CYTOKINETICS INC — Director's Dealing 2020

May 20, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CYTOKINETICS INC (CYTK)
CIK: 0001061983
Period of Report: 2020-05-19

Reporting Person: HENDERSON JOHN T (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-19	Common Stock	M	3333	$16.86	Acquired	3583	Direct
2020-05-19	Common Stock	F	2684	$20.93	Disposed	899	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-19	Non-Qualified Stock Option (right to buy)	$16.86	M	3333	Disposed	2020-05-20	Common Stock (3333)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	83	Indirect

Footnotes

F1: Represents a "net exercise" of an outstanding stock option. The Reporting Person received 649 shares of Common Stock on the net exercise of a stock option to purchase 3,333 shares of Common Stock. The Issuer withheld 2,684 shares of Common Stock underlying the stock option for payment of the exercise price using a stock price on May 19, 2020 of $20.93. In addition to the withholding of 2,684 shares of Common Stock, the Reporting Person has paid $18.26 in cash to the Issuer for the remainder of his exercise price liability.