| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| CHASE WILLIAM J | Director | C/O GRAIL, INC., 1525 O'BRIEN DRIVE, MENLO PARK | /s/Donald Lang, as Attorney-in-Fact for William Chase | 16 Oct 2025 | 0001563572 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GRAL | Common Stock | Award | $20,768 | +275 | +0.76% | $75.52 | 36,590 | 15 Oct 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents 275 deferred stock units granted to Mr. Chase under our deferred stock program and 2024 Equity Incentive Plan in lieu of $20,794.52 of cash fees payable to Mr. Chase for his service as a director, based on a price per share of $75.52, which was the closing price per share of the Company's common stock on October 15, 2025. The awards will vest immediately upon grant date. |