secwatch.observer — SEC 8-K summary ====================================== Issuer: Prime Medicine, Inc. (PRME) CIK: 0001894562 Form: 8-K Filed at: 2026-11-10T21:06:42+00:00 Accession: 0001628280-26-072713 Event type: other_material Sentiment: neutral Materiality: 0.45 Item codes: 2.02, 8.01, 9.01 LLM model: deepseek-v4.1-flash:cloud@v2 Prime Medicine pegs Sept 30 cash at ~$61.2M preliminary, excluding $13.7M restricted -------------------------------------------------------------------------------- - Preliminary unaudited cash, cash equivalents and short-term investments of approximately $61.2 million as of September 30, 2026; restricted cash of ~$13.7 million excluded. - Company has not completed its quarter-end close for Q3 2026; warns actual results may differ materially from these management estimates. - PricewaterhouseCoopers has not audited, reviewed, examined or compiled the preliminary figures and expresses no assurance on them. - Complete results will be reported in the Form 10-Q for the quarter ended September 30, 2026; no duty to update the estimates. - Updated November 2026 corporate presentation posted to the investor site; the Exhibit 99.1 text supplied here is truncated, so deck contents could not be verified. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1894562/000162828026072713/0001628280-26-072713-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1894562/000162828026072713/prme-20261110.htm HTML page: https://secwatch.observer/filing/0001628280-26-072713 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer