secwatch.observer — SEC 8-K summary ====================================== Issuer: GERON CORP (GERN) CIK: 0000886744 Form: 8-K Filed at: 2025-10-14T23:59:59+00:00 Accession: 0001628280-25-044862 Event type: leadership Sentiment: neutral Materiality: 0.55 Item codes: 5.02, 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Geron announces COO and CCO departures; appoints new CCO and three senior leaders -------------------------------------------------------------------------------- - COO Andrew Grethlein and CCO Jim Ziegler depart Oct 15, 2025; Grethlein stays as consultant up to 12 months. - Ahmed ElNawawi appointed EVP, Chief Commercial Officer, effective Oct 20, 2025; ex-Stemline/Novartis. - Three new SVP appointments: CTO, IR/Corporate Affairs, Portfolio/Project Mgmt; join by Oct 20. - Director Gaurav Aggarwal resigns immediately; V. Bryan Lawlis not standing for re-election at 2026 meeting. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/886744/000162828025044862/0001628280-25-044862-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/886744/000162828025044862/gern-20251010.htm HTML page: https://secwatch.observer/filing/0001628280-25-044862 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer