Sec Form 4 Filing - Honig Peter @ Celladon Corp - 2015-03-05

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP 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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1. Name and Address of Reporting Person Honig Peter 2. Issuer Name and Ticker or Trading Symbol Celladon Corp [ CLDN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 11988 EL CAMINO REAL, SUITE 650 3. Date of Earliest Transaction (MM/DD/YY) 03/05/2015 (Street) SAN DIEGO, CA92130 4. If Amendment, Date Original Filed (MM/DD/YY) 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 Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/05/2015 M 2,500 A $ 11.3 2,500 D Common Stock 03/05/2015 M 2,200 A $ 11.3 4,700 D Common Stock 03/05/2015 S( 1 ) 2,500 D $ 22.5 2,200 D Common Stock 03/05/2015 S( 1 ) 2,200 D $ 22.29 0 D Common Stock 03/06/2015 M 5,000 A $ 9.58 5,000 D Common Stock 03/06/2015 S( 1 ) 5,000 D $ 25 0 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock option (right to buy) $ 11.3 03/05/2015 M 2,500 04/02/2014( 2 ) 03/01/2024 Common Stock 2,500 $ 0 20,000 D Stock option (right to buy) $ 11.3 03/05/2015 M 2,200 04/02/2014( 3 ) 03/01/2024 Common Stock 2,200 $ 0 17,800 D Stock option (right to buy) $ 9.58 03/06/2015 M 5,000 06/20/2014( 4 ) 05/19/2024 Common Stock 5,000 $ 0 12,800 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Honig Peter 11988 EL CAMINO REAL, SUITE 650 SAN DIEGO, CA92130 X Signatures /s/ Rebecque J. Laba, Attorney-in-Fact 03/09/2015 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on December 12, 2014. ( 2 )All shares subject to the option have vested and are exercisable as of the date of this filing. ( 3 )1/36th of the Option vests each month after March 2, 2014 (the "Vesting Commencement Date") such that the Option will be fully vested three years after March 2, 2014. ( 4 )1/12th of the Option vests each month after May 20, 2014 (the "Vesting Commencement Date") such that the Option will be fully vested one year after May 20, 2014.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(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).

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