secwatch.observer — SEC 8-K summary ====================================== Issuer: Tempest Therapeutics, Inc. (TPST) CIK: 0001544227 Form: 8-K Filed at: 2025-11-19T23:59:59+00:00 Accession: 0001193125-25-287163 Event type: m_and_a Sentiment: neutral Materiality: 0.85 Item codes: 1.01, 3.02, 5.02, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Tempest Therapeutics to acquire four CAR T assets in all-stock deal; CEO change, warrants issued -------------------------------------------------------------------------------- - Acquires ERI-2003, ERI-2206, ERI-3003, ERI-3206 CAR T therapies for 8,268,495 shares of TPST common stock. - Post-closing, existing TPST holders own ~35%; Erigen equityholders (Matt Angel and Lotus Capital) own ~38% and ~27% on fully diluted basis. - Matt Angel appointed President & CEO; Stephen Brady becomes Chairman; Geoff Nichol resigns from board, effective at closing. - Each TPST share to receive one warrant exercisable at $18.48 per share, valid for 5 years from issue date. - Closing requires stockholder approval, Angel's appointment, and a minimum $5M pre-closing financing; expected early 2026. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1544227/000119312525287163/0001193125-25-287163-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1544227/000119312525287163/d97617d8k.htm HTML page: https://secwatch.observer/filing/0001193125-25-287163 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer