X0508 4 2025-11-17 true 0001699031 GRAIL, Inc. GRAL 0001110803 ILLUMINA, INC. 5200 ILLUMINA WAY SAN DIEGO CA 92122 true false Common stock, par value $0.001 per share 2025-11-17 4 S 0 1000000 79.85 D 3502126 D Following the sale reported herein, the reporting person is no longer a 10% beneficial owner and this reflects an exit filing by the reporting person. Rob Maynes, Vice President, Legal and Assistant Secretary 2025-11-18