{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-25-010416","form_type":"8-K","ticker":"MTNB","cik":"0001582554","company_name":"Matinas BioPharma Holdings, Inc.","filed_at":"2025-03-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.073275+00:00","generated_at":"2026-05-24T18:17:29.689881+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Matinas BioPharma Chairman Eric Ende resigns from Board effective March 14","bullets":["Eric Ende resigned as Board member and Chairman on March 14, 2025.","Resignation is due to other professional obligations, not a disagreement.","No replacement for Chairman or Board seat has been announced."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-25-010416","json":"https://secwatch.observer/filing/0001493152-25-010416.json","markdown":"https://secwatch.observer/filing/0001493152-25-010416.md","text":"https://secwatch.observer/filing/0001493152-25-010416.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1582554/000149315225010416/0001493152-25-010416-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1582554/000149315225010416/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T18:17:29.689881+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":"c61d71b9f9","claim":"Eric Ende resigned as Chairman of the Board at Matinas BioPharma Holdings, Inc..","evidence_excerpt":"On March 13, 2025, Eric Ende informed the Board of Directors (the “ Board ”) of Matinas BioPharma Holdings, Inc. (the “ Company ”) that he was resigning as a member of the Board and as Chairman of the Board effective March 14, 2025, due to his other professional obligations.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1582554/000149315225010416/0001493152-25-010416-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}