SAN DIEGO, Sept. 16, 2011 (GLOBE NEWSWIRE) -- Zogenix, Inc. (Nasdaq:ZGNX) announced today the pricing of its underwritten public offering of 30,000,000 shares of its common stock at $2.00 per share, before underwriting discounts and commissions. Zogenix has granted the underwriters a 30-day option to purchase up to 4,500,000 additional shares of common stock. All shares of the common stock to be sold in the offering are being offered by Zogenix.