| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lee Sung | EVP, Chief Financial Officer | 350 OYSTER POINT BLVD, SOUTH SAN FRANCISCO | /s/ John O. Faurescu, attorney-in-fact for Mr. Lee | 18 Mar 2026 | 0001793200 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CYTK | Common Stock | Sale | $306,710 | -4,935 | -5.4% | $62.15 | 87,127 | 17 Mar 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Company compelled sell-to-cover transaction to satisfy tax withholding obligations attributable to RSU vesting. |