FORM 10-K________________________________ For the fiscal year ended September30, 2025or For transition period fromtoCommission File Number 001-33390___________________________________________ TFS FINANCIAL CORPORATION (Exact Name of Registrant as Specified in its Charter)___________________________________________ 52-2054948(I.R.S. EmployerIdentification No.) United States of America(State or Other Jurisdiction ofIncorporation or Organization) 7007 Broadway AvenueCleveland, Ohio(Address of Principal Executive Offices) 44105(Zip Code) (216) 441-6000(Registrant’s telephone number, including area code) Securities registered pursuant to Section12(b) of the Act: Name of each exchange in which registered Trading Symbol(s)TFSL The NASDAQ Stock Market, LLC Securities registered pursuant to Section12(g) of the Act: None___________________________________________ Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.YesNoIndicate by check mark if the registrant is not required to file reports pursuant to Section13 or Section15(d) of the Act.YesNoIndicate by check mark whether the Registrant (1)has filed all reports required to be filed by Section13 or 15(d) of the Securities ExchangeAct of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2)hasbeen subject to such filing requirements for the past 90 days.YesNoIndicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit suchfiles).YesNoIndicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer", "accelerated filer,” "smaller reporting company,"and "emerging growth company" Rule 12b-2 of the Exchange Act: Large accelerated filerAccelerated filerNon-accelerated filerSmaller reporting company Emerging growth company If an emerging company, indicate by check mark if the registrant has elected not to use the extended transition period for complying withany new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered publicaccounting firm that prepared or issued its audit report. YesNo☐If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-basedcompensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act.)Yes☐No The aggregate market value of the voting and non-voting common equity held by non-affiliates of the Registrant, computed by reference tothe last sale price on March31, 2025, as reported by the NASDAQ Global Select Market, was approximately $647.7 million.At November21, 2025, there were 280,513,055 shares of the Registrant’s common stock, par value $0.01 per share, outstanding, of which 227,119.132 shares, or 80.97% of the Registrant’s common stock, were held by Third Federal Savings and Loan Association of Cleveland,MHC, the Registrant’s mutual holding company. DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant’s Proxy Statement for the 2025 Annual Meeting of Shareholders are incorporated by reference in Part IIIhereof to the extent indicated therein. TFS Financial Corporation INDEX PartI Item1.Item1A.Item 1B.Item 1C.Item 2.Item 3.Item 4. BusinessRisk FactorsUnresolved Staff CommentsCybersecurityPropertiesLegal ProceedingsMine Safety Disclosures Item 6.[Reserved]Item 7.Management’s Discussion and Analysis of Financial Condition and Results of OperationItem 7A.Quantitative and Qualitative Disclosures About Market RiskItem 8.Financial Statements and Supplementary DataItem 9.Changes in and Disagreements With Accountants on Accounting and Financial DisclosureItem 9A.Controls and ProceduresItem 9B.Other InformationItem 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections Part III Item 10.Directors, Executive Officers and Corporate Governance71Item 11.Executive Compensation73Item 12.Security Own