{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-23-033131","form_type":"8-K","ticker":"MTNB","cik":"0001582554","company_name":"Matinas BioPharma Holdings, Inc.","filed_at":"2023-09-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:34.428136+00:00","generated_at":"2026-06-10T12:02:37.988378+00:00","sec_items":["7.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"low","headline":"Matinas BioPharma updates corporate presentation for investor meetings","bullets":["Corporate presentation updated as of September 20, 2023 for use at conferences.","No specific financial or operational details disclosed in the filing body.","Investors should review the exhibit for any changes to strategy or pipeline."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-23-033131","json":"https://secwatch.observer/filing/0001493152-23-033131.json","markdown":"https://secwatch.observer/filing/0001493152-23-033131.md","text":"https://secwatch.observer/filing/0001493152-23-033131.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1582554/000149315223033131/0001493152-23-033131-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1582554/000149315223033131/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T12:02:37.988378+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"}