{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-24-084200","form_type":"8-K","ticker":"CERO","cik":"0001870404","company_name":"CERO THERAPEUTICS HOLDINGS, INC.","filed_at":"2024-10-02T23:59:59+00:00","discovered_at":"2026-05-14T18:03:10.196483+00:00","generated_at":"2026-05-30T22:48:29.733820+00:00","sec_items":["5.03","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"CERo Therapeutics raises ~$1.25M via Series C preferred stock and warrant private placement","bullets":["Filed Certificate of Designations for Series C Convertible Preferred Stock on Sept 25, 2024.","Issued 2,853 shares of Series C preferred and warrants for 8,175,166 common shares.","Gross proceeds of ~$1.25M from private placement with accredited investors.","Private placement closed on September 26, 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-24-084200","json":"https://secwatch.observer/filing/0001213900-24-084200.json","markdown":"https://secwatch.observer/filing/0001213900-24-084200.md","text":"https://secwatch.observer/filing/0001213900-24-084200.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1870404/000121390024084200/0001213900-24-084200-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1870404/000121390024084200/ea021621601-8k_cero.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-30T22:48:29.733820+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":"22ded167a8d27ddb5ee415454837a3f803e9bb34","claim":"CERO THERAPEUTICS HOLDINGS, INC.: Filed Certificate of Designations creating Series C Convertible Preferred Stock (effective 2024-09-25).","evidence_excerpt":"On September 25, 2024, CERo Therapeutics Holdings, Inc. (the “ Company ”) filed a Certificate of Designations of Series C Convertible Preferred Stock with the Secretary of State of the State of Delaware (the “ Certificate of Designations ”), thereby creating a new series of preferred stock of the Company designated as “Series C Convertible Preferred Stock.”","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1870404/000121390024084200/0001213900-24-084200-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2024-09-25"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}