{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-059738","form_type":"8-K","ticker":"CERO","cik":"0001870404","company_name":"CERO THERAPEUTICS HOLDINGS, INC.","filed_at":"2025-06-30T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.308964+00:00","generated_at":"2026-05-18T14:44:41.886846+00:00","sec_items":["1.01","3.02","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"CERo Therapeutics raises $1.85M via Series D preferred stock; adds new institutional investors","bullets":["Closed additional closing of 2,315 shares of Series D convertible preferred stock for gross proceeds of ~$1,852,000.","Entered into Amendment No. 1 to the Securities Purchase Agreement adding new institutional investors as buyers.","New investors join through joinder agreements, becoming parties to the existing Securities Purchase Agreement.","The Series D preferred stock is convertible into shares of CERO common stock; offering exempt under Rule 506/Section 4(a)(2)."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-059738","json":"https://secwatch.observer/filing/0001213900-25-059738.json","markdown":"https://secwatch.observer/filing/0001213900-25-059738.md","text":"https://secwatch.observer/filing/0001213900-25-059738.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1870404/000121390025059738/0001213900-25-059738-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1870404/000121390025059738/ea0247627-8k_cero.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T14:44:41.886846+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"}