Seres Therapeutics(MCRB) - 2018 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-37465 Seres Therapeutics, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware 27-4326290 (State or Other Jurisdiction of Incorporation or Organization) 200 Sidney Street – 4th Floor Cambridge, Massachusetts 02139 (Address of Principal Executive Offices) (Zip Code) (IRS Employer Identifica ...