Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Morgan Bradley Paul
 2. Date of Event Requiring Statement (Month/Day/Year)
11/16/2015		 3. Issuer Name and Ticker or Trading Symbol
CYTOKINETICS INC [CYTK]
(Last)
(First)
(Middle)
280 EAST GRAND AVENUE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP Drug Discovery & Early Dev
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SOUTH SAN FRANCISCO, CA 94080		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 13,391
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy) 04/05/2013(1) 03/05/2023 Common Stock 21,204 $ 6 D  
Incentive Stock Option (right to buy) 04/05/2012(2) 03/05/2022 Common Stock 13,920 $ 6.3 D  
Incentive Stock Option (right to buy) 03/26/2015(3) 02/26/2025 Common Stock 11,044 $ 7.96 D  
Incentive Stock Option (right to buy) 03/28/2011(4) 02/28/2021 Common Stock 11,883 $ 9.42 D  
Incentive Stock Option (right to buy) 03/24/2014(5) 02/24/2024 Common Stock 18,448 $ 9.65 D  
Incentive Stock Option (right to buy) 03/26/2009(6) 02/26/2019 Common Stock 5,277 $ 11.1 D  
Incentive Stock Option (right to buy) 03/24/2010(7) 02/24/2020 Common Stock 7,611 $ 18.48 D  
Incentive Stock Option (right to buy) 03/29/2008(8) 02/28/2018 Common Stock 2,101 $ 20.22 D  
Incentive Stock Option (right to buy) 04/14/2007(9) 03/14/2017 Common Stock 3,106 $ 40.86 D  
Incentive Stock Option (right to buy) 04/01/2006(10) 03/15/2016 Common Stock 5,000 $ 42.24 D  
Non-Qualified Stock Option (right to buy) 04/05/2013(1) 03/05/2023 Common Stock 3,795 $ 6 D  
Non-Qualified Stock Option (right to buy) 04/05/2012(2) 03/05/2022 Common Stock 1,079 $ 6.3 D  
Non-Qualified Stock Option (right to buy) 03/26/2015(3) 02/26/2025 Common Stock 18,956 $ 7.96 D  
Non-Qualified Stock Option (right to buy) 03/28/2011(4) 02/28/2021 Common Stock 617 $ 9.42 D  
Non-Qualified Stock Option (right to buy) 03/24/2014(5) 02/24/2024 Common Stock 11,552 $ 9.65 D  
Non-Qualified Stock Option (right to buy) 03/26/2009(6) 02/26/2019 Common Stock 1,389 $ 11.1 D  
Non-Qualified Stock Option (right to buy) 03/24/2010(7) 02/24/2020 Common Stock 721 $ 18.48 D  
Non-Qualified Stock Option (right to buy) 03/29/2008(8) 02/28/2018 Common Stock 1,033 $ 20.22 D  
Non-Qualified Stock Option (right to buy) 04/14/2007(9) 03/14/2017 Common Stock 193 $ 40.86 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Morgan Bradley Paul
280 EAST GRAND AVENUE
SOUTH SAN FRANCISCO, CA 94080		       SVP Drug Discovery & Early Dev  

Signatures

Bradley Morgan, Ph.D. 11/23/2015
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) When the ISO and NQ dated 03/05/2013 are combined for a total grant of 24,999 shares, the option shall vest and become exercisable as to 520 shares on 04/05/2013 and the balance of 24,479 divided into equal monthly installments thereafter such that the option shall be 100% vested on 03/05/2017.
(2) When the ISO and NQ dated 03/05/2012 are combined for a total grant of 14,999 shares, the option shall vest and become exercisable as to 312 shares on 04/05/2012 and the balance of 14,687 divided into equal monthly installments thereafter such that the option shall be 100% vested on 03/05/2016.
(3) When the ISO and NQ dated 02/26/2015 are combined for a total grant of 30,000 shares, the option shall vest and become exercisable as to 625 shares on 03/26/2015 and the balance of 29,375 divided into equal monthly installments thereafter such that the option shall be 100% vested on 02/26/2019.
(4) When the ISO and NQ dated 02/28/2011 are combined for a total grant of 12,500 shares, the option shall vest and become exercisable as to 260 shares on 03/31/2011 and the balance of 12,240 divided into equal monthly installments thereafter such that the option shall be 100% vested on 02/28/2015.
(5) When the ISO and NQ dated 02/24/2014 are combined for a total grant of 30,000 shares, the option shall vest and become exercisable as to 625 shares on 03/24/2014 and the balance of 29,375 divided into equal monthly installments thereafter such that the option shall be 100% vested on 02/24/2018.
(6) When the ISO and NQ's dated 02/26/2009 are combined for a total grant of 6,666 shares, the option shall vest and become exercisable as to 138 shares on 03/26/09 and the balance of 6,528 divided into equal monthly installments thereafter such that the option shall be 100% vested on 02/26/13.
(7) When the ISO and NQ dated 02/24/2010 are combined for a total grant of 4,999 shares, the option shall vest and become exercisable as to 104 shares on 03/24/2010 and the balance of 4,895 divided into equal monthly installments thereafter such that the option shall be 100% vested on 02/24/2014.
(8) When the ISO and NQ dated 02/29/2008 are combined for a total grant of 3,134 shares, the option shall vest and become exercisable as to 65 shares on 03/29/08 and the balance of 3,069 divided into equal monthly installments thereafter such that the option shall be 100% vested on 02/29/12.
(9) When the ISO and NQ dated 03/14/2007 are combined for a total grant of 3,299 shares, the option shall vest and become exercisable as to 68 shares on 04/01/07 and the balance of 3,231 divided into equal monthly installments thereafter such that the option shall be 100% vested on 03/01/11.
(10) This option shall vest and become exercisable as to 104 shares on 04/01/06 and the balance of 4,896 divided into equal monthly installments thereafter such that the option shall be 100% vested on 03/01/10.

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