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The performance criterial for 2019 were achieved at the 75% attainment level, resulting in vesting of the option as to 243,750 shares."}],"balance_after":243750,"derivative":{"exercise_price":9.67,"exercise_date":"2020-01-09","expiration_date":"2029-01-14","underlying":"Common Stock","underlying_shares":243750},"source":{"system":"sec-edgar","filing":"0001683168-20-000088","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1226616/000168316820000088/ownership.xml","form_type":"4"}},{"id":3491091,"issuer":{"id":7011,"kind":"organization","name":"MEDICINOVA INC"},"owners":[{"id":69132,"kind":"person","name":"Matsuda Kazuko","position":1,"cik":"0001531140","reported_name":"Matsuda Kazuko","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2019-06-13T21:06:15.000Z","date":"2019-06-12","kind":"exercise","acquired":true,"shares":37000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vested over a period of 4 years in equal monthly installments from the 7/7/2009 date of grant and is now fully vested."}],"balance_after":0,"derivative":{"exercise_price":4.8,"expiration_date":"2019-07-06","underlying":"Common Stock","underlying_shares":37000},"source":{"system":"sec-edgar","filing":"0001683168-19-001890","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1226616/000168316819001890/ownership.xml","form_type":"4"}},{"id":3491090,"issuer":{"id":7011,"kind":"organization","name":"MEDICINOVA INC"},"owners":[{"id":69132,"kind":"person","name":"Matsuda Kazuko","position":1,"cik":"0001531140","reported_name":"Matsuda Kazuko","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2019-06-13T21:06:15.000Z","date":"2019-06-12","kind":"exercise","acquired":true,"shares":37000,"price":4.8,"value":177600.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 10,454 shares acquired under MediciNova's employee stock purchase plan, which are exempt under Rule 16b-3(c)."}],"balance_after":109457,"source":{"system":"sec-edgar","filing":"0001683168-19-001890","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1226616/000168316819001890/ownership.xml","form_type":"4"}},{"id":3692729,"issuer":{"id":7011,"kind":"organization","name":"MEDICINOVA INC"},"owners":[{"id":69132,"kind":"person","name":"Matsuda Kazuko","position":1,"cik":"0001531140","reported_name":"Matsuda Kazuko","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2019-01-17T21:23:03.000Z","date":"2019-01-15","kind":"grant","acquired":true,"shares":295000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On January 6, 2018, the reporting person was granted an option to purchase 295,000 shares of common stock. The option vests based on MNOV's satisfaction of certain performance criteria for the fiscal year ended December 31, 2018. The Performance criteria for 2018 have been met, resulting in full vesting of the option."}],"balance_after":295000,"derivative":{"exercise_price":7,"exercise_date":"2019-01-15","expiration_date":"2028-01-05","underlying":"Common Stock","underlying_shares":295000},"source":{"system":"sec-edgar","filing":"0001683168-19-000148","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1226616/000168316819000148/ownership.xml","form_type":"4"}},{"id":4102841,"issuer":{"id":7011,"kind":"organization","name":"MEDICINOVA INC"},"owners":[{"id":69132,"kind":"person","name":"Matsuda Kazuko","position":1,"cik":"0001531140","reported_name":"Matsuda Kazuko","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Employee Stock           Option (Right      to Buy)","published_at":"2018-01-09T23:23:41.000Z","date":"2018-01-06","kind":"grant","acquired":true,"shares":280000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On January 18, 2017, the reporting person was granted an option to purchase 280,000 shares of common stock.  The option vests based on MNOV's satisfaction of certain performance criteria for the fiscal year ended December 31, 2017.  The Performance criteria for 2017 have been met, resulting in full vesting of the option."}],"balance_after":280000,"derivative":{"exercise_price":6.1,"exercise_date":"2018-01-06","expiration_date":"2027-01-17","underlying":"Common Stock","underlying_shares":280000},"source":{"system":"sec-edgar","filing":"0001683168-18-000089","document":"matsuda_f4-010618.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1226616/000168316818000089/matsuda_f4-010618.xml","form_type":"4"}},{"id":4485094,"issuer":{"id":7011,"kind":"organization","name":"MEDICINOVA INC"},"owners":[{"id":69132,"kind":"person","name":"Matsuda Kazuko","position":1,"cik":"0001531140","reported_name":"Matsuda Kazuko","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2017-01-20T22:29:53.000Z","date":"2017-01-18","kind":"grant","acquired":true,"shares":170000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On January 7, 2016, the reporting person was granted an option to purchase 170,000 shares of common stock.  The option vests based on MNOV's satisfaction of certain performance criteria by December 31, 2016.  The Performance criteria have been met, resulting in full vesting of the option."}],"balance_after":170000,"derivative":{"exercise_price":3.91,"exercise_date":"2017-01-18","expiration_date":"2026-01-06","underlying":"Common Stock","underlying_shares":170000},"source":{"system":"sec-edgar","filing":"0001683168-17-000139","document":"matsuda_f4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1226616/000168316817000139/matsuda_f4.xml","form_type":"4"}}]}