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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

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Date of Report (Date of earliest event reported): March 14, 2024

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Aclaris Therapeutics, Inc.

(Exact name of registrant as specified in its charter)

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701 Lee Road, Suite 103

Wayne, PA 19087

(Address of principal executive offices, including zip code)

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(484) 324-7933

(Registrant’s telephone number, including area code)

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N/A

(Former name or former address, if changed since last report)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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Securities registered pursuant to Section 12(b) of the Act: 

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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Emerging growth company ☐

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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

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(b)Resignation of Andrew Powell as Director

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On March 14, 2024, Andrew Powell, a member of the board of directors (the “Board”) of Aclaris Therapeutics, Inc. (the “Company”), notified the Company of his intent to resign as a member of the Board, effective as of the date of the Company’s 2024 Annual Meeting of Stockholders, which is expected to be held on June 6, 2024 (the “Annual Meeting”). Mr. Powell’s resignation from the Board was not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices.

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Decision of Bryan Reasons Not to Stand for Re-election to the Board

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Also on March 14, 2024, Bryan Reasons, a member of the Board, notified the Company that he will not stand for re-election as a director of the Company upon the expiration of his current term, which expires at the Annual Meeting. Mr. Reasons’ refusal to stand for re-election was not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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