secwatch.observer — SEC 8-K summary ====================================== Issuer: Prime Medicine, Inc. (PRME) CIK: 0001894562 Form: 8-K Filed at: 2026-07-08T12:02:02+00:00 Accession: 0001628280-26-047590 Event type: litigation Sentiment: positive Materiality: 0.80 Item codes: 8.01 LLM model: deepseek-v4-flash:cloud@v2 Prime Medicine wins arbitration against Beam; PM647 for AATD confirmed within Prime's field -------------------------------------------------------------------------------- - Arbitration tribunal ruled PM647 (AATD candidate) is within Prime's 'Field' under 2019 Collaboration Agreement with Beam. - Tribunal denied Beam's claims for damages and injunctive relief; Prime did not breach agreement. - Remaining claims from both parties were denied. - This removes legal overhang on Prime's AATD program. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1894562/000162828026047590/0001628280-26-047590-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1894562/000162828026047590/prme-20260706.htm HTML page: https://secwatch.observer/filing/0001628280-26-047590 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer