Executive Change · Company Update

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): July 27, 2025   Kennametal Inc. (Exact Name of Registrant as Specified in Its Charter)   Pennsylvania   1-5318    25-0900168 (State or Other Jurisdiction of Incorporation)   (Commission File Number)    (IRS Employer Identification No.)         525 William Penn Place      Suite 3300 Pittsburgh, Pennsylvania 15219 (Address of Principal Executive Offices)      (Zip Code) Registrant’s telephone number, including area code: ( 412 )  248-8000 (Former name, former address and former fiscal year, if changed since last report) 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)) Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). 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. ☐ Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol Name of each exchange on which registered Capital Stock, par value $1.25 per share KMT New York Stock Exchange Preferred Stock Purchase Rights   New York Stock Exchange Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On July 27, 2025, Steven H. Wunning provided notice to Kennametal Inc. that he does not intend to run for re-election to the Board of Directors of Kennametal Inc. ("the Board") at the Annual Meeting of Shareowners to be held in October 2025. He will retire from the Board at the end of that meeting. Mr. Wunning has been on the Board since 2005 and currently holds the position of Chairman of the Audit Committee. Item 8.01 Other Events. On July 29, 2025, the Board declared a quarterly cash dividend of $.20 per share. The dividend is payable on August 26, 2025 to shareholders of record as of the close of business on August 12, 2025. Item 9.01 Financial Statements and Exhibits. (d) Exhibits 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) Signatures Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.     KENNAMETAL INC.   Date: July 30, 2025 By:   /s/ Michelle R. Keating     Michelle R. Keating     Vice President, Secretary and General Counsel   3