Editas Medicine, Inc. — Director's Dealing 2016

Feb 2, 2016

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Editas Medicine, Inc. (EDIT)
CIK: 0001650664
Period of Report: 2016-02-02

Reporting Person: Nikolic Boris (Director, 10% Owner)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Series B Preferred Stock	$		Common Stock (2649572)		Indirect

Footnotes

F1: The Series B Preferred Stock is convertible into Common Stock on a 2.6-for-one basis into the number of shares shown in column 3 at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering without payment of further consideration. The shares have no expiration date.

F2: These shares are owned by bng0, LLC. Boris Nikolic, as a member and the managing director of bng0, LLC, has voting and investment power over such shares and may be deemed the indirect beneficial owner of such shares. Boris Nikolic disclaims beneficial ownership over such shares, except to the extent of any pecuniary interest therein.