secwatch.observer — SEC 8-K summary ====================================== Issuer: CERO THERAPEUTICS HOLDINGS, INC. (CERO) CIK: 0001870404 Form: 8-K Filed at: 2025-06-30T23:59:59+00:00 Accession: 0001213900-25-059738 Event type: other_material Sentiment: positive Materiality: 0.55 Item codes: 1.01, 3.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 CERo Therapeutics raises $1.85M via Series D preferred stock; adds new institutional investors -------------------------------------------------------------------------------- - 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). Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1870404/000121390025059738/0001213900-25-059738-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1870404/000121390025059738/ea0247627-8k_cero.htm HTML page: https://secwatch.observer/filing/0001213900-25-059738 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer