Ownership Submission
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 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 *
KLEINER PERKINS CAUFIELD & BYERS XIII, LLC
  2. Issuer Name and Ticker or Trading Symbol
Epizyme, Inc. [EPZM]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
2750 SAND HILL ROAD
3. Date of Earliest Transaction (Month/Day/Year)
06/05/2013
(Street)

MENLO PARK, CA 94025
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 06/05/2013   C   2,154,306 A (1) 2,154,306 D (2)  
Common Stock 06/05/2013   C   2,072,445 A (3) 4,226,751 D (2) (4)  

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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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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
(Month/Day/Year)
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
Series A Preferred Stock (1) 06/05/2013   C     6,462,918   (1)   (5) Common Stock 2,154,306 $ 0 0 D (2)  
Series B Preferred Stock (3) 06/05/2013   C     6,217,335   (3)   (5) Common Stock 2,072,445 $ 0 0 D (4)  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KLEINER PERKINS CAUFIELD & BYERS XIII, LLC
2750 SAND HILL ROAD
MENLO PARK, CA 94025
    X    
KPCB XIII Associates, LLC
2750 SAND HILL ROAD
MENLO PARK, CA 94025
    X    

Signatures

 /s/ Paul M. Vronsky, General Counsel   06/07/2013
**Signature of Reporting Person Date

 /s/ Paul M. Vronsky, General Counsel   06/07/2013
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Each share of Series A Preferred Stock was automatically converted into 1/3rd of a share of Common Stock basis upon the closing of the Issuer's initial public offering without payment of consideration.
(2) The shares are directly held by Kleiner Perkins Caufield & Byers XIII, LLC ("KPCB XIII"). All shares are held for convenience in the name of "KPCB Holdings, Inc., as nominee". The managing member of KPCB XIII is KPCB XIII Associates, LLC ("XIII Associates"). The voting and dispositive control over the shares is shared by individual managing directors of XIII Associates, none of whom has veto power. Excludes 155,694 shares of Common Stock issuable upon conversion of Series A Preferred Stock beneficially owned by individuals and entities associated with Kleiner Perkins Caufield & Byers and held for convenience in the name of "KPCB Holdings, Inc. as nominee," for the accounts of such individuals and entities who each exercise their own voting and dispositive control over such shares.
(3) Each share of Series B Preferred Stock was automatically converted into 1/3rd of a share of Common Stock basis upon the closing of the Issuer's initial public offering without payment of consideration.
(4) The shares are directly held by KPCB XIII. All shares are held for convenience in the name of "KPCB Holdings, Inc., as nominee". The managing member of KPCB XIII is XIII Associates. The voting and dispositive control over the shares is shared by individual managing directors of XIII Associates, none of whom has veto power. Excludes 149,777 shares of Common Stock issuable upon conversion of Series B Preferred Stock beneficially owned by individuals and entities associated with Kleiner Perkins Caufield & Byers and held for convenience in the name of "KPCB Holdings, Inc. as nominee," for the accounts of such individuals and entities who each exercise their own voting and dispositive control over such shares.
(5) Not applicable.

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