(Mark One) ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____________ to ___________ Commission file number 333-91178 A.Full title of the plan and the address of the plan, if different from that of the issuer named below: Park National CorporationEmployees Stock Ownership Plan B.Name of issuer of the securities held pursuant to the plan and the address of its principal executive office: Park National Corporation51 North Third StreetNewark, Ohio 43055 REQUIRED INFORMATION The following financial statements and supplemental schedules for the Park National Corporation Employees Stock Ownership Planare being filed herewith: Audited Financial Statements: Report of Independent Registered Public Accounting Firm - Crowe LLPStatements of Net Assets Available for Benefits at December 31, 2025 and 2024Statements of Changes in Net Assets Available for Benefits for the Years Ended December 31, 2025 and 2024Notes to Financial Statements - December31, 2025 and 2024Supplemental Schedules: Schedule of Reportable Transactions, Schedule H, Line 4(j) - Year Ended December 31, 2025 The following exhibit is being filed herewith: Exhibit No. SIGNATURES The Plan. Pursuant to the requirements of the Securities Exchange Act of 1934, the trustees (or other persons who administer theemployee benefit plan) have duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized. PARK NATIONAL CORPORATIONEMPLOYEES STOCK OWNERSHIP PLANBy THE PARK NATIONAL BANK, Trustee Date: June 24, 2026 By:/s/ Brady T. BurtPrinted Name:Brady T. BurtTitle: Chief Financial Officer Financial Statements and Supplemental Schedules Park National CorporationEmployees Stock Ownership Plan REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM The Executive Committee of the Board of Directors of Park National Corporation and Plan Administrator of the Park National CorporationEmployees Stock Ownership Plan Opinion on the Financial Statements We have audited the accompanying statements of net assets available for benefits of Park National Corporation Employees Stock OwnershipPlan (the "Plan") as of December 31, 2025 and 2024, the related statements of changes in net assets available for benefits for the years thenended, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in allmaterial respects, the net assets available for benefits of the Plan as of December 31, 2025 and 2024, and the changes in 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 on the Plan's financialstatements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (UnitedStates) ("PCAOB") and are required to be independent with respect to the Plan in accordance with the U.S. federal securities laws and the We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtainreasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Plan is notrequired to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits, we are requiredto obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness ofthe Plan’s internal control over financial reporting. Accordingly, we express no such opinion. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error orfraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding theamounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significantestimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a Supplemental Information The supplemental Schedule H, Line 4i – Schedule of Assets (Held at End of Year) and Schedule H, Line 4j – Schedule of ReportableTransactions as of December 31, 2025 and for the year then ended have been subjected to audit procedures performed in conjunction with theaudit of Park National Corporation Employees Stock Ownership Plan’s financial statements. The supplemental schedules are the responsibilityof the Plan’s management. Our audit procedures included determining whether the information presented in the supplemental schedulesreconciles to the financial