SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Westphal Christoph H (Last) (First) (Middle) C/O VERASTEM, INC. 117 KENDRICK STREET, SUITE 500 (Street) NEEDHAM MA 02494 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Verastem, Inc. [ VSTM ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner X Officer (give title below) Other (specify below) Executive Chairman
	3. Date of Earliest Transaction (Month/Day/Year) 06/30/2015
	4. If Amendment, Date of 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

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	06/30/2015		F		2,648(1)	D	$6.86	665,224(2)	D
Common Stock								1,230,769	I	By Longwood Fund II, LP(3)
Common Stock								26	I	By Longwood Fund(4)
Common Stock								143,554	I	By Longwood Fund GP, LLC(5)
Common Stock								125,714	I	By the Fountain Irrevocable Trust of 2010

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Shares withheld by Registrant to satisfy statutory withholding requirements upon vesting of restricted stock units.

2. Represents 639,397 shares of common stock and 25,827 restricted stock units. Total reflects the forfeiture of 6,456 restricted stock units on June 30, 2015, which were forfeited pursuant to the terms of Christoph Westphal's offer letter dated September 18, 2012.

3. Longwood Fund II GP, LLC is the sole General Partner of Longwood Fund, II L.P. Christoph Westphal, M.D., Ph.D., Richard Aldrich and Michelle Dipp, M.D., Ph.D. (collectively, the "Managers") are managers of Longwood Fund II GP, LLC, and, as such, may be deemed to have shared voting and dispositive power with respect to the issuer's securities held by Longwood Fund, II L.P. (the "Longwood II LP Shares"). Each of the Managers disclaims beneficial ownership of the Longwood II LP Shares, except to the extent of their respective pecuniary interest therein, and the inclusion of the Longwood II LP Shares in this report shall not be deemed an admission of beneficial ownership of the Longwood II LP Shares for purposes of Section 16 or for any other purpose.

4. Longwood Fund GP, LLC is the sole General Partner of Longwood Fund, L.P. Christoph Westphal, M.D., Ph.D., Richard Aldrich and Michelle Dipp, M.D., Ph.D. (collectively, the "Managers") are managers of Longwood Fund GP, LLC, and, as such, may be deemed to have shared voting and dispositive power with respect to the issuer's securities held by Longwood Fund L.P. (the "Longwood LP Shares"). Each of the Managers disclaims beneficial ownership of the Longwood LP Shares, except to the extent of their respective pecuniary interest therein, and the inclusion of the Longwood LP Shares in this report shall not be deemed an admission of beneficial ownership of the Longwood LP Shares for purposes of Section 16 or for any other purpose.

5. Christoph Westphal, M.D., Ph.D., Richard Aldrich and Michelle Dipp, M.D., Ph.D. (collectively, the "Managers") are managers of Longwood Fund GP, LLC, and, as such, may be deemed to have shared voting and dispositive power with respect to the issuer's securities held by Longwood Fund GP, LLC (the "Longwood GP Shares"). Each of the Managers disclaims beneficial ownership of the Longwood GP Shares, except to the extent of their respective pecuniary interest therein, and the inclusion of the Longwood GP Shares in this report shall not be deemed an admission of beneficial ownership of the Longwood GP Shares for purposes of Section 16 or for any other purpose.

	/s/ John B. Green, as attorney-in-fact	07/01/2015
	** Signature of Reporting Person	Date
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