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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1526119	Verastem Inc.	VSTM	Pharmaceutical Preparations (2834)	273269467

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1291961	H Christoph Westphal	C/O Verastem, Inc., 215 First Street, Suite 440 Cambridge MA 02142	Chief Executive Officer	Yes	Yes	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2013-05-13	9	$9.70	703,698	No	4	L	Direct
Common Stock	Acquisiton	2013-05-13	200	$9.77	703,898	No	4	L	Direct
Common Stock	Acquisiton	2013-05-13	400	$9.78	704,298	No	4	L	Direct
Common Stock	Acquisiton	2013-05-13	100	$9.79	704,398	No	4	L	Direct
Common Stock	Acquisiton	2013-05-13	91	$9.87	704,489	No	4	L	Direct
Common Stock	Acquisiton	2013-05-21	800	$9.24	705,289	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	L	Direct
No	4	L	Direct
No	4	L	Direct
No	4	L	Direct
No	4	L	Direct
No	4	P	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	2,869,841	Indirect	By Longwood Fund, L.P.
Common Stock	125,714	Indirect	By the Fountain Irrevocable Trust of 2010

Footnotes

The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on November 20, 2012.
Represents a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $9.23 to $9.27, inclusive. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote 2 to this Form 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 Shares"). Each of the Managers disclaims beneficial ownership of the Longwood Shares, except to the extent of their respective pecuniary interest therein, and the inclusion of the Longwood Shares in this report shall not be deemed an admission of beneficial ownership of the Longwood Shares for purposes of Section 16 or for any other purpose.