CYTOKINETICS INC - Director's Dealing 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CYTOKINETICS INC (CYTK)
CIK: 0001061983
Period of Report: 2017-10-06

Reporting Person: McDowell Caryn Gordon (GC & Chief Compliance Officer)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-10-06	Common Stock	M	6357	$6.37	Acquired	24726	Direct
2017-10-06	Common Stock	S	2000	$15.2	Disposed	22726	Direct
2017-10-06	Common Stock	M	1507	$6.67	Acquired	24233	Direct
2017-10-06	Common Stock	S	500	$15.25	Disposed	23733	Direct
2017-10-06	Common Stock	M	3719	$6.67	Acquired	27452	Direct
2017-10-06	Common Stock	S	383	$15.275	Disposed	27069	Direct
2017-10-06	Common Stock	S	1094	$15.3	Disposed	25975	Direct
2017-10-06	Common Stock	S	200	$15.325	Disposed	25775	Direct
2017-10-06	Common Stock	S	1106	$15.35	Disposed	24669	Direct
2017-10-06	Common Stock	S	600	$15.4	Disposed	24069	Direct
2017-10-06	Common Stock	S	200	$15.5	Disposed	23869	Direct
2017-10-06	Common Stock	S	700	$15.55	Disposed	23169	Direct
2017-10-06	Common Stock	S	400	$15.575	Disposed	22769	Direct
2017-10-06	Common Stock	S	1100	$15.6	Disposed	21669	Direct
2017-10-06	Common Stock	S	200	$15.625	Disposed	21469	Direct
2017-10-06	Common Stock	S	700	$15.65	Disposed	20769	Direct
2017-10-06	Common Stock	S	800	$15.675	Disposed	19969	Direct
2017-10-06	Common Stock	S	1100	$15.7	Disposed	18869	Direct
2017-10-06	Common Stock	S	100	$15.725	Disposed	18769	Direct
2017-10-06	Common Stock	S	200	$15.75	Disposed	18569	Direct
2017-10-06	Common Stock	S	200	$15.95	Disposed	18369	Direct
2017-10-06	Common Stock	S	1598	$15.7	Disposed	16771	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-10-06	Incentive Stock Option (right to buy)	$6.37	M	6357	Disposed	2025-05-29	Common Stock (6357)	Direct
2017-10-06	Incentive Stock Option (right to buy)	$6.67	M	3719	Disposed	2026-02-23	Common Stock (3719)	Direct
2017-10-06	Non-Qualified Stock Option (right to buy)	$6.67	M	1507	Disposed	2026-02-23	Common Stock (1507)	Direct

F1: The exercise reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2017.

F2: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2017.