13G Filing: Deerfield Management Reveals 5% Stake in Newly-Public Editas Medicine, Inc. (EDIT)

CUSIP No.

28106W103

13G

Page 9 of 11

(i)

o

A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;

(j)

o

A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J);

k)

o

Group, in accordance with Rule 13d-1(b)(1)(ii)(K).

If filing as a non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J), please specify the type of institution: _________________

Item 4.

Ownership.

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a)			Amount beneficially owned**:

			Deerfield Mgmt HIF, L.P. – 854,700 shares Deerfield Mgmt III, L.P. – 954,700 shares Deerfield Management Company, L.P. – 1,809,400 shares Deerfield Healthcare Innovations Fund, L.P. – 854,700 shares Deerfield Private Design Fund III, L.P. – 954,700 shares James E. Flynn – 1,809,400 shares

(b)			Percent of class**:

			Deerfield Mgmt HIF, L.P. – 2.39% Deerfield Mgmt III, L.P. – 2.67% Deerfield Management Company, L.P. – 5.07% Deerfield Healthcare Innovations Fund, L.P. – 2.39% Deerfield Private Design Fund III, L.P. – 2.67% James E. Flynn – 5.07%

(c)	Number of shares as to which such person has**:

	(i)	Sole power to vote or to direct the vote:	All Reporting Persons – 0

	(ii)	Shared power to vote or to direct the vote:	Deerfield Mgmt HIF, L.P. – 854,700 shares Deerfield Mgmt III, L.P. – 954,700 shares Deerfield Management Company, L.P. – 1,809,400 shares Deerfield Healthcare Innovations Fund, L.P. – 854,700 shares Deerfield Private Design Fund III, L.P. – 954,700 shares James E. Flynn – 1,809,400 shares

(iii)	Sole power to dispose or to direct the disposition of:	All Reporting Persons – 0

(iv)	Shared power to vote or to direct the vote:	Deerfield Mgmt HIF, L.P. – 854,700 shares Deerfield Mgmt III, L.P. – 954,700 shares Deerfield Management Company, L.P. – 1,809,400 shares Deerfield Healthcare Innovations Fund, L.P. – 854,700 shares Deerfield Private Design Fund III, L.P. – 954,700 shares James E. Flynn – 1,809,400 shares

**See footnotes on cover pages which are incorporated by reference herein.

Page 8 of 13 SEC Filing