Reg FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549       FORM 8-K   CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934   Date of Report (Date of earliest event reported)     February 3, 2026      TENNANT COMPANY (Exact name of registrant as specified in its charter)   Minnesota 1-16191 41-0572550 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)   10400 Clean Street Eden Prairie , Minnesota 55344 (Address of principal executive offices) (Zip Code)   Registrant’s telephone number, including area code 763   540-1200   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 ( see General Instruction A.2. below):   ¨ 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))   Securities registered pursuant to Section 12(b) of the Act:   Title of each class   Trading Symbol(s)   Name of each exchange on which registered Common Stock, par value $0.375 per share   TNC   New York Stock Exchange   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).   Emerging growth company   ¨   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. ¨             Item 7.01. Regulation FD Disclosure .   Tennant Company (the “Company”) has determined to hold its 2026 annual meeting of shareholders (the “2026 Annual Meeting”) on Wednesday, April 29, 2026 at a time to be specified in the Company’s proxy statement for the 2026 Annual Meeting.   Shareholders seeking to nominate director candidates to be considered at the 2026 Annual Meeting must submit the information required under the Company’s Restated Articles of Incorporation no later than February 13, 2026.   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, nor shall it be deemed incorporated by reference into any filings under the Securities Act of 1933, as amended.         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.     Tennant Company       Date: February 3, 2026 By: /s/ Fay West     Fay West     Senior Vice President and Chief Financial Officer