派克汉尼汾 2025年度报告

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December31, 2025 OR TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromtoCommission file number 1-4982 A.Full title of the plan and the address of the plan, if different from that of the issuer named below: PARKER RETIREMENT SAVINGS PLAN B.Name of issuer of the securities held pursuant to the plan and the address of its principal executive office: PARKER-HANNIFIN CORPORATION6035 PARKLAND BOULEVARDCLEVELAND, OHIO 44124-4141 Parker Retirement Savings Plan Index of Financial Statements Report of Independent Registered Public Accounting Firm Financial Statements:Statements of Net Assets Available for Benefits at December31, 2025 and 2024Statement of Changes in Net Assets Available for Benefits for the Year Ended December31, 2025 Supplemental Schedule:Schedule H, Line 4i -- Schedule of Assets (Held at End of Year) REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Participants and Administrator ofthe Parker Retirement Savings Plan Opinion on the Financial Statements We have audited the accompanying Statements of Net Assets Available for Benefits of the Parker Retirement SavingsPlan (the “Plan”) as of December31, 2025 and 2024, and the related Statement of Changes in Net Assets Available forBenefits for the year ended December31, 2025, and the related notes (collectively referred to as the “financialstatements”). In our opinion the financial statements present fairly, in all material respects, the net assets available for Basis for Opinion These financial statements are the responsibility of the Plan’s management. Our responsibility is to express an opinion onthe Plan’s financial statements based on our audits. We are a public accounting firm registered with the Public CompanyAccounting Oversight Board (United States) (“PCAOB”) and are required to be independent with respect to the Plan in We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan andperformthe audits to obtain reasonable assurance about whether the financial statements are free of materialmisstatement, whether due to error or fraud. The Plan is not required to have, nor were we engaged to perform, an auditof its internal control over financial reporting. As part of our audit, we are required to obtain an understanding of internal Our audits included performing procedures to assess the risks of material misstatement of the financial statements,whether due to error or fraud, and performing procedures that respond to those risks. Such procedures includedexamining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also Supplemental Information The supplemental information in the accompanying Schedule of Assets (Held at End of Year) as of December31, 2025has been subjected to audit procedures performed in conjunction with the audit of the Plan’s financial statements. Thesupplemental information is the responsibility of the Plan’s management. Our audit procedures included determiningwhether the supplemental information reconciles to the financial statements or the underlying accounting and other Income Security Act of 1974. In our opinion, the supplemental information is fairly stated, in all material respects, in We have served as the Plan’s auditor since 2019. /s/ BOBER, MARKEY, FEDOROVICH & COMPANYCleveland, OhioJune24, 2026 Parker Retirement Savings Plan Notes to Financial StatementsDecember 31, 2025 and 2024(Dollars in thousands) 1. Description of the Plan General The Parker Retirement Savings Plan ("the Plan") is sponsored by Parker Hannifin Corporation ("the Company"). The Planis subject to Sections 401(a) and 401(k) of the Internal Revenue Code and the provisions of the Employee RetirementIncome Security Act of 1974 ("ERISA"), as amended. The following description of the Plan provides only general The Plan is a defined contribution plan available to U.S. domestic regular full-time and part-time non-union employees,and some union employees (if negotiated). Employees are eligible for participation in the Plan from their date of hire andare generally automatically enrolled in the Plan after completion of 30 days from the initial hire or rehire date. A separate Participant Contributions Participants may elect to contribute, through payroll deductions, not less than one percent nor more than 75 percent oftheir total compensation for a plan year, and may change such percentage upon request. Participants can elect to makebefore-tax,after-tax,and/or Roth contributions.Employee contributions and their associated Company matching Participants may designate one or more of several available funds within the Plan in which their contributions are to beinvested, and may suspend thei