secwatch.observer — SEC 8-K summary ====================================== Issuer: Relay Therapeutics, Inc. (RLAY) CIK: 0001812364 Form: 8-K Filed at: 2026-05-19T12:45:19+00:00 Accession: 0001193125-26-229770 Event type: other_material Sentiment: positive Materiality: 0.70 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud Relay Therapeutics Announces Initial Phase 2 Data for Zovegalisib in Vascular Anomalies Showing 60% Response Rate -------------------------------------------------------------------------------- - 60% of 20 evaluable patients achieved a volumetric response by BICR at first MRI in Phase 2 ReInspire trial; 95% experienced lesion reduction. - 89% of patients showed clinical improvement per investigator global impression at week 12; 79% per patient global impression. - Among 22 patients at 100mg and 300mg BID, no dose discontinuations; 9% had Grade 3+ TRAEs; no rash or stomatitis observed. - Expansion cohorts opened at 400mg QD and 300mg BID for adults/adolescents; pediatric dose-finding ongoing. - All 32 enrolled patients remained on treatment as of April 15, 2026 data cut-off; prior alpelisib/sirolimus use in 72%. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1812364/000119312526229770/0001193125-26-229770-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1812364/000119312526229770/rlay-20260519.htm HTML page: https://secwatch.observer/filing/0001193125-26-229770 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer