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The RSUs convert into shares of the Issuer's common stock on a one-to-one basis and vest in four equal annual installments beginning on the first anniversary of the RSU Grant Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On February 24, 2022 (the \"RSU Grant Date\"), the Reporting Person was granted 3,761 time-vested restricted stock units (\"RSUs\") pursuant to the Issuer's 2021 Equity Incentive Plan and the related award agreement. The RSUs convert into shares of the Issuer's common stock on a one-to-one basis and vest in four equal annual installments beginning on the first anniversary of the RSU Grant Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On February 24, 2022 (the \"RSU Grant Date\"), the Reporting Person was granted 3,761 time-vested restricted stock units (\"RSUs\") pursuant to the Issuer's 2021 Equity Incentive Plan and the related award agreement. The RSUs convert into shares of the Issuer's common stock on a one-to-one basis and vest in four equal annual installments beginning on the first anniversary of the RSU Grant Date."}],"balance_after":2820,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":941},"source":{"system":"sec-edgar","filing":"0001209191-23-012979","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1047127/000120919123012979/doc4.xml","form_type":"4"}},{"id":1993945,"issuer":{"id":3481,"kind":"organization","name":"AMKOR TECHNOLOGY, INC.","symbol":"AMKR"},"owners":[{"id":112750,"kind":"person","name":"Shin Sung","position":1,"cik":"0001851258","reported_name":"Shin Sung","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2023-02-25T01:06:27.000Z","date":"2023-02-24","kind":"exercise","acquired":true,"shares":941,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On February 24, 2022 (the \"RSU Grant Date\"), the Reporting Person was granted 3,761 time-vested restricted stock units (\"RSUs\") pursuant to the Issuer's 2021 Equity Incentive Plan and the related award agreement. The RSUs convert into shares of the Issuer's common stock on a one-to-one basis and vest in four equal annual installments beginning on the first anniversary of the RSU Grant Date."}],"balance_after":20418,"source":{"system":"sec-edgar","filing":"0001209191-23-012979","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1047127/000120919123012979/doc4.xml","form_type":"4"}},{"id":1993944,"issuer":{"id":3481,"kind":"organization","name":"AMKOR TECHNOLOGY, INC.","symbol":"AMKR"},"owners":[{"id":112750,"kind":"person","name":"Shin Sung","position":1,"cik":"0001851258","reported_name":"Shin Sung","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2023-02-25T01:06:27.000Z","date":"2023-02-22","kind":"grant","acquired":true,"shares":17843,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports the vesting on February 22, 2023 of 17,843 shares of common stock of Amkor Technology, Inc. (the \"Issuer\") underlying performance-vested restricted stock units (\"PSUs\") granted to the Reporting Person on February 11, 2021 pursuant to the Issuer's Second Amended and Restated 2007 Equity Incentive Plan, as amended, and the related award agreement. The PSUs vested based on the attainment of a basic cumulative earnings per share performance goal over a two-year performance period beginning January 1, 2021 and ending on December 31, 2022."}],"balance_after":19477,"source":{"system":"sec-edgar","filing":"0001209191-23-012979","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1047127/000120919123012979/doc4.xml","form_type":"4"}},{"id":2004351,"issuer":{"id":3481,"kind":"organization","name":"AMKOR TECHNOLOGY, INC.","symbol":"AMKR"},"owners":[{"id":112750,"kind":"person","name":"Shin Sung","position":1,"cik":"0001851258","reported_name":"Shin Sung","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Restricted Stock Units","published_at":"2023-02-21T22:32:35.000Z","date":"2023-02-16","kind":"grant","acquired":true,"shares":3247,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Represents shares of the Issuer's common stock underlying time-vested restricted stock units granted on February 16, 2023 (the \"2023 Grant Date\") pursuant to the Issuer's 2021 Equity Incentive Plan (the \"2023 RSUs\"). The 2023 RSUs were awarded for no consideration other than the Reporting Person's service as an officer of the Issuer and will vest in four equal annual installments beginning on the first anniversary of the 2023 Grant Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Represents shares of the Issuer's common stock underlying time-vested restricted stock units granted on February 16, 2023 (the \"2023 Grant Date\") pursuant to the Issuer's 2021 Equity Incentive Plan (the \"2023 RSUs\"). The 2023 RSUs were awarded for no consideration other than the Reporting Person's service as an officer of the Issuer and will vest in four equal annual installments beginning on the first anniversary of the 2023 Grant Date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Represents shares of the Issuer's common stock underlying time-vested restricted stock units granted on February 16, 2023 (the \"2023 Grant Date\") pursuant to the Issuer's 2021 Equity Incentive Plan (the \"2023 RSUs\"). The 2023 RSUs were awarded for no consideration other than the Reporting Person's service as an officer of the Issuer and will vest in four equal annual installments beginning on the first anniversary of the 2023 Grant Date."}],"balance_after":3247,"derivative":{"underlying":"Common Stock","underlying_shares":3247},"source":{"system":"sec-edgar","filing":"0001209191-23-011317","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1047127/000120919123011317/doc4.xml","form_type":"4"}},{"id":2372739,"issuer":{"id":3481,"kind":"organization","name":"AMKOR TECHNOLOGY, INC.","symbol":"AMKR"},"owners":[{"id":112750,"kind":"person","name":"Shin Sung","position":1,"cik":"0001851258","reported_name":"Shin Sung","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2022-02-25T22:43:28.000Z","date":"2022-02-24","kind":"grant","acquired":true,"shares":3761,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Amkor Technology, Inc. (the \"Issuer\") common stock underlying time-vested restricted stock units granted on February 24, 2022 (the \"Grant Date\") pursuant to the Issuer's Equity Incentive Plan (the \"RSUs\"). The RSUs were awarded for no consideration other than the Reporting Person's service as an officer of the Issuer and will vest in four equal annual installments beginning on the first anniversary of the Grant Date."}],"balance_after":7029,"source":{"system":"sec-edgar","filing":"0001209191-22-013279","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1047127/000120919122013279/doc4.xml","form_type":"4"}}]}