0001724521 2026-10-21 2026-10-21 false 0001724521 8-K 2026-10-21 Arcus Biosciences, Inc. DE 001-38419 47-3898435 3928 Point Eden Way Hayward CA 94545 (510) 694-6200 false false false false Common Stock, Par Value $0.0001 Per Share RCUS NYSE false