Item 7.01 Regulation FD Disclosure.

From March 2, 2026 through March 9, 2026, Aclaris Therapeutics, Inc. (the "Company") sold 12.7 million shares of its common stock, for aggregate gross proceeds of $39.8 million pursuant to the Company's amended and restated sales agreement with Leerink Partners LLC and Cantor Fitzgerald & Co. (the "Agents") dated February 27, 2025. The Agents have informed the Company that the shares were purchased by institutional investors including Deep Track Capital.

In accordance with General Instruction B.2. of Form 8-K, the information in this Item 7.01 shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any of the Company's filings under the Securities Act of 1933, as amended, or under the Exchange Act, whether made before or after the date hereof, regardless of any incorporation language in such a filing, except as expressly set forth by specific reference in such a filing.

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