Evelo Biosciences(EVLO) - 2019 Q4 - Annual Report

Table of Contents Non-accelerated filer ☐ Smaller reporting company x UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES For the Fiscal Year Ended December 31, 2019 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES AND EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38473 Evelo Biosciences, Inc. (Exact name of registrant as specified in its cha ...