Andrew Callos - 22 Dec 2025 Form 4 Insider Report for CYTOKINETICS INC (CYTK)

Role
EVP, Chief Commercial Officer
Signature
/s/ John O. Faurescu, attorney-in-fact for Mr. Callos
Issuer symbol
CYTK
Transactions as of
22 Dec 2025
Net transactions value
-$42,336
Form type
4
Filing time
29 Dec 2025, 16:04:58 UTC
Previous filing
08 Dec 2025
Next filing
30 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

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 24 Dec 2025 0001852129

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CYTK Common Stock Award $0 +1,589 +3.1% $0.000000 52,249 22 Dec 2025 Direct F1
transaction CYTK Common Stock Award $0 +1,588 +3% $0.000000 53,837 22 Dec 2025 Direct F2
transaction CYTK Common Stock Tax liability $42,336 -675 -1.3% $62.72 53,162 22 Dec 2025 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Performance shares earned upon achieving performance goal. Shares vested immediately.
F2 Performance shares earned upon achievement of performance goal. Shares remain subject to 1-year vesting requirement.
F3 Withholding of shares for tax withholding on vesting of performance shares.