Results of Operations

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):  May 14, 2026 ________________________________________________    WOLVERINE WORLD WIDE, INC. (Exact name of registrant as specified in its charter)   Delaware 001-06024 38-1185150 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 9341 Courtland Drive N.E. , Rockford , Michigan 49351 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code:  (616) 866-5500 ________________________________________________ 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 Name of each exchange on which registered Common Stock, $1 Par Value WWW 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 2.02 Results of Operations and Financial Condition.   On May 14, 2026, Wolverine World Wide, Inc. (the “Company”) issued a press release announcing its financial results for the Company’s first quarter of 2026, attached as Exhibit 99.1 to this Current Report on Form 8-K (the “8-K”), which is hereby incorporated by reference.  This 8-K and Exhibit 99.1 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. Item 9.01 Financial Statements and Exhibits. (d) Exhibits: 99.1 Press Release dated May 14 ,2026. 104 The cover page from this Current Report on Form 8-K, formatted in Inline XBRL (included as Exhibit 101).   2 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. Dated: May 14, 2026 WOLVERINE WORLD WIDE, INC. (Registrant)           /s/ Taryn L. Miller   Taryn L. Miller   Chief Financial Officer 3