CAMBRIDGE, Mass.--(BUSINESS WIRE)--Infinity Pharmaceuticals, Inc. (NASDAQ: INFI) today announced the closing of its previously announced underwritten registered public offering of common stock. The total number of shares of common stock sold was 6,551,461, composed of 5,696,923 shares of common stock initially offered and an additional 854,538 shares of common stock sold pursuant to the exercise of the underwriters’ over-allotment option, in each case at a public offering price of $26.33 per share. All of the shares in the offering were sold by Infinity. The gross proceeds to Infinity from the offering, before deducting underwriting discounts and commissions and offering expenses, are approximately $172.5 million.