Winchester Bancorp Inc 2024年度报告

(Exact name of Registrant as specified in its Charter) Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.YES☐NO☒ Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act.YES☒NO☐ Indicate by check mark whether the Registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.YES☒NO☐ Indicate 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(§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit such files).YES☒NO☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growthcompany. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the ExchangeAct. Large accelerated filer☐Accelerated filer☐Non-accelerated filer☒Smaller reporting company☒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 financialaccounting 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 financialreporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.☐ 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 thecorrection 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-based compensation received by any of theregistrant’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, based on the closing price of the shares of common stock asof May 2, 2025, the first day of trading of the registrant's common stock, was $33.6million.The number of shares of Registrant’s Common Stock outstanding as of September 8, 2025 was9,295,376. Portions of the Proxy Statement for the 2025 Annual Meeting of Shareholders are incorporated by reference in Part III of this Annual Report on Form 10-K. Table of Contents PART I Item 1.BusinessItem 1A.Risk FactorsItem 1B.Unresolved Staff CommentsItem 1C.CybersecurityItem 2.PropertiesItem 3.Legal ProceedingsItem 4.Mine Safety Disclosures PART II Item 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of EquitySecurities42Item 6.[Reserved]42Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations43Item 7A.Quantitative and Qualitative Disclosures About Market Risk53Item 8.Financial Statements and Supplementary Data53Item 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure53Item 9A.Controls and Procedures53Item 9B.Other Information54Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections54 PART III Item 10.Directors, Executive Officers and Corporate Governance55Item 11.Executive Compensation55Item 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters55Item 13.Certain Relationships and Related Transactions, and Director Independence55Item 14.Principal Accounting Fees and Services55 PART IV Item 15.Exhibits, Financial Statement Schedules56Item 16.Form 10-K Summary57 PART I This annual report contains forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of1934 (the “Exchange Act”), which can be identified by the use of words such as “anticipate,” “assume,” “believe,” “contemplate,”“continue,” “estimate,” “expect,” “indicate,” “intend,” “may,” “plan,” “project,” “seek,” “should,” “target,” “will,” “would” andwords of similar meaning. These forward-looking statements include, but are not limited to: •statements of our goals, intentions and expectations;•statements regarding