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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1. Name and Address of Reporting Person * Singer Andrew E.   2. Issuer Name and Ticker or Trading Symbol Epizyme, Inc. [EPZM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP & CFO (Last) (First) (Middle) C/O EPIZYME, INC., 400 TECHNOLOGY SQUARE 3. Date of Earliest Transaction (Month/Day/Year) 07/10/2017 (Street) CAMBRIDGE, MA 02139 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (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, par value $0.0001 07/10/2017   M   1,682 A (1) 42,209 D   Common Stock, par value $0.0001 07/10/2017   M   777 A (1) 42,986 D

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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

Restricted Stock Units

(1)

07/10/2017

M

1,682

(2)

(2)

Common Stock

1,682

$ 0

31,956

D

Restricted Stock Units

(1)

07/10/2017

M

777

(3)

(3)

Common Stock

777

$ 0

14,770

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Singer Andrew E. C/O EPIZYME, INC. 400 TECHNOLOGY SQUARE CAMBRIDGE, MA 02139			EVP & CFO

Signatures

/s/ Adriana Sullivan, attorney-in-fact		07/12/2017
**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 restricted stock unit represents the contingent right to receive one share of Epizyme, Inc. common stock upon vesting.
(2)	This award, granted on February 9, 2016, pursuant to the Company's 2013 Stock Incentive plan, vests as to 25% of the total award on February 9, 2016, a year from the commencement of employment, with the remaining 75% vesting in 36 substantially equal monthly installments thereafter. Vested shares will be delivered to the reporting person.
(3)	This award, granted on February 9, 2015, pursuant to the Company's 2013 Stock Inventive Plan, vests as to 25% of the total award on February 9, 2016, with the remaining 75% vesting in 36 substantially equal monthly installments thereafter. Vested shares will be delivered to the reporting person.

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