CYTOKINETICS INC — Director's Dealing 2018

May 4, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CYTOKINETICS INC (CYTK)
CIK: 0001061983
Period of Report: 2018-05-04

Reporting Person: Blum Robert I (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-04	Common Stock	S	300	$8.3	Disposed	183722	Direct
2018-05-04	Common Stock	S	400	$8.35	Disposed	183322	Direct
2018-05-04	Common Stock	S	1800	$8.375	Disposed	181522	Direct
2018-05-04	Common Stock	S	1500	$8.4	Disposed	180022	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2083	Indirect
Common Stock	2083	Indirect

Footnotes

F1: The sales reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 27, 2017.

F2: Shares held by The Bridget Blum 2003 Irrevocable Trust.

F3: Shares held by The Brittany Blum 2003 Irrevocable Trust.