| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Stein Jeffrey | Director | C/O IDEAYA BIOSCIENCES, INC., 5000 SHORELINE COURT, SUITE 300, SOUTH SAN FRANCISCO | /s/ Andres Ruiz Briseno, as Attorney-in-Fact for Jeffrey Stein | 26 Jun 2025 | 0001478831 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IDYA | Stock Option (right to buy) | Award | $0 | +20K | $0.00 | 20K | 24 Jun 2025 | Common Stock | 20K | $21.78 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | 100% of the shares subject to the option shall vest in full on the earlier of (i) the first anniversary of the date of grant and (ii) immediately prior to the Annual Meeting following the date of grant, subject to the Reporting Person continuing in service on the Board through such vesting date. |