PALO ALTO, Calif.--(BUSINESS WIRE)--Affymax, Inc. (Nasdaq:AFFY) today announced the closing of its underwritten public offering of 4,726,027 shares of its common stock, which includes the full exercise of the underwriter’s overallotment option of 616,438 shares. The net proceeds to the company after deducting underwriting discounts and commissions and estimated offering expenses are approximately $80.0 million.
