CYTOKINETICS INC — Director's Dealing 2023

May 15, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CYTOKINETICS INC (CYTK)
CIK: 0001061983
Period of Report: 2023-05-15

Reporting Person: HENDERSON JOHN T (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-15	Common Stock	M	4166	$6.78	Acquired	29586	Direct
2023-05-15	Common Stock	S	4166	$37.77	Disposed	25420	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-05-15	Non-Qualified Stock Option (Right to Buy)	$6.78	M	4166	Disposed	2023-05-22	Common Stock (4166)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	83	Indirect

Footnotes

F1: Transaction effected pursuant to a 10b5-1 plan meeting the requirements of Rule 10b5-1(c) under the Exchange Act entered into by the Reporting Person on December 22, 2022.