| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Callos Andrew | EVP, Chief Commercial Officer | 350 OYSTER POINT BLVD, SOUTH SAN FRANCISCO | /s/ John O. Faurescu, attorney-in-fact for Mr. Callos | 05 Dec 2025 | 0001852129 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CYTK | Common Stock | Tax liability | $88,947 | -1,368 | -2.6% | $65.02 | 50,660 | 03 Dec 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Sell to cover transaction for tax withholding upon vesting of Performance Stock Units granted on March 14, 2024 and earned December 2, 2024. |