Winchester Bancorp posts Q4 2025 results update

Winchester Bancorp, Inc., the holding company for Winchester Savings Bank, filed a current report to note that it has released financial results for the quarter ended December 31, 2025.

Rhea-AI Filing Summary

Winchester Bancorp, Inc., the holding company for Winchester Savings Bank, filed a current report to note that it has released financial results for the quarter ended December 31, 2025. The company issued a press release on January 28, 2026, and attached it as an exhibit for investors who want more detail.

The report clarifies that the press release is provided as supplemental information and is not treated as a formally filed document under certain securities law sections.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Winchester Bancorp (WSBK) disclose in this 8-K filing?

Winchester Bancorp disclosed that it issued a press release reporting financial results for the quarter ended December 31, 2025. The 8-K mainly serves to furnish this press release as an exhibit.

Which period’s results does Winchester Bancorp (WSBK) address in the press release?

The press release covers Winchester Bancorp’s financial results for the quarter ended December 31, 2025. This period aligns with the company’s fourth-quarter performance for that year.

When did Winchester Bancorp (WSBK) issue the press release on its results?

Winchester Bancorp issued the press release on January 28, 2026. That same date appears on the exhibit description and the signature block of the current report.

How is the Winchester Bancorp (WSBK) press release treated under securities laws?

The press release is furnished as an exhibit and is not deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934. It is also not automatically incorporated into Securities Act filings.

What exhibit is included with this Winchester Bancorp (WSBK) 8-K?

The 8-K includes Exhibit 99.1, described as a press release dated January 28, 2026. That exhibit contains the detailed financial results for the quarter ended December 31, 2025.

Who signed the Winchester Bancorp (WSBK) 8-K current report?

The report was signed on behalf of Winchester Bancorp, Inc. by John A. Carroll. He is identified in the filing as the company’s President and Chief Executive Officer.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/28/2026 - 03:57 PM Learn about SEC filing dates

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 28, 2026

Winchester Bancorp, Inc.

(Exact name of Registrant as Specified in Its Charter)

Maryland			001-42627	33-3361275
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
661 Main Street
Winchester, Massachusetts				01890
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: (781) 729-2130

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, par value $0.01 per share		WSBK		The Nasdaq Stock Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

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 financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

On January 28, 2026, Winchester Bancorp, Inc., the holding company for Winchester Savings Bank, issued a press release reporting its financial results for the quarter ended December 31, 2025.

A copy of the press release announcing the results is included as Exhibit 99.1 to this Current Report on Form 8-K and shall not be deemed "filed" for purposes of section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No. Description

99.1 Press Release dated January 28, 2026

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		Winchester Bancorp, Inc.
Date: January 28, 2026		By:	/s/ John A. Carroll
			John A. Carroll
			President and Chief Executive Officer