UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): February 28, 2017

Editas Medicine, Inc.

(Exact Name of Registrant as Specified in its Charter)

Registrant’s telephone number, including area code: (617) 401-9000

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐           Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐           Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐           Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐           Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02.            Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On February 28, 2017, Editas Medicine, Inc., a Delaware corporation (the “Company”), and Alexandra Glucksmann, Ph.D., Chief Operating Officer of the Company, agreed that Dr. Glucksmann’s employment with the Company will terminate effective March 31, 2017. In addition, on February 28, 2017, the Compensation Committee of the Board of Directors of the Company agreed to accelerate the vesting with respect to an aggregate of 33,969 shares of the Company’s Common Stock subject to a restricted stock award and a stock option granted to Dr. Gucksmann and to extend the exercise period under the option from three months to one year following termination of employment.  Dr. Glucksmann is entitled to receive severance benefits under the Company’s Severance Benefits Plan, consisting of twelve months’ base salary and reimbursement of Company contributions to the cost of health care continuation under the Consolidated Omnibus Budget Reconciliation Act, or COBRA, for up to twelve months.   

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.