TENNANT CO 10-Q

Item 5. Other Information On March 3, 2026, Donal L. Mulligan, a member of the Board of Directors, terminated a Rule 10b5-1 trading arrangement that had been adopted on March 6, 2024 and provided for the sale of up to 3,538 shares of the Company's common stock until April 28, 2026. During the three months ended March 31, 2026, no other director or officer of the Company adopted , modified or terminated a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement," as each term is defined in Item 408(a) of Regulation S-K. 33 Table of Contents Item 6. Exhibits Item # Description Method of Filing 3.1 Restated Articles of Incorporation Incorporated by reference to Exhibit 3i to the Company’s report on Form 10-Q for the quarterly period ended June 30, 2006. 3.2 Amended and Restated By-Laws Incorporated by reference to Exhibit 3.2 to the Company’s Form 8-K dated January 19, 2023. 3.3 Articles of Amendment of Restated Articles of Incorporation of Tennant Company Incorporated by reference to Exhibit 3iii to the Company's report on Form 10-Q for the quarterly period ended March 31, 2018. 10.1 Cooperation Agreement, dated as of February 12, 2026, by and among Tennant Company, Vision One Fund, LP, and certain of its affiliates listed on the signature pages thereto Incorporated by reference to Exhibit 10.1 to the Company's 8-K dated February 13, 2026. 31.1 Rule 13a-14(a)/15d-14(a) Certification of CEO Filed herewith electronically. 31.2 Rule 13a-14(a)/15d-14(a) Certification of CFO Filed herewith electronically. 32.1 Section 1350 Certification of CEO Filed herewith electronically. 32.2 Section 1350 Certification of CFO Filed herewith electronically. 101 The following financial information from Tennant Company's Quarterly Report on Form 10-Q for the period ended March 31, 2026, formatted in Inline eXtensible Business Reporting Language (iXBRL): (i) Consolidated Statements of Income for the three months ended March 31, 2026 and 2025; (ii) Consolidated Statements of Comprehensive Income for the three months ended March 31, 2026 and 2025; (iii) Consolidated Balance Sheets as of March 31, 2026 and December 31, 2025; (iv) Consolidated Statements of Cash Flows for the three months ended March 31, 2025 and 2025; (v) Consolidated Statements of Equity for the three months ended March 31, 2026 and 2025; and (vi) Notes to the Consolidated Financial Statements Filed herewith electronically. 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) Filed herewith electronically. 34 Table of Contents 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 thereunto duly authorized. TENNANT COMPANY Date: May 5, 2026 /s/ Fay West Fay West Senior Vice President and Chief Financial Officer (Principal Financial and Accounting Officer) 35 Table of Contents HIDDEN IXBRL 36