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the option vested in twelve equal quarterly installments with the first quarterly installment vesting on October 1, 2008."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"The exercise price and number of derivative securities was adjusted to reflect stock splits that occurred from May 8, 2008 until April 24, 2014."}],"balance_after":0,"derivative":{"exercise_price":2.74,"expiration_date":"2018-05-08","underlying":"Common Stock","underlying_shares":27778},"source":{"system":"sec-edgar","filing":"0001209191-17-028532","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1428522/000120919117028532/doc4.xml","form_type":"4"}},{"id":4343488,"issuer":{"id":124173,"kind":"organization","name":"Radius Health, Inc.","symbol":"RDUS"},"owners":[{"id":55604,"kind":"person","name":"Harvey Brian 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vested in twelve equal quarterly installments with the first quarterly installment vesting on January 1, 2008, and the remaining 50% vested upon the completion of certain milestones."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"The exercise price and number of derivative securities was adjusted to reflect  stock splits that occurred from July 12, 2007 until April 24, 2014."}],"balance_after":0,"derivative":{"exercise_price":2.05,"expiration_date":"2017-07-11","underlying":"Common Stock","underlying_shares":23416},"source":{"system":"sec-edgar","filing":"0001209191-17-022322","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1428522/000120919117022322/doc4.xml","form_type":"4"}},{"id":4374823,"issuer":{"id":124173,"kind":"organization","name":"Radius Health, Inc.","symbol":"RDUS"},"owners":[{"id":55604,"kind":"person","name":"Harvey 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