CAMBRIDGE, Mass.--(BUSINESS WIRE)--Metabolix, Inc. (NASDAQ: MBLX), announced today that it has completed its initial public offering of 6,800,000 shares of Common Stock priced at $14.00 per share. The Company also announced that the underwriters have exercised their over-allotment option in full to purchase an additional 1,020,000 shares at the public offering price of $14.00 per share, less underwriting discounts and commissions. The shares trade on the NASDAQ Global Market under the symbol “MBLX.”