secwatch.observer — SEC 8-K summary ====================================== Issuer: CERO THERAPEUTICS HOLDINGS, INC. (CERO) CIK: 0001870404 Form: 8-K Filed at: 2026-02-04T23:59:59+00:00 Accession: 0001213900-26-011844 Event type: other_material Sentiment: positive Materiality: 0.65 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 CER-1236 first-in-human data show no CRS/ICANS; platelet transfusion independence in index AML patient -------------------------------------------------------------------------------- - No cytokine release syndrome (CRS) or ICANS observed despite CD28 costimulatory domain and measurable cell expansion. - Index patient with inv(3) AML achieved platelet transfusion independence for 72 days after multiple CER-1236 doses. - CER-1236 successfully manufactured for all four enrolled patients; study expanded to include MDS and myelofibrosis. - TIM-4 ligand target expressed on AML but not healthy bone marrow; no off-tumor cytotoxicity in preclinical safety assays. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1870404/000121390026011844/0001213900-26-011844-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1870404/000121390026011844/ea0275412-8k_cero.htm HTML page: https://secwatch.observer/filing/0001213900-26-011844 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer