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* Bessemer Venture Partners VII L.P. (Last) (First) (Middle) C/O BESSEMER VENTURE PARTNERS 1865 PALMER AVENUE, SUITE 104 (Street) LARCHMONT NY 10538 (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 X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 02/01/2012
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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	02/01/2012		P		100,000	A	$10	100,000	I	See Footnotes(1)(9)(10)(11)
Common Stock	02/01/2012		C		1,142,857	A	$0	1,242,857	I	See Footnotes(2)(9)(10)(11)
Common Stock	02/01/2012		C		714,285	A	$0	1,957,142	I	See Footnotes(3)(9)(10)(11)
Common Stock	02/01/2012		C		38,095	A	$0	1,995,237	I	See Footnotes(4)(9)(10)(11)

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
Series A Preferred Stock	(5)	02/01/2012		C			4,000,000	(5)	(5)	Common Stock	1,142,857	$0	0	I	See Footnotes(6)(9)(10)(11)
Series B Preferred Stock	(5)	02/01/2012		C			2,500,000	(5)	(5)	Common Stock	714,285	$0	0	I	See Footnotes(7)(9)(10)(11)
Series C Preferred Stock	(5)	02/01/2012		C			133,333	(5)	(5)	Common Stock	38,095	$0	0	I	See Footnotes(8)(9)(10)(11)

1. Name and Address of Reporting Person* Bessemer Venture Partners VII L.P. (Last) (First) (Middle) C/O BESSEMER VENTURE PARTNERS 1865 PALMER AVENUE, SUITE 104 (Street) LARCHMONT NY 10538 (City) (State) (Zip)

1. Name and Address of Reporting Person* Bessemer Venture Partners VII Institutional L.P. (Last) (First) (Middle) C/O BESSEMER VENTURE PARTNERS 1865 PALMER AVENUE, SUITE 104 (Street) LARCHMONT NY 10538 (City) (State) (Zip)

1. Name and Address of Reporting Person* BVP VII SPECIAL OPPORTUNITY FUND LP (Last) (First) (Middle) C/O BESSEMER VENTURE PARTNERS 1865 PALMER AVENUE, SUITE 104 (Street) LARCHMONT NY 10538 (City) (State) (Zip)

1. Name and Address of Reporting Person* Deer VII & Co. L.P. (Last) (First) (Middle) C/O BESSEMER VENTURE PARTNERS 1865 PALMER AVENUE, SUITE 104 (Street) LARCHMONT NY 10538 (City) (State) (Zip)

1. Name and Address of Reporting Person* Deer VII & Co. Ltd. (Last) (First) (Middle) C/O BESSEMER VENTURE PARTNERS 1865 PALMER AVENUE, SUITE 104 (Street) LARCHMONT NY 10538 (City) (State) (Zip)

1. Name and Address of Reporting Person* Deer Management Co. LLC (Last) (First) (Middle) C/O BESSEMER VENTURE PARTNERS 1865 PALMER AVENUE, SUITE 104 (Street) LARCHMONT NY 10538 (City) (State) (Zip)

Explanation of Responses:

1. In connection with the closing of the initial public offering of the Issuer on February 1, 2012, Bessemer Venture Partners VII L.P. ("Bessemer VII") purchased 32,000 shares, Bessemer Venture Partners VII Institutional L.P. ("Bessemer VII Institutional") purchased 14,000 shares, and BVP VII Special Opportunity Fund L.P. ("BVP VII," and together with Bessemer VII and Bessemer VII Institutional, the "Funds") purchased 54,000 shares (collectively, the "IPO Shares").

2. Following the conversion of the Series A Preferred Stock reported on Table II of this report and prior to the acquisition of the IPO Shares, Bessemer VII owned 365,714 shares. Bessemer VII Institutional owned 160,000 shares. BVP VII owned 617,143 shares.

3. Following the conversion of the Series B Preferred Stock reported on Table II of this report and prior to the acquisition of the IPO Shares, Bessemer VII owned 228,571 shares. Bessemer VII Institutional owned 100,000 shares. BVP VII owned 385,714 shares.

4. Following the conversion of the Series C Preferred Stock reported on Table II of this report and prior to the acquisition of the IPO Shares, Bessemer VII owned 12,191 shares. Bessemer VII Institutional owned 5,333 shares. BVP VII owned 20,571 shares.

5. These securities are shares of Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock of the Issuer (collectively, the "Preferred Shares"), are convertible at any time at the holder's election and do not have an expiration date. At the closing of the Issuer's initial public offering on February 1, 2012, the Preferred Shares converted at a ratio of 3.5-to-1 into shares of common stock.

6. Bessemer VII owned 1,280,000 shares. Bessemer VII Institutional owned 560,000 shares. BVP VII owned 2,160,000 shares.

7. Bessemer VII owned 800,000 shares. Bessemer VII Institutional owned 350,000 shares. BVP VII owned 1,350,000 shares.

8. Bessemer VII owned 42,667 shares. Bessemer VII Institutional owned 18,667 shares. BVP VII owned 71,999 shares.

9. Deer VII & Co. L.P. ("Deer VII") is the general partner of each of the Funds. Deer VII & Co. Ltd. ("Deer Ltd.") is the general partner of Deer VII. Deer Management Co. LLC ("Deer Management") is the management company affiliate of the Funds. The Funds, together with Deer VII, Deer Ltd. and Deer Management, are the "Bessemer Entities." Deer VII disclaims beneficial ownership of the shares of common stock reported herein (the "Common Shares") and this report shall not be deemed an admission that such reporting person is the beneficial owner of such Common Shares, except to the extent of its pecuniary interest, if any, in the Common Shares by virtue of its general partner interests in the Funds.(Continued in Footnote 10)

10. Deer Ltd. disclaims beneficial ownership of the Common Shares and this report shall not be deemed an admission that such reporting person is the beneficial owner of such Common Shares, except to the extent of its pecuniary interest, if any, in the Common Shares by virtue of its general partner interest in Deer VII. Deer Management disclaims beneficial ownership of the Common Shares and this report shall not be deemed an admission that such reporting person is the beneficial owner of such Common Shares.

11. Stephen Kraus, an employee of Deer Management, serves as the representative of the Bessemer Entities on the Issuer's board of directors.

	/s/ J. Edmund Colloton, Director, Deer VII & Co. Ltd., the General Partner for Deer VII & Co. L.P., the General Partner for BVP VII Special Opportunity Fund L.P., Bessemer Venture Partners VII Institutional L.P. and Bessemer Venture Partners VII L.P.	02/03/2012
	/s/ J. Edmund Colloton, Director, Deer VII & Co. Ltd., the General Partner for Deer VII & Co. L.P.	02/03/2012
	/s/ J. Edmund Colloton, Director, Deer VII & Co. Ltd.	02/03/2012
	/s/ J. Edmund Colloton, Managing Member for Deer Management Co. LLC	02/03/2012
	** Signature of Reporting Person	Date
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