Robert I. Blum - 22 Dec 2025 Form 4 Insider Report for CYTOKINETICS INC (CYTK)

Role
President & CEO, Director
Signature
/s/ John O. Faurescu, attorney-in-fact for Mr. Blum
Issuer symbol
CYTK
Transactions as of
22 Dec 2025
Net transactions value
-$184,083
Form type
4
Filing time
29 Dec 2025, 16:09:03 UTC
Previous filing
05 Dec 2025
Next filing
10 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Blum Robert I President & CEO, Director 350 OYSTER POINT BLVD, SOUTH SAN FRANCISCO /s/ John O. Faurescu, attorney-in-fact for Mr. Blum 24 Dec 2025 0001288859

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CYTK Common Stock Award $0 +5,765 +1.5% $0.000000 396,774 22 Dec 2025 Direct F1
transaction CYTK Common Stock Award $0 +5,765 +1.5% $0.000000 402,539 22 Dec 2025 Direct F2
transaction CYTK Common Stock Tax liability $184,083 -2,935 -0.73% $62.72 399,604 22 Dec 2025 Direct F3
holding CYTK Common Stock 2,083 22 Dec 2025 by Trust 1 F4
holding CYTK Common Stock 2,083 22 Dec 2025 by Trust 2 F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Performance shares earned as a result of achieving performance goal. Shares remain subject to 1-year time vesting requirement.
F2 Performance Stock Units earned upon achieving performance goal. Shares have been vested.
F3 Withholding of shares for tax on performance shares that have been earned and vested.
F4 Shares held by The Bridget Blum 2003 Irrevocable Trust.
F5 Shares held by The Brittany Blum 2003 Irrevocable Trust.