Worthington Steel Inc 2025年度报告

FORM 11-K (Mark One)ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 For the transition period fromto Commission File Number 033-275817 A.Full title of the plan and the address of the plan, if different from that of the issuer named below: WORTHINGTON STEEL, INC.401(K) RETIREMENT SAVINGS PLAN B.Name of issuer of the securities held pursuant to the plan and the address of its principal executive office: Worthington Steel, Inc.100 W. Old Wilson Bridge RoadColumbus, OH 43085 TABLE OF CONTENTS The Financial Statements and Supplemental Schedule for the Worthington Steel, Inc. 401(k) Retirement Savings Plan identifiedbelow are being filed with this Annual Report on Form 11-K: SignaturesiiReport of Independent Registered Public Accounting Firm2Financial Statements:Statements of Net Assets Available for Benefits as of December 31, 2025 and 20243Statements of Changes in Net Assets Available for Benefits for the Years Ended December 31, 2025 and 20244Notes to Financial Statements5Supplemental Schedule:Schedule of Assets Held for Investment Purposes at End of Year as of December 31, 202513Exhibit 23: Consent of Independent Registered Public Accounting Firm – Meaden & Moore, Ltd. 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. WORTHINGTON STEEL, INC.401(K) RETIREMENT SAVINGS PLAN FINANCIAL STATEMENTS AND SUPPLEMENTAL SCHEDULEWITHREPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM December 31, 2025 and 2024 Report of Independent Registered Public Accounting Firm To the Plan Administrator and Plan Participants ofWorthington Steel, Inc. 401(k) Retirement Savings Plan Opinion on the Financial Statements We have audited the accompanying statements of net assets available for benefits of Worthington Steel, Inc. 401(k) RetirementSavings Plan (the “Plan”) as of December 31, 2025 and 2024 and the related statements of changes in net assets available forbenefits for the years then ended, and the related notes and schedules(collectively referred to as the "financial statements"). In ouropinion, the financial statements present fairly, in all material respects, the net assets available for benefits of the Plan as ofDecember 31, 2025 and 2024, and the changes in net assets available for benefits for the years then ended, in conformity withaccounting principles generally accepted in the United States of America. Basis for Opinion These financial statements are the responsibility of the Plan's management. Our responsibility is to express an opinion on the Plan’sfinancial statements based on our audits. We are a public accounting firm registered with the Public Company AccountingOversight Board (United States) ("PCAOB") and are required to be independent with respect to the Plan in accordance with theU.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB. We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform theaudits to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to erroror fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due toerror or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidenceregarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principlesused and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. Webelieve that our audits provide a reasonable basis for our opinion. Supplemental Information The supplemental Schedule of Assets Held for Investment Purposes at End of Year as of December 31, 2025 has been subjected toaudit procedures performed in conjunction with the audit of the Plan’s financial statements. The supplemental information is theresponsibility of the Plan’s management. Our audit procedures included determining whether the supplemental informationreconciles to the financial statements or the underlying accounting and other records, as applicable, and performing procedures totest the completeness and accuracy of the information presented in the supplemental information. In forming our opinion on thesupplemental information, we evaluated whether the supplemental information, including its form and content, is presented inconformity with Department of Labor’s (DOL) Rules and Regulations for Reporting and Disclosure under the Empl