Company facts
- Headquarters
- Winchester, Massachusetts
- Most recent report
- 8-K, filed Nov 5, 2026
- Incorporated
- Maryland
- Filings on record
- 79 filings
- On EDGAR
- CIK 2047235
- Fiscal year ends
- December
- Filer status
- Emerging growth company
Financials 8
News 8 of 16
Prospectuses and Registrations 6
- S-8 Registration statement for an employee plan Nov 4, 2026
- 424B3 Prospectus supplement for an offering Mar 20, 2025
- 424B3 Prospectus supplement for an offering Feb 21, 2025
- S-1/A Registration statement for an offering, amended Feb 6, 2025
- S-1/A Registration statement for an offering, amended Jan 28, 2025
- S-1 Registration statement for an offering Dec 12, 2024
Proxies 2
Ownership 8 of 38
- 4 Insider reported a trade Nov 6, 2026
- 4 Insider reported a trade Nov 6, 2026
- 4 Insider reported a trade Nov 6, 2026
- 4 Insider reported a trade Nov 6, 2026
- 4 Insider reported a trade Nov 6, 2026
- 4 Insider reported a trade Nov 6, 2026
- 4 Insider reported a trade Nov 6, 2026
- 4 Insider reported a trade Nov 6, 2026
Other 8 of 9
- ARS Annual report sent to shareholders Sep 28, 2026
- ARS Annual report sent to shareholders Oct 10, 2025
- CERT Exchange certified a listing May 1, 2025
- 8-A12B Registration of a security for exchange listing Apr 30, 2025
- EFFECT Notice that a registration became effective Feb 11, 2025
- CORRESP Reply to SEC staff Feb 7, 2025
- CORRESP Reply to SEC staff Feb 7, 2025
- CORRESP Reply to SEC staff Jan 28, 2025
Everything here comes from Winchester Bancorp, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.