0001761918 2026-10-15 2026-10-15 false 0001761918 8-K 2026-10-15 Erasca, Inc. DE 001-40602 83-1217027 3115 Merryfield Row Suite 300 San Diego CA 92121 (858) 465-6511 false false false false Common Stock, $0.0001 par value per share ERAS NASDAQ true false