ATRC: Financial results

Item 2.02. Results of Operations and Financial Condition. On November 3, 2026 , AtriCure, Inc. issued a press release regarding its financial results for the third quarter ended September 30, 2026. The Company will hold a conference call on November 3, 2026 at 4:30 p.m. Eastern Time to discuss the financial results. A copy of the press release is furnished as Exhibit 99.1 to this Form 8-K and is incorporated herein by reference. The information in Item 2.02 of Form 8-K and in the press release attached as Exhibit 99.1 is being furnished and 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 liabilities of that Section. The information in Item 2.02 of this Form 8-K and Exhibit 99.1 shall not be incorporated by reference in any filing or other document under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in any such filing or document. Item 9.01. Financial Statements and Exhibits. (d) Exhibits No. Description 99.1 Press Release dated November 3 , 2026, relating to financial results for the third quarter ended September 30, 2026. 104 Cover Page Interactive Data File--the cover page XBRL tags are embedded within the Inline XBRL document. 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. ATRICURE, INC. Dated: November 3, 2026 By: /s/ Angela L. Wirick Angela L. Wirick Chief Financial Officer