Certain Common Stock of Molecular Templates, Inc. are subject to a Lock-Up Agreement Ending on 20-APR-2021. These Common Stock will be under lockup for 61 days starting from 18-FEB-2021 to 20-APR-2021. Details: Executive officers and directors have agreed not to sell or transfer any common stock or securities convertible into, exchangeable for, exercisable for, or repayable with common stock, for 60 days after the date of this prospectus supplement without first obtaining the written consent of BofA Securities, Inc. and Cowen and Company, LLC.