secwatch.observer — SEC 8-K summary ====================================== Issuer: Prime Medicine, Inc. (PRME) CIK: 0001894562 Form: 8-K Filed at: 2025-07-15T23:59:59+00:00 Accession: 0001628280-25-034971 Event type: leadership Sentiment: neutral Materiality: 0.45 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Prime Medicine CSO Jeremy Duffield steps down effective July 15, 2025; retains as consultant through Mar 2026 -------------------------------------------------------------------------------- - Jeremy Duffield, M.D., Ph.D., FRCP, resigns as Chief Scientific Officer effective July 15, 2025. - Company to enter Separation Agreement providing severance per his 2022 employment agreement. - Duffield retained as consultant from July 15, 2025 through March 31, 2026. - All outstanding equity awards continue vesting during the Advisory Period. - No successor named in the filing. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1894562/000162828025034971/0001628280-25-034971-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1894562/000162828025034971/prme-20250714.htm HTML page: https://secwatch.observer/filing/0001628280-25-034971 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer