CAMBRIDGE, Mass.--(BUSINESS WIRE)--Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres”), a leading microbiome therapeutics platform company developing a novel class of biological drugs that are designed to treat disease by restoring the function of a dysbiotic microbiome, today announced that it is commencing an underwritten registered public offering of $60.0 million of shares of its common stock. As part of this offering, Seres intends to grant the underwriters a 30-day option to purchase up to an additional $9.0 million of shares of its common stock. All of the shares in the proposed offering are to be sold by Seres.

Goldman Sachs & Co. LLC and Cowen and Company, LLC are acting as joint book-running managers for the offering. The offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.