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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1113148	Infinity Pharmaceuticals Inc.	INFI	Pharmaceutical Preparations (2834)	330655706

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1300247	H Steven Holtzman	C/O Infinity Pharmaceuticals, Inc. 780 Memorial Drive Cambridge MA 02139		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2012-05-31	57,573	$13.01	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	3,945	Indirect	By IRA

Footnotes

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $13.00 to $13.15, inclusive. The reporting person undertakes to provide to Infinity Pharmaceuticals, Inc., any security holder of Infinity Pharmaceuticals, Inc. 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 ranges set forth in this footnote.
The reporting person no longer has a reportable beneficial interest in the shares of Infinity Pharmaceuticals, Inc. common stock owned by the Holtzman-Stewart 1996 Irrevocable Trust and included in the reporting person's prior ownership reports.