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The exercise price (if any) of the adjusted award is shown in Boxes 2 and 8, the number of shares subject to the adjusted award is shown in Box 9 and the number of shares added to the award pursuant to the adjustment is shown in Box 5."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each restricted stock unit represents a contingent right to receive one ordinary share."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each restricted stock unit represents a contingent right to receive one ordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"Shares subject to the restricted stock unit award vest in four equal annual installments commencing on 8/3/2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F12","text":"Shares subject to the restricted stock unit award vest in four equal annual installments commencing on 8/3/2023."}],"balance_after":6043,"derivative":{"underlying":"Ordinary Shares","underlying_shares":118},"source":{"system":"sec-edgar","filing":"0001127602-24-004629","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1520262/000112760224004629/form4.xml","form_type":"4"}},{"id":1648806,"issuer":{"id":2392,"kind":"organization","name":"Alkermes plc.","symbol":"ALKS"},"owners":[{"id":2393,"kind":"person","name":"Gaffin David Joseph","position":1,"cik":"0001675905","reported_name":"Gaffin David Joseph","relationship":{"officer":true,"officer_title":"EVP, CLO, Alkermes, Inc."}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-02-13T02:56:27.000Z","date":"2023-11-17","kind":"other","planned":false,"acquired":true,"shares":576,"price":24.82,"value":14296.32,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents an equity award granted prior to the separation of the issuer's oncology business into Mural Oncology plc (the \"Separation\"), as adjusted on November 17, 2023 in connection with the Separation (in order to preserve the value associated with the original award) based on the equity adjustment terms set forth in the Employee Matters Agreement filed by the issuer as Exhibit 10.2 to its Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on November 15, 2023. The exercise price (if any) of the adjusted award is shown in Boxes 2 and 8, the number of shares subject to the adjusted award is shown in Box 9 and the number of shares added to the award pursuant to the adjustment is shown in Box 5."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"Shares underlying the stock option vest and become exercisable in four equal annual installments commencing on 8/3/2023."}],"balance_after":29388,"derivative":{"exercise_price":24.82,"expiration_date":"2032-08-03","underlying":"Ordinary Shares","underlying_shares":576},"source":{"system":"sec-edgar","filing":"0001127602-24-004629","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1520262/000112760224004629/form4.xml","form_type":"4"}},{"id":1648805,"issuer":{"id":2392,"kind":"organization","name":"Alkermes plc.","symbol":"ALKS"},"owners":[{"id":2393,"kind":"person","name":"Gaffin David Joseph","position":1,"cik":"0001675905","reported_name":"Gaffin David Joseph","relationship":{"officer":true,"officer_title":"EVP, CLO, Alkermes, Inc."}}],"security":"Restricted Stock Unit Award","published_at":"2024-02-13T02:56:27.000Z","date":"2023-11-17","kind":"other","planned":false,"acquired":true,"shares":373,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents an equity award granted prior to the separation of the issuer's oncology business into Mural Oncology plc (the \"Separation\"), as adjusted on November 17, 2023 in connection with the Separation (in order to preserve the value associated with the original award) based on the equity adjustment terms set forth in the Employee Matters Agreement filed by the issuer as Exhibit 10.2 to its Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on November 15, 2023. The exercise price (if any) of the adjusted award is shown in Boxes 2 and 8, the number of shares subject to the adjusted award is shown in Box 9 and the number of shares added to the award pursuant to the adjustment is shown in Box 5."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each restricted stock unit represents a contingent right to receive one ordinary share."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each restricted stock unit represents a contingent right to receive one ordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/18/2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/18/2023."}],"balance_after":19064,"derivative":{"underlying":"Ordinary Shares","underlying_shares":373},"source":{"system":"sec-edgar","filing":"0001127602-24-004629","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1520262/000112760224004629/form4.xml","form_type":"4"}},{"id":1648804,"issuer":{"id":2392,"kind":"organization","name":"Alkermes plc.","symbol":"ALKS"},"owners":[{"id":2393,"kind":"person","name":"Gaffin David Joseph","position":1,"cik":"0001675905","reported_name":"Gaffin David Joseph","relationship":{"officer":true,"officer_title":"EVP, CLO, Alkermes, Inc."}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-02-13T02:56:27.000Z","date":"2023-11-17","kind":"other","planned":false,"acquired":true,"shares":1992,"price":24.59,"value":48983.28,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents an equity award granted prior to the separation of the issuer's oncology business into Mural Oncology plc (the \"Separation\"), as adjusted on November 17, 2023 in connection with the Separation (in order to preserve the value associated with the original award) based on the equity adjustment terms set forth in the Employee Matters Agreement filed by the issuer as Exhibit 10.2 to its Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on November 15, 2023. The exercise price (if any) of the adjusted award is shown in Boxes 2 and 8, the number of shares subject to the adjusted award is shown in Box 9 and the number of shares added to the award pursuant to the adjustment is shown in Box 5."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Shares underlying the stock option vest and become exercisable in four equal annual installments commencing on 2/18/2023."}],"balance_after":101674,"derivative":{"exercise_price":24.59,"expiration_date":"2032-02-18","underlying":"Ordinary Shares","underlying_shares":1992},"source":{"system":"sec-edgar","filing":"0001127602-24-004629","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1520262/000112760224004629/form4.xml","form_type":"4"}},{"id":1648803,"issuer":{"id":2392,"kind":"organization","name":"Alkermes plc.","symbol":"ALKS"},"owners":[{"id":2393,"kind":"person","name":"Gaffin David Joseph","position":1,"cik":"0001675905","reported_name":"Gaffin David Joseph","relationship":{"officer":true,"officer_title":"EVP, CLO, Alkermes, Inc."}}],"security":"Restricted Stock Unit Award","published_at":"2024-02-13T02:56:27.000Z","date":"2023-11-17","kind":"other","planned":false,"acquired":true,"shares":291,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents an equity award granted prior to the separation of the issuer's oncology business into Mural Oncology plc (the \"Separation\"), as adjusted on November 17, 2023 in connection with the Separation (in order to preserve the value associated with the original award) based on the equity adjustment terms set forth in the Employee Matters Agreement filed by the issuer as Exhibit 10.2 to its Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on November 15, 2023. The exercise price (if any) of the adjusted award is shown in Boxes 2 and 8, the number of shares subject to the adjusted award is shown in Box 9 and the number of shares added to the award pursuant to the adjustment is shown in Box 5."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each restricted stock unit represents a contingent right to receive one ordinary share."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each restricted stock unit represents a contingent right to receive one ordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/22/2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/22/2022."}],"balance_after":14863,"derivative":{"underlying":"Ordinary Shares","underlying_shares":291},"source":{"system":"sec-edgar","filing":"0001127602-24-004629","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1520262/000112760224004629/form4.xml","form_type":"4"}},{"id":1648802,"issuer":{"id":2392,"kind":"organization","name":"Alkermes plc.","symbol":"ALKS"},"owners":[{"id":2393,"kind":"person","name":"Gaffin David Joseph","position":1,"cik":"0001675905","reported_name":"Gaffin David Joseph","relationship":{"officer":true,"officer_title":"EVP, CLO, Alkermes, Inc."}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-02-13T02:56:27.000Z","date":"2023-11-17","kind":"other","planned":false,"acquired":true,"shares":2378,"price":19.34,"value":45990.52,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents an equity award granted prior to the separation of the issuer's oncology business into Mural Oncology plc (the \"Separation\"), as adjusted on November 17, 2023 in connection with the Separation (in order to preserve the value associated with the original award) based on the equity adjustment terms set forth in the Employee Matters Agreement filed by the issuer as Exhibit 10.2 to its Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on November 15, 2023. The exercise price (if any) of the adjusted award is shown in Boxes 2 and 8, the number of shares subject to the adjusted award is shown in Box 9 and the number of shares added to the award pursuant to the adjustment is shown in Box 5."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Shares underlying the stock option vest and become exercisable in four equal annual installments commencing on 2/22/2022."}],"balance_after":121303,"derivative":{"exercise_price":19.34,"expiration_date":"2031-02-22","underlying":"Ordinary Shares","underlying_shares":2378},"source":{"system":"sec-edgar","filing":"0001127602-24-004629","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1520262/000112760224004629/form4.xml","form_type":"4"}},{"id":1648801,"issuer":{"id":2392,"kind":"organization","name":"Alkermes plc.","symbol":"ALKS"},"owners":[{"id":2393,"kind":"person","name":"Gaffin David Joseph","position":1,"cik":"0001675905","reported_name":"Gaffin David Joseph","relationship":{"officer":true,"officer_title":"EVP, CLO, Alkermes, Inc."}}],"security":"Restricted Stock Unit Award","published_at":"2024-02-13T02:56:27.000Z","date":"2023-11-17","kind":"other","planned":false,"acquired":true,"shares":140,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents an equity award granted prior to the separation of the issuer's oncology business into Mural Oncology plc (the \"Separation\"), as adjusted on November 17, 2023 in connection with the Separation (in order to preserve the value associated with the original award) based on the equity adjustment terms set forth in the Employee Matters Agreement filed by the issuer as Exhibit 10.2 to its Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on November 15, 2023. The exercise price (if any) of the adjusted award is shown in Boxes 2 and 8, the number of shares subject to the adjusted award is shown in Box 9 and the number of shares added to the award pursuant to the adjustment is shown in Box 5."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each restricted stock unit represents a contingent right to receive one ordinary share."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each restricted stock unit represents a contingent right to receive one ordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/20/2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/20/2021."}],"balance_after":7177,"derivative":{"underlying":"Ordinary Shares","underlying_shares":140},"source":{"system":"sec-edgar","filing":"0001127602-24-004629","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1520262/000112760224004629/form4.xml","form_type":"4"}},{"id":1648800,"issuer":{"id":2392,"kind":"organization","name":"Alkermes plc.","symbol":"ALKS"},"owners":[{"id":2393,"kind":"person","name":"Gaffin David Joseph","position":1,"cik":"0001675905","reported_name":"Gaffin David Joseph","relationship":{"officer":true,"officer_title":"EVP, CLO, Alkermes, Inc."}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-02-13T02:56:27.000Z","date":"2023-11-17","kind":"other","planned":false,"acquired":true,"shares":2352,"price":20.03,"value":47110.56,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents an equity award granted prior to the separation of the issuer's oncology business into Mural Oncology plc (the \"Separation\"), as adjusted on November 17, 2023 in connection with the Separation (in order to preserve the value associated with the original award) based on the equity adjustment terms set forth in the Employee Matters Agreement filed by the issuer as Exhibit 10.2 to its Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on November 15, 2023. The exercise price (if any) of the adjusted award is shown in Boxes 2 and 8, the number of shares subject to the adjusted award is shown in Box 9 and the number of shares added to the award pursuant to the adjustment is shown in Box 5."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Shares subject to the stock option award vest and become exercisable in four equal annual installments commencing on 2/20/2021."}],"balance_after":120040,"derivative":{"exercise_price":20.03,"expiration_date":"2030-02-20","underlying":"Ordinary Shares","underlying_shares":2352},"source":{"system":"sec-edgar","filing":"0001127602-24-004629","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1520262/000112760224004629/form4.xml","form_type":"4"}},{"id":1648799,"issuer":{"id":2392,"kind":"organization","name":"Alkermes plc.","symbol":"ALKS"},"owners":[{"id":2393,"kind":"person","name":"Gaffin David Joseph","position":1,"cik":"0001675905","reported_name":"Gaffin David Joseph","relationship":{"officer":true,"officer_title":"EVP, CLO, Alkermes, Inc."}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-02-13T02:56:27.000Z","date":"2023-11-17","kind":"other","planned":false,"acquired":true,"shares":2133,"price":31.93,"value":68106.69,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents an equity award granted prior to the separation of the issuer's oncology business into Mural Oncology plc (the \"Separation\"), as adjusted on November 17, 2023 in connection with the Separation (in order to preserve the value associated with the original award) based on the equity adjustment terms set forth in the Employee Matters Agreement filed by the issuer as Exhibit 10.2 to its Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on November 15, 2023. The exercise price (if any) of the adjusted award is shown in Boxes 2 and 8, the number of shares subject to the adjusted award is shown in Box 9 and the number of shares added to the award pursuant to the adjustment is shown in Box 5."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These options are fully vested in accordance with their terms."}],"balance_after":108833,"derivative":{"exercise_price":31.93,"expiration_date":"2029-02-21","underlying":"Ordinary Shares","underlying_shares":2133},"source":{"system":"sec-edgar","filing":"0001127602-24-004629","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1520262/000112760224004629/form4.xml","form_type":"4"}},{"id":1648798,"issuer":{"id":2392,"kind":"organization","name":"Alkermes plc.","symbol":"ALKS"},"owners":[{"id":2393,"kind":"person","name":"Gaffin David Joseph","position":1,"cik":"0001675905","reported_name":"Gaffin David Joseph","relationship":{"officer":true,"officer_title":"EVP, CLO, Alkermes, Inc."}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-02-13T02:56:27.000Z","date":"2023-11-17","kind":"other","planned":false,"acquired":true,"shares":1089,"price":65.94,"value":71808.66,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents an equity award granted prior to the separation of the issuer's oncology business into Mural Oncology plc (the \"Separation\"), as adjusted on November 17, 2023 in connection with the Separation (in order to preserve the value associated with the original award) based on the equity adjustment terms set forth in the Employee Matters Agreement filed by the issuer as Exhibit 10.2 to its Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on November 15, 2023. The exercise price (if any) of the adjusted award is shown in Boxes 2 and 8, the number of shares subject to the adjusted award is shown in Box 9 and the number of shares added to the award pursuant to the adjustment is shown in Box 5."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These options are fully vested in accordance with their terms."}],"balance_after":55589,"derivative":{"exercise_price":65.94,"expiration_date":"2028-02-16","underlying":"Ordinary Shares","underlying_shares":1089},"source":{"system":"sec-edgar","filing":"0001127602-24-004629","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1520262/000112760224004629/form4.xml","form_type":"4"}},{"id":1648797,"issuer":{"id":2392,"kind":"organization","name":"Alkermes plc.","symbol":"ALKS"},"owners":[{"id":2393,"kind":"person","name":"Gaffin David Joseph","position":1,"cik":"0001675905","reported_name":"Gaffin David Joseph","relationship":{"officer":true,"officer_title":"EVP, CLO, Alkermes, Inc."}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-02-13T02:56:27.000Z","date":"2023-11-17","kind":"other","planned":false,"acquired":true,"shares":799,"price":53.5,"value":42746.5,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents an equity award granted prior to the separation of the issuer's oncology business into Mural Oncology plc (the \"Separation\"), as adjusted on November 17, 2023 in connection with the Separation (in order to preserve the value associated with the original award) based on the equity adjustment terms set forth in the Employee Matters Agreement filed by the issuer as Exhibit 10.2 to its Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on November 15, 2023. The exercise price (if any) of the adjusted award is shown in Boxes 2 and 8, the number of shares subject to the adjusted award is shown in Box 9 and the number of shares added to the award pursuant to the adjustment is shown in Box 5."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These options are fully vested in accordance with their terms."}],"balance_after":40799,"derivative":{"exercise_price":53.5,"expiration_date":"2027-02-17","underlying":"Ordinary Shares","underlying_shares":799},"source":{"system":"sec-edgar","filing":"0001127602-24-004629","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1520262/000112760224004629/form4.xml","form_type":"4"}},{"id":1648796,"issuer":{"id":2392,"kind":"organization","name":"Alkermes plc.","symbol":"ALKS"},"owners":[{"id":2393,"kind":"person","name":"Gaffin David Joseph","position":1,"cik":"0001675905","reported_name":"Gaffin David Joseph","relationship":{"officer":true,"officer_title":"EVP, CLO, Alkermes, Inc."}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-02-13T02:56:27.000Z","date":"2023-11-17","kind":"other","planned":false,"acquired":true,"shares":719,"price":31.64,"value":22749.16,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Represents an equity award granted prior to the separation of the issuer's oncology business into Mural Oncology plc (the \"Separation\"), as adjusted on November 17, 2023 in connection with the Separation (in order to preserve the value associated with the original award) based on the equity adjustment terms set forth in the Employee Matters Agreement filed by the issuer as Exhibit 10.2 to its Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on November 15, 2023. 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