Certain Options of NexImmune, Inc. are subject to a Lock-Up Agreement Ending on 11-AUG-2021. These Options will be under lockup for 181 days starting from 11-FEB-2021 to 11-AUG-2021.

Details:
Directors, executive officers and stockholders holding substantially all of shares of common stock outstanding (assuming conversion of all of outstanding shares of preferred stock and all of outstanding convertible promissory notes), and substantially all of option holders who are not also 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 180 days after the date of this prospectus, except with the prior written consent of each of Barclays Capital Inc. and Cantor Fitzgerald & Co. as the representatives of the underwriters and certain other exceptions. The representatives of the underwriters have advised that they have no current intent or arrangement to release any of the shares subject to the lock-up agreements prior to the expiration of the lock-up period.