Winchester Bancorp SEC Filings
NASDAQ: WSBKFinanceBanksUSD
12.91+0.01 (+0.08%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Winchester Bancorp filing overview
This page lists 38 recent SEC filings by Winchester Bancorp (WSBK), including 14 8-K, 9 4, 5 10-Q, 2 DEF 14A. The latest annual report (10-K) was filed on Sep 16, 2026 for the period ending Jun 30, 2026. The most recent quarterly report (10-Q) was filed on May 13, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 30, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
WSBK SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Sep 30, 2026 | 8-K | Other Events | View on EDGAR |
| Sep 28, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Sep 16, 2026 | 10-K | Annual report | View on EDGAR |
| Jul 30, 2026 | 8-K | Results of Operations and Financial Condition; Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year | View on EDGAR |
| May 27, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 22, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 13, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 8, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 29, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Feb 11, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Jan 28, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Nov 13, 2025 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Nov 12, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Oct 22, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Oct 10, 2025 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Sep 17, 2025 | 10-K | Annual report | View on EDGAR |
| Sep 17, 2025 | 8-K | Other Events | View on EDGAR |
| Jul 30, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Jun 10, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 14, 2025 | SCHEDULE 13D | Beneficial ownership report (activist) | View on EDGAR |
| May 12, 2025 | 10-Q | Quarterly report | View on EDGAR |
| May 9, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 6, 2025 | 8-K | Other Events | View on EDGAR |
| May 6, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 30, 2025 | 8-K | Other Events | View on EDGAR |
| Apr 30, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Mar 27, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Mar 21, 2025 | 8-K | Other Events | View on EDGAR |
| Mar 20, 2025 | 424B3 | Prospectus | View on EDGAR |
| Mar 20, 2025 | 8-K | Other Events | View on EDGAR |
| Feb 21, 2025 | 424B3 | Prospectus | View on EDGAR |
| Feb 18, 2025 | 8-K | Entry into a Material Definitive Agreement | View on EDGAR |
| Feb 6, 2025 | S-1/A | Registration statement (amendment) | View on EDGAR |
| Jan 28, 2025 | S-1/A | Registration statement (amendment) | View on EDGAR |
| Dec 12, 2024 | S-1 | Registration statement | View on EDGAR |