secwatch.observer — SEC 8-K summary ====================================== Issuer: Arcus Biosciences, Inc. (RCUS) CIK: 0001724521 Form: 8-K Filed at: 2025-06-02T23:59:59+00:00 Accession: 0001724521-25-000066 Event type: other_material Sentiment: positive Materiality: 0.65 Item codes: 7.01, 8.01 LLM model: deepseek-v4-flash:cloud@v2 Arcus reports 46% confirmed ORR for casdatifan + cabozantinib in ccRCC post-immunotherapy -------------------------------------------------------------------------------- - Phase 1/1b ARC-20 interim analysis shows 46% cORR (11/24) per RECIST v1.1; median follow-up 5.3 months. - Response includes 1 complete response (4%) and 10 partial responses (42%); 50% had stable disease. - Safety evaluable population (n=42) showed acceptable safety profile with no new unexpected risks or overlapping toxicity. - Study evaluates casdatifan 100mg QD plus cabozantinib 60mg QD in patients with ccRCC who progressed on prior immunotherapy. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1724521/000172452125000066/0001724521-25-000066-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1724521/000172452125000066/rcus-20250601.htm HTML page: https://secwatch.observer/filing/0001724521-25-000066 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer