| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Bassan Abraham | Director | C/O SEPTERNA, INC., 250 EAST GRAND AVENUE, SOUTH SAN FRANCISCO | /s/ Jeffrey Finer, Attorney-in-Fact | 2025-06-20 | 0001864485 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SEPN | Stock Option (Right to Buy) | Award | $0 | +16.6K | $0.00 | 16.6K | Jun 17, 2025 | Common Stock | 16.6K | $10.24 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The shares underlying the stock option will vest in full upon the earlier of (i) June 17, 2026 or (ii) the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer through such vesting date. |