{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-053292","form_type":"8-K","ticker":"CERO","cik":"0001870404","company_name":"CERO THERAPEUTICS HOLDINGS, INC.","filed_at":"2025-06-11T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.307499+00:00","generated_at":"2026-05-19T14:07:15.898823+00:00","sec_items":["5.03","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"CERo Therapeutics announces 1-for-20 reverse stock split effective June 13, 2025","bullets":["Outstanding shares reduced from ~10,321,839 to ~516,092; par value $0.0001 unchanged.","Split-adjusted trading begins June 13 under symbol CERO; new CUSIP 71902K402.","No fractional shares; fractional holders receive rounding up to next whole share.","Proportional adjustments made to outstanding options, warrants, and preferred stock.","Stockholders approved a 1-for-2 to 1-for-25 range at May 29, 2025 annual meeting; board set 1-for-20."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-053292","json":"https://secwatch.observer/filing/0001213900-25-053292.json","markdown":"https://secwatch.observer/filing/0001213900-25-053292.md","text":"https://secwatch.observer/filing/0001213900-25-053292.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1870404/000121390025053292/0001213900-25-053292-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1870404/000121390025053292/ea0245328-8k_cero.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-19T14:07:15.898823+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":"7b8f4a7ccd90ed7c23e39d9dfc22d839638c559b","claim":"CERO THERAPEUTICS HOLDINGS, INC.: The Company filed a Certificate of Amendment to its Second Amended and Restated Certificate of Incorporation to effect a 1-for-20 reverse stock split of its common stock, effective June 13, 2025 (effective 2025-06-13).","evidence_excerpt":"On June 11, 2025, CERo Therapeutics Holdings, Inc. (the “Company”) filed an amendment (the “Certificate of Amendment”) to its Second Amended and Restated Certificate of Incorporation, as amended and/or restated from time to time, to effectuate a reverse stock split of the Company’s issued and outstanding shares of common stock, par value $0.0001 per share (the “Common Stock”).","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1870404/000121390025053292/0001213900-25-053292-index.htm","confidence":0.95,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2025-06-13"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}