{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-24-048036","form_type":"8-K","ticker":"MTNB","cik":"0001582554","company_name":"Matinas BioPharma Holdings, Inc.","filed_at":"2024-11-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:08.872919+00:00","generated_at":"2026-05-29T14:15:08.760642+00:00","sec_items":[],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Director Kathryn Penkus Corzo resigns from Matinas BioPharma board effective Nov 22, 2024","bullets":["Director Kathryn Penkus Corzo resigned from Board effective Nov 22, 2024, citing other professional obligations.","Resignation not due to any material disagreement or change in company direction.","She also resigned from Compensation and Nominating and Corporate Governance Committees."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-24-048036","json":"https://secwatch.observer/filing/0001493152-24-048036.json","markdown":"https://secwatch.observer/filing/0001493152-24-048036.md","text":"https://secwatch.observer/filing/0001493152-24-048036.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1582554/000149315224048036/0001493152-24-048036-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1582554/000149315224048036/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T14:15:08.760642+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}