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The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the fourth quarter of 2020, as calculated by the Company on October 1, 2020."}],"balance_after":50659,"source":{"system":"sec-edgar","filing":"0000899243-20-027267","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1396084/000089924320027267/doc4.xml","form_type":"4"}},{"id":3059891,"issuer":{"id":690,"kind":"organization","name":"Lantheus Holdings, Inc.","symbol":"LNTH"},"owners":[{"id":139882,"kind":"person","name":"Robertson A Frederick","position":1,"cik":"0001396084","reported_name":"Robertson A Frederick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-08-12T17:35:23.000Z","date":"2020-08-10","kind":"grant","acquired":true,"shares":806,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"As previously disclosed, including most recently in our Form 10-Q for the fiscal period ended June 30, 2020, the Board of Directors of the Company elected to receive all remaining compensation payable in 2020 in the form of time-based restricted stock units, rather than in cash.  The transaction reported in this Form 4 reports the additional restricted stock units earned by the reporting person for the compensation payable in the third quarter of 2020, as finally calculated by the Company on August 10, 2020."}],"balance_after":49303,"source":{"system":"sec-edgar","filing":"0000899243-20-022147","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1396084/000089924320022147/doc4.xml","form_type":"4"}},{"id":3224212,"issuer":{"id":690,"kind":"organization","name":"Lantheus Holdings, Inc.","symbol":"LNTH"},"owners":[{"id":139882,"kind":"person","name":"Robertson A Frederick","position":1,"cik":"0001396084","reported_name":"Robertson A Frederick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-03-05T16:34:18.000Z","date":"2020-03-03","kind":"grant","acquired":true,"shares":8095,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":48497,"source":{"system":"sec-edgar","filing":"0000899243-20-007206","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1396084/000089924320007206/doc4.xml","form_type":"4"}},{"id":3237443,"issuer":{"id":690,"kind":"organization","name":"Lantheus Holdings, Inc.","symbol":"LNTH"},"owners":[{"id":139882,"kind":"person","name":"Robertson A Frederick","position":1,"cik":"0001396084","reported_name":"Robertson A Frederick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-03-02T16:30:32.000Z","date":"2020-02-27","kind":"sale","acquired":false,"shares":2660,"price":15.862,"value":42192.92,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $15.58 to $16.11, inclusive. The reporting person undertakes to provide to Lantheus Holdings, Inc., (\"LNTH\") any security holder of LNTH or the staff of the Securities and Exchange Commission (\"SEC\"), upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4."}],"balance_after":40402,"source":{"system":"sec-edgar","filing":"0000899243-20-006491","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1396084/000089924320006491/doc4.xml","form_type":"4"}},{"id":3603764,"issuer":{"id":690,"kind":"organization","name":"Lantheus Holdings, Inc.","symbol":"LNTH"},"owners":[{"id":139882,"kind":"person","name":"Robertson A Frederick","position":1,"cik":"0001396084","reported_name":"Robertson A Frederick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-03-08T16:30:32.000Z","date":"2019-03-06","kind":"sale","acquired":false,"shares":3932,"price":22.771,"value":89535.572,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 16, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $22.57 to $23.02, inclusive. The reporting person undertakes to provide to Lantheus Holdings, Inc., (\"LNTH\") any security holder of LNTH or the staff of the Securities and Exchange Commission (\"SEC\"), upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4."}],"balance_after":43062,"source":{"system":"sec-edgar","filing":"0000899243-19-006908","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1396084/000089924319006908/doc4.xml","form_type":"4"}},{"id":3625757,"issuer":{"id":690,"kind":"organization","name":"Lantheus Holdings, Inc.","symbol":"LNTH"},"owners":[{"id":139882,"kind":"person","name":"Robertson A Frederick","position":1,"cik":"0001396084","reported_name":"Robertson A Frederick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-02-28T16:24:30.000Z","date":"2019-02-26","kind":"grant","acquired":true,"shares":5353,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":46994,"source":{"system":"sec-edgar","filing":"0000899243-19-005227","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1396084/000089924319005227/doc4.xml","form_type":"4"}},{"id":4007657,"issuer":{"id":690,"kind":"organization","name":"Lantheus Holdings, Inc.","symbol":"LNTH"},"owners":[{"id":139882,"kind":"person","name":"Robertson A Frederick","position":1,"cik":"0001396084","reported_name":"Robertson A Frederick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-03-07T16:32:26.000Z","date":"2018-03-05","kind":"grant","acquired":true,"shares":7911,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":41641,"source":{"system":"sec-edgar","filing":"0000899243-18-006645","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1396084/000089924318006645/doc4.xml","form_type":"4"}},{"id":4413301,"issuer":{"id":690,"kind":"organization","name":"Lantheus Holdings, Inc.","symbol":"LNTH"},"owners":[{"id":139882,"kind":"person","name":"Robertson A Frederick","position":1,"cik":"0001396084","reported_name":"Robertson A Frederick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-03-01T16:05:34.000Z","date":"2017-02-27","kind":"grant","acquired":true,"shares":8730,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":33730,"source":{"system":"sec-edgar","filing":"0000899243-17-005785","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1396084/000089924317005785/doc4.xml","form_type":"4"}}]}