| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| SUMME GREGORY L | Director | C/O GRAIL, INC., 1525 O'BRIEN DRIVE, MENLO PARK | /s/Donald Lang, as Attorney-in-Fact for Gregory Summe | 2025-10-16 | 0001143422 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GRAL | Common Stock | Award | $32.1K | +425 | +1.11% | $75.52 | 38.8K | Oct 15, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents 425 deferred stock units granted to Mr. Summe under our deferred stock program and 2024 Equity Incentive Plan in lieu of $32,136.99 of cash fees payable to Mr. Summe 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. |