Exhibit 5.1
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March 1, 2022
Epizyme, Inc.
400 Technology Square
Cambridge, MA 02139
| Re: | 2013 Stock Incentive Plan, 2013 Employee Stock Purchase Plan, Inducement |
Stock Option Awards (August 2021-November 2021) and Inducement Restricted
Stock Unit Awards (August 2021-November 2021)
Ladies and Gentlemen:
We have assisted in the preparation of a Registration Statement on Form S-8 (the “Registration Statement”) to be filed with the Securities and Exchange Commission (the “Commission”) under the Securities Act of 1933, as amended (the “Securities Act”), relating to (i) an aggregate of 2,733,333 additional shares of common stock, $0.0001 par value per share (the “Plan Shares”), of Epizyme, Inc., a Delaware corporation (the “Company”), issuable under the Company’s 2013 Stock Incentive Plan and 2013 Employee Stock Purchase Plan (collectively, the “Plans”), (ii) an aggregate of 248,366 shares of Common Stock (the “Option Shares”) issuable pursuant to inducement stock option agreements providing for employee inducement stock option grants between the Company and various employees, which were entered into in connection with the entry into such employees’ employment with the Company pursuant to Nasdaq Stock Market Rule 5635(c)(4) (collectively, the “Inducement Option Agreements”) and (iii) an aggregate of 106,955 shares of Common Stock (the “RSU Shares,” and collectively with the Plan Shares and Option Shares, the “Shares”) issuable pursuant to inducement restricted stock unit agreements providing for employee inducement restricted stock unit grants between the Company and various employees, which were entered into in connection with the entry into such employees’ employment with the Company pursuant to Nasdaq Stock Market Rule 5635(c)(4) (collectively with the Inducement Option Agreements, the “Inducement Award Agreements”).
We have examined the Restated Certificate of Incorporation, as amended, and the Amended and Restated By-Laws of the Company and originals, or copies certified to our satisfaction, of all pertinent records of the meetings of the directors and stockholders of the Company, the Registration Statement and such other documents relating to the Company as we have deemed material for the purposes of this opinion.
In our examination of the foregoing documents, we have assumed the genuineness of all signatures, the authenticity of all documents submitted to us as originals, the conformity to original documents of all documents submitted to us as certified, photostatic or other copies, the authenticity of the originals of any such documents and the legal competence of all signatories to such documents.