0001557746 2026-08-04 2026-08-04 0001557746 1 2026-08-04 2026-08-04 0001557746 2 2026-08-04 2026-08-04 0001557746 3 2026-08-04 2026-08-04 0001557746 4 2026-08-04 2026-08-04 0001557746 5 2026-08-04 2026-08-04 0001557746 6 2026-08-04 2026-08-04 iso4217:USD pure S-3 S-3ASR EX-FILING FEES 0001557746 Aclaris Therapeutics, Inc. N/A N/A S-3 Aclaris Therapeutics, Inc. false Equity Common Stock, par value $0.000001 per share true 0.0001381 false Equity Preferred Stock, par value $0.000001 per share true 0.0001381 false Debt Debt Securities true 0.0001381 false Other Warrants true 0.0001381 false Other Units true 0.0001381 false Equity Common Stock, par value $0.000001 per share true 150000000.00 0.0001381 20715.00 150000000.00 20715.00 0.00 0.00 20715.00 There are being registered hereunder such indeterminate number of shares of common stock, such indeterminate number of shares of preferred stock, such indeterminate principal amount of debt securities, and such indeterminate number of warrants to purchase common stock, preferred stock or debt securities as may be sold from time to time by the Registrant. The securities registered hereunder also include such indeterminate number of shares of common stock, preferred stock and amount of debt securities as may be issued upon conversion of or exchange for debt securities that provide for conversion or exchange, upon exercise of warrants or pursuant to the antidilution provisions of any such securities. In addition, pursuant to Rule 416 under the Securities Act of 1933, as amended, or the Securities Act, the shares being registered hereunder include such indeterminate number of shares of common stock and preferred stock as may be issuable with respect to the shares being registered hereunder as a result of stock splits, stock dividends or similar transactions. The proposed maximum offering price per unit and maximum aggregate offering prices per class of securities will be determined from time to time by the Registrant in connection with the issuance by the Registrant of the securities registered hereunder and is not specified as to each class of security pursuant to General Instruction I.D. and Instruction 2.A.iii.c. to the Calculation of Filing Fee Tables and Related Disclosure under Item 16(b) of Form S-3 under the Securities Act. Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities. The Registrant is relying on Rules 456(b) and 457(r) under the Securities Act to defer payment of the entire registration fee other than the registration fee due in connection with $150,000,000 of shares of common stock that may be issued and sold from time to time under the sales agreement prospectus contained in this registration statement. The Registrant will pay any subsequent registration fees in connection with the securities offered hereby on a pay-as-you-go basis in accordance with Rule 456(b) under the Securities Act. The Registrant will calculate the registration fee applicable to an offer of securities pursuant to this registration statement based on the fee rate in effect on the date of such fee payment. See Offering Note 1. See Offering Note 1. See Offering Note 1. See Offering Note 1. The registration fee is calculated in accordance with Rule 457(o) under the Securities Act based on the proposed maximum aggregate offering price for the shares of common stock that may be issued and sold from time to time under the sales agreement prospectus contained in this registration statement.