Certain Stock Options of Aligos Therapeutics, Inc. are subject to a Lock-Up Agreement Ending on 30-AUG-2021. These Stock Options will be under lockup for 61 days starting from 30-JUN-2021 to 30-AUG-2021. Details: The company's directors and executive officers and certain affiliated stockholders have agreed, subject to certain exceptions, with the underwriters not to dispose of or hedge any shares of common stock or securities convertible into or exchangeable for shares of common stock during the period from the date of the lock-up agreement continuing through the date 60 days after the date of this prospectus, except with the prior written consent of J.P. Morgan Securities LLC, Jefferies LLC, and Piper Sandler & Co.