NEW HAVEN, Conn., Feb. 2, 2010 (GLOBE NEWSWIRE) -- Achillion Pharmaceuticals, Inc. (Nasdaq:ACHN), a leader in the discovery and development of treatments for the most challenging infectious diseases, today announced that it closed the sale of an additional 1,541,250 shares of its common stock in connection with the exercise of the over-allotment option granted to the underwriters of its recent offering of 10,275,000 shares of common stock. Upon closing of the purchase of the over-allotment shares, a total of 11,816,250 shares of common stock have been sold, resulting in gross proceeds of $24.6 million, before commissions and expenses, and net proceeds before expenses of $22.9 million. Roth Capital Partners acted as sole book-running manager for the offering, and Noble Financial Capital Markets and National Securities acted as co-managers.
