Wendell Wierenga - Oct 15, 2025 Form 4 Insider Report for CYTOKINETICS INC (CYTK)

Role
Director
Signature
/s/ John O. Faurescu, attorney-in-fact for Dr. Wierenga
Stock symbol
CYTK
Transactions as of
Oct 15, 2025
Transactions value $
$6,217
Form type
4
Date filed
10/21/2025, 12:22 PM
Previous filing
Jan 14, 2025
Next filing
Oct 27, 2025

Reporting Owners (1)

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

Transactions Table

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
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Director equity in lieu of cash retainer program.