Winchester Bancorp, Inc./MD/

Symbol
WSBK on Nasdaq
Business address
661 Main Street, Winchester, MA, 01890
State of incorporation
MD
Fiscal year end
30 June
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Winchester Bancorp, Inc./MD/ has filed 49 SEC EDGAR filings since 12 Dec 2024

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open Document | Data Open Filing 8-K 13 Nov 2025 12 Nov 2025 001-42627
10-Q Open Document | Data Open Filing 10-Q 12 Nov 2025 30 Sep 2025 001-42627
8-K Open Document | Data Open Filing 8-K 22 Oct 2025 22 Oct 2025 001-42627
DEF 14A Open Document | Data Open Filing DEF 14A 10 Oct 2025 12 Nov 2025 001-42627
ARS Open Document Open Filing ARS 10 Oct 2025 30 Jun 2025 001-42627
8-K Open Document | Data Open Filing 8-K 17 Sep 2025 17 Sep 2025 001-42627
10-K Open Document | Data Open Filing 10-K 17 Sep 2025 30 Jun 2025 001-42627
8-K Open Document | Data Open Filing 8-K 30 Jul 2025 30 Jul 2025 001-42627
4 Open Document Open Filing FORM 4 10 Jun 2025 10 Jun 2025
4 Open Document Open Filing FORM 4 15 May 2025 14 May 2025
3 Open Document Open Filing FORM 3 14 May 2025 30 Apr 2025
SCHEDULE 13D Open Document Open Filing 14 May 2025 005-95022
10-Q Open Document | Data Open Filing 10-Q 12 May 2025 31 Mar 2025 001-42627
4 Open Document Open Filing FORM 4 09 May 2025 07 May 2025
3 Open Document Open Filing FORM 3 07 May 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 07 May 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 07 May 2025 30 Apr 2025
8-K Open Document | Data Open Filing WINCHESTER BANCORP, INC. FORM 8-K APRIL 30, 2025 06 May 2025 30 Apr 2025 001-42627
4 Open Document Open Filing FORM 4 06 May 2025 05 May 2025
CERT Open Document Open Filing 01 May 2025 001-42627
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
3 Open Document Open Filing FORM 3 30 Apr 2025 30 Apr 2025
8-A12B Open Document Open Filing WINCHESTER BANCORP, INC. FORM 8-A APRIL 30, 2025 30 Apr 2025 001-42627
8-K Open Document | Data Open Filing WINCHESTER BANCORP, INC. FORM 8-K APRIL 30, 2025 30 Apr 2025 30 Apr 2025 333-283752
8-K Open Document | Data Open Filing WINCHESTER BANCORP, INC. FORM 8-K APRIL 29, 2025 30 Apr 2025 29 Apr 2025 333-283752
10-Q Open Document | Data Open Filing 10-Q 27 Mar 2025 31 Dec 2024 333-283752
8-K Open Document Open Filing 8-K 21 Mar 2025 21 Mar 2025 333-283752
8-K Open Document Open Filing 8-K 20 Mar 2025 20 Mar 2025 333-283752
424B3 Open Document Open Filing 424B3 20 Mar 2025 333-283752
424B3 Open Document Open Filing 424B3 21 Feb 2025 333-283752
8-K Open Document | Data Open Filing 8-K 18 Feb 2025 11 Feb 2025 333-283752
EFFECT Open Document Open Filing 11 Feb 2025 333-283752
CORRESP Open Document Open Filing 07 Feb 2025
CORRESP Open Document Open Filing 07 Feb 2025
S-1/A Open Document Open Filing S-1/A 06 Feb 2025 333-283752
CORRESP Open Document Open Filing 28 Jan 2025
S-1/A Open Document | Data Open Filing S-1/A 28 Jan 2025 333-283752
UPLOAD Open Document Open Filing 08 Jan 2025 333-283752
S-1 Open Document Open Filing S-1 12 Dec 2024 333-283752