X0609 4 2026-06-18 0 0001699031 GRAIL, Inc. GRAL 0001563572 CHASE WILLIAM J false C/O GRAIL, INC. 1525 O'BRIEN DRIVE MENLO PARK CA 94025 1 0 0 0 0 Common Stock 2026-06-18 4 A 0 5491 63.74 A 42702 D Represents an award of 5,491 deferred stock units ("DSUs") granted to Mr. Chase under our 2024 Equity Incentive Plan in lieu of 5,491 restricted stock units. The DSUs will vest in full on the earlier to occur of (i) June 18, 2027 and (ii) the date of the next annual meeting of the Company's stockholders, in each case subject to continued service through the applicable vesting date. Each DSU represents the right to receive, at settlement, one share of common stock. /s/Donald Lang, as Attorney-in-Fact for William Chase 2026-06-22