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The Compensation Committee authorized the issuance of the underlying shares based upon the Issuer's achievement of pre-established performance criteria set forth in the PSU award."}],"balance_after":7224,"source":{"system":"sec-edgar","filing":"0000899243-22-007259","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/730272/000089924322007259/doc4.xml","form_type":"4"}},{"id":2753597,"issuer":{"id":486,"kind":"organization","name":"REPLIGEN CORP","symbol":"RGEN"},"owners":[{"id":56714,"kind":"person","name":"Bylund James","position":1,"cik":"0001849642","reported_name":"Bylund James","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Global Operations & IT"}}],"security":"Common Stock","published_at":"2021-04-08T23:55:43.000Z","date":"2021-04-06","kind":"sale","acquired":false,"shares":360,"price":204.25,"value":73530.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Sale of shares in the open market to cover tax liability resulting from the release of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"$204.25 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.07 to $204.30, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range."}],"balance_after":6324,"source":{"system":"sec-edgar","filing":"0000899243-21-015429","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/730272/000089924321015429/doc4.xml","form_type":"4"}}]}