Certain Stock Options of Aclaris Therapeutics, Inc. are subject to a Lock-Up Agreement Ending on 8-SEP-2021. These Stock Options will be under lockup for 91 days starting from 9-JUN-2021 to 8-SEP-2021. Details: The company's officers, directors and holders of all or substantially all outstanding capital stock and other securities have agreed not to sell, offer, contract or grant any option to sell (including any short sale), pledge, transfer or otherwise dispose of any shares of common stock, options or warrants to acquire shares of common stock, or securities exchangeable or exercisable for or convertible into shares of common stock for a period of 90 days after the date of the prospectus without the prior written consent of the representatives on behalf of the underwriters.