Shareholder Vote

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): October 22, 2025 PARKER-HANNIFIN CORPORATION (Exact Name of Registrant as Specified in Charter) Ohio 1-4982 34-0451060 (State or other jurisdiction of Incorporation or Organization) (Commission File Number) (I.R.S. Employer Identification No.) 6035 Parkland Boulevard , Cleveland , Ohio 44124-4141 (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code: ( 216 ) 896-3000 Not Applicable (Former name or former address, 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: ☐ 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 Shares, $.50 par value PH 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 5.07.    Submission of Matters to a Vote of Security Holders. On October 22, 2025, at the 2025 Annual Meeting of Shareholders (the "2025 Annual Meeting") of the Company, the Company's shareholders considered three proposals, each of which is described more fully in the Company’s definitive proxy statement for the 2025 Annual Meeting. Set forth below are the final voting results on each matter submitted to a vote of the Company’s shareholders at the 2025 Annual Meeting. Proposal 1 . The Shareholders elected the following Directors for a term expiring at the Annual Meeting of Shareholders in 2026, as follows: Nominees For Against Abstentions Broker Non-Votes Denise Russell Fleming 104,676,163 724,974 211,866 8,832,563 Lance M. Fritz 104,467,901 1,022,961 122,141 8,832,563 Linda A. Harty 99,827,370 5,543,673 241,960 8,832,563 Kevin A. Lobo 99,318,585 6,091,601 202,817 8,832,563  Jennifer A. Parmentier 97,002,532 8,533,928 76,543 8,832,563 E. Jean Savage 104,886,841 553,210 172,952 8,832,563 Laura K. Thompson 104,672,846 732,600 207,557 8,832,563 James R. Verrier 102,987,723 2,482,560 142,720 8,832,563 James L. Wainscott 98,808,766 6,669,546 134,691 8,832,563 Beth A. Wozniak 102,916,998 2,472,208 223,797 8,832,563 Proposal 2 . The Shareholders approved, on a non-binding, advisory basis, the compensation of the Named Executive Officers of the Company, as follows: Votes For Votes Against Abstentions Broker Non-Votes 92,594,865 12,596,621 421,517 8,832,563 Proposal 3. The Shareholders ratified the appointment of Deloitte & Touche LLP as the Company's independent registered public accounting firm for the fiscal year ending June 30, 2026, as follows: Votes For Votes Against Abstentions Broker Non-Votes 110,701,509            3,514,930 229,127 — SIGNATURE 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. PARKER-HANNIFIN CORPORATION Date: October 28, 2025 By: /s/ Joseph R. Leonti Joseph R. Leonti Executive Vice President, General Counsel and Secretary