Certain Stock Options of Acumen Pharmaceuticals, Inc. are subject to a Lock-Up Agreement Ending on 17-SEP-2023. These Stock Options will be under lockup for 61 days starting from 18-JUL-2023 to 17-SEP-2023.

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 (the ?Lock-up Period?) after the date of this prospectus without first obtaining the written consent of BofA Securities.