":"4"}}]}