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Vested shares will be delivered to the spouse of the reporting person as soon as practicable following the vesting date, but in any an event within 30 days of such date."}],"balance_after":65400,"derivative":{"underlying":"Common Stock","underlying_shares":21800},"source":{"system":"sec-edgar","filing":"0001209191-20-010747","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1503802/000120919120010747/doc4.xml","form_type":"4"}},{"id":3262233,"issuer":{"id":781,"kind":"organization","name":"Karyopharm Therapeutics Inc.","symbol":"KPTI"},"owners":[{"id":36224,"kind":"person","name":"Shacham Sharon","position":1,"cik":"0001588438","reported_name":"Shacham Sharon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President & CSO"}}],"security":"Restricted Stock Units","published_at":"2020-02-19T23:00:29.000Z","date":"2020-02-15","kind":"exercise","acquired":false,"shares":21800,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted stock units convert into Karyopharm Therapeutics Inc. common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On February 15, 2019, the reporting person was granted 87,200 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date. 25% of the restricted stock units vested on February 15, 2020. Vested shares will be delivered to the reporting person as soon as practicable following the vesting date, but in any an event within 30 days of such date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On February 15, 2019, the reporting person was granted 87,200 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date. 25% of the restricted stock units vested on February 15, 2020. 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