CYTOKINETICS INC — Director's Dealing 2016

May 20, 2016

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: CYTOKINETICS INC (CYTK)
CIK: 0001061983
Period of Report: 2016-05-18

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

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1810	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Incentive Stock Option (right to buy)	$6.37	2025-05-29	Common Stock (30000)		Direct
Incentive Stock Option (right to buy)	$6.67	2026-02-23	Common Stock (29518)		Direct
Non-Qualified Stock Option (right to buy)	$6.67	2026-02-23	Common Stock (5482)		Direct

Footnotes

F1: This option shall vest and become exercisable as to 7,500 shares on 05/29/16 and the balance of 22,500 divided into equal monthly installments thereafter such that the option shall be 100% vested on 05/29/19.

F2: When the ISO and NQ dated 02/23/2016 are combined for a total grant of 35,000 shares, the option shall vest and become exercisable as to 35,000 shares divided into equal monthly installments such that the option shall be 100% vested on 02/23/2020.