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This RSU Award also provides that if performance metrics are achieved prior to the 3rd anniversary of the Grant Date, the achieved portion of such RSU Award shall also be subject to time-based vesting such that 1/3 of such amount shall become vested on each of the first, second and third anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"(Continued from Footnote 5): The Issuer's Remuneration Committee of its Board certified the achievement of performance effective as of February 21, 2023, resulting in the vesting of 33,334 RSUs (first tranche) and the remaining 66,666 (two tranches) scheduled to vest on each of April 12, 2023 and April 12, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F1","text":"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share."}],"balance_after":66666,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":66666},"source":{"system":"sec-edgar","filing":"0000899243-23-006077","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/897448/000089924323006077/doc4.xml","form_type":"4"}},{"id":1997145,"issuer":{"id":5970,"kind":"organization","name":"AMARIN CORP PLC\\UK"},"owners":[{"id":116562,"kind":"person","name":"Mikhail Karim","position":1,"cik":"0001875266","reported_name":"Mikhail Karim","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2023-02-24T02:40:54.000Z","date":"2023-02-21","kind":"grant","acquired":true,"shares":800800,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F8","text":"Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"On February 21, 2023, the Reporting Person was granted 800,800 RSUs under the Plan. These RSUs vest in three equal installments on each of January 31, 2024, January 31, 2025 and January 31, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F1","text":"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share."}],"balance_after":800800,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":800800},"source":{"system":"sec-edgar","filing":"0000899243-23-006077","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/897448/000089924323006077/doc4.xml","form_type":"4"}},{"id":1997144,"issuer":{"id":5970,"kind":"organization","name":"AMARIN CORP PLC\\UK"},"owners":[{"id":116562,"kind":"person","name":"Mikhail Karim","position":1,"cik":"0001875266","reported_name":"Mikhail Karim","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-02-24T02:40:54.000Z","date":"2023-02-21","kind":"grant","acquired":true,"shares":1601500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"On February 21, 2023, the Reporting Person was granted an option to purchase 1,618,900 Ordinary Shares under the Plan.  The shares subject to this option shall vest and become exercisable over four years, with 25% to vest on the first anniversary of the grant date and the balance to vest ratably over the subsequent 12 calendar quarters on the last day of each April, July, October and January."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F1","text":"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share."}],"balance_after":1601500,"derivative":{"exercise_price":1.8,"expiration_date":"2033-02-21","underlying":"Ordinary Shares","underlying_shares":1601500},"source":{"system":"sec-edgar","filing":"0000899243-23-006077","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/897448/000089924323006077/doc4.xml","form_type":"4"}},{"id":1997143,"issuer":{"id":5970,"kind":"organization","name":"AMARIN CORP PLC\\UK"},"owners":[{"id":116562,"kind":"person","name":"Mikhail Karim","position":1,"cik":"0001875266","reported_name":"Mikhail Karim","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2023-02-24T02:40:54.000Z","date":"2023-01-31","kind":"exercise","acquired":false,"shares":207700,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F8","text":"Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On February 4, 2022, the Reporting Person was granted 623,100 Restricted Stock Units (\"RSUs\") under the Amarin Corporation plc 2020 Stock Incentive Plan (as amended, the \"Plan\"). These RSUs vest in three equal installments on each of January 31, 2023, January 31, 2024 and January 31, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F1","text":"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share."}],"balance_after":415400,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":207700},"source":{"system":"sec-edgar","filing":"0000899243-23-006077","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/897448/000089924323006077/doc4.xml","form_type":"4"}},{"id":1997142,"issuer":{"id":5970,"kind":"organization","name":"AMARIN CORP PLC\\UK"},"owners":[{"id":116562,"kind":"person","name":"Mikhail Karim","position":1,"cik":"0001875266","reported_name":"Mikhail Karim","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Ordinary Shares","published_at":"2023-02-24T02:40:54.000Z","date":"2023-02-21","kind":"tax_withholding","acquired":false,"shares":10001,"price":1.8,"value":18001.8,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Represents withholding by the Issuer of shares in respect of tax liability incident to the vesting of a security issued in accordance with Rule 16b-3, and not a market sale of securities."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Please see the section titled \"Remarks\" below for additional information."}],"balance_after":283507,"source":{"system":"sec-edgar","filing":"0000899243-23-006077","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/897448/000089924323006077/doc4.xml","form_type":"4"}},{"id":1997141,"issuer":{"id":5970,"kind":"organization","name":"AMARIN CORP PLC\\UK"},"owners":[{"id":116562,"kind":"person","name":"Mikhail Karim","position":1,"cik":"0001875266","reported_name":"Mikhail Karim","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Ordinary Shares","published_at":"2023-02-24T02:40:54.000Z","date":"2023-02-21","kind":"grant","acquired":true,"shares":33334,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share."},{"field":"kind","element":"transactionCoding","label":"F5","text":"On April 12, 2021 (the \"Grant Date\"), the Reporting Person was granted RSUs under the Plan, which only vest subject to the achievement of certain performance-based milestones disclosed in the Issuer's definitive proxy statement filed with the U.S. Securities and Exchange Commission on May 24, 2022 and subject to the Reporting Person's continued service with the Issuer as provided in the RSU Award Agreement between the Issuer and Reporting Person.  This RSU Award also provides that if performance metrics are achieved prior to the 3rd anniversary of the Grant Date, the achieved portion of such RSU Award shall also be subject to time-based vesting such that 1/3 of such amount shall become vested on each of the first, second and third anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer."},{"field":"kind","element":"transactionCoding","label":"F6","text":"(Continued from Footnote 5): The Issuer's Remuneration Committee of its Board certified the achievement of performance effective as of February 21, 2023, resulting in the vesting of 33,334 RSUs (first tranche) and the remaining 66,666 (two tranches) scheduled to vest on each of April 12, 2023 and April 12, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":293508,"source":{"system":"sec-edgar","filing":"0000899243-23-006077","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/897448/000089924323006077/doc4.xml","form_type":"4"}},{"id":1997140,"issuer":{"id":5970,"kind":"organization","name":"AMARIN CORP PLC\\UK"},"owners":[{"id":116562,"kind":"person","name":"Mikhail Karim","position":1,"cik":"0001875266","reported_name":"Mikhail Karim","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Ordinary Shares","published_at":"2023-02-24T02:40:54.000Z","date":"2023-01-31","kind":"tax_withholding","acquired":false,"shares":62310,"price":1.86,"value":115896.6,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Represents withholding by the Issuer of shares in respect of tax liability incident to the vesting of a security issued in accordance with Rule 16b-3, and not a market sale of securities."}],"balance_after":260174,"source":{"system":"sec-edgar","filing":"0000899243-23-006077","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/897448/000089924323006077/doc4.xml","form_type":"4"}},{"id":1997139,"issuer":{"id":5970,"kind":"organization","name":"AMARIN CORP PLC\\UK"},"owners":[{"id":116562,"kind":"person","name":"Mikhail Karim","position":1,"cik":"0001875266","reported_name":"Mikhail Karim","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Ordinary Shares","published_at":"2023-02-24T02:40:54.000Z","date":"2023-01-31","kind":"exercise","acquired":true,"shares":207700,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On February 4, 2022, the Reporting Person was granted 623,100 Restricted Stock Units (\"RSUs\") under the Amarin Corporation plc 2020 Stock Incentive Plan (as amended, the \"Plan\"). These RSUs vest in three equal installments on each of January 31, 2023, January 31, 2024 and January 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":322484,"source":{"system":"sec-edgar","filing":"0000899243-23-006077","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/897448/000089924323006077/doc4.xml","form_type":"4"}},{"id":2070222,"issuer":{"id":5970,"kind":"organization","name":"AMARIN CORP PLC\\UK"},"owners":[{"id":116562,"kind":"person","name":"Mikhail Karim","position":1,"cik":"0001875266","reported_name":"Mikhail Karim","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2023-01-05T01:26:44.000Z","date":"2022-12-30","kind":"exercise","acquired":false,"shares":11367,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F6","text":"Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On January 4, 2021, the Reporting Person was granted 34,100 Restricted Stock Units (\"RSUs\") under the Amarin Corporation plc 2020 Stock Incentive Plan (the \"2020 Plan\"). 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These RSUs vest in three equal installments on each of July 1, 2021, July 1, 2022 and July 1, 2023. 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