NEWTON, Mass.--(BUSINESS WIRE)--Galectin Therapeutics Inc. (NASDAQ: GALT) (NASDAQ: GALTU) announced the full exercise of the over-allotment option granted to the underwriter to purchase 173,916 additional units, at a public offering price of $9.00 per unit, less the underwriting discount, in connection with its previously announced underwritten public offering of 1,159,445 units, bringing total gross proceeds from the offering to approximately $12 million.