| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WIERENGA WENDELL | Director | 350 OYSTER POINT BLVD, SOUTH SAN FRANCISCO | /s/ John O. Faurescu, attorney-in-fact for Dr. Wierenga | 2025-10-21 | 0001239956 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CYTK | Common Stock | Award | $6.22K | +99 | +0.31% | $62.80 | 32.4K | Oct 15, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Director equity in lieu of cash retainer program. |