{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-118572","form_type":"8-K","ticker":"MNOV","cik":"0001226616","company_name":"MEDICINOVA INC","filed_at":"2023-04-26T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.191045+00:00","generated_at":"2026-06-16T11:54:51.086267+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"MediciNova director Jeff Himawan to not stand for re-election due to health reasons","bullets":["Dr. Jeff Himawan notified Board he will not stand for re-election as Class I director at 2023 annual meeting.","Decision solely due to personal health reasons; no disagreement with Company operations, policies, or practices.","His term ends at the Annual Meeting; seat will remain vacant until filled per Company Bylaws.","Company thanks Dr. Himawan for his leadership and service."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-118572","json":"https://secwatch.observer/filing/0001193125-23-118572.json","markdown":"https://secwatch.observer/filing/0001193125-23-118572.md","text":"https://secwatch.observer/filing/0001193125-23-118572.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1226616/000119312523118572/0001193125-23-118572-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1226616/000119312523118572/d467282d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T11:54:51.086267+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"4bf6b1bf91","claim":"Jeff Himawan departed as Director at MEDICINOVA INC.","evidence_excerpt":"On April 20, 2023, Jeff Himawan, Ph.D., a member of the Board of Directors (the “Board”) of MediciNova, Inc. (the “Company”) notified the Board that he will not stand for re-election as a Class I director of the Company at the Company’s 2023 annual meeting of stockholders (the “Annual Meeting”) due solely to a personal decision related to health reasons.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1226616/000119312523118572/0001193125-23-118572-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"will not stand for re-election"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}