CYTOKINETICS INC - Director's Dealing 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CYTOKINETICS INC (CYTK)
CIK: 0001061983
Period of Report: 2018-01-16

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

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-01-16	Common Stock	M	77	$6.67	Acquired	15077	Direct
2018-01-16	Common Stock	S	77	$9.0	Disposed	15000	Direct
2018-01-16	Common Stock	M	77	$6.67	Acquired	15077	Direct
2018-01-16	Common Stock	S	77	$9.0	Disposed	15000	Direct
2018-01-16	Common Stock	M	652	$6.67	Acquired	15652	Direct
2018-01-16	Common Stock	S	652	$9.0	Disposed	15000	Direct
2018-01-16	Common Stock	M	653	$6.67	Acquired	15653	Direct
2018-01-16	Common Stock	S	653	$9.0	Disposed	15000	Direct
2018-01-16	Common Stock	M	625	$6.37	Acquired	15625	Direct
2018-01-16	Common Stock	S	625	$9.0	Disposed	15000	Direct
2018-01-16	Common Stock	M	625	$6.37	Acquired	15625	Direct
2018-01-16	Common Stock	S	625	$9.0	Disposed	15000	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-01-16	Incentive Stock Option (right to buy)	$6.37	M	625	Disposed	2025-05-29	Common Stock (625)	Direct
2018-01-16	Incentive Stock Option (right to buy)	$6.37	M	625	Disposed	2025-05-29	Common Stock (625)	Direct
2018-01-16	Incentive Stock Option (right to buy)	$6.67	M	652	Disposed	2026-02-23	Common Stock (652)	Direct
2018-01-16	Incentive Stock Option (right to buy)	$6.67	M	653	Disposed	2026-02-23	Common Stock (653)	Direct
2018-01-16	Non-Qualified Stock Option (right to buy)	$6.67	M	77	Disposed	2026-02-23	Common Stock (77)	Direct
2018-01-16	Non-Qualified Stock Option (right to buy)	$6.67	M	77	Disposed	2026-02-23	Common Stock (77)	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.