Winchester Bancorp WSBK SEC Filings

NASDAQ WSBK
$13.01 +0.06 (+0.43%)
As of: Oct 22, 2026 · 3:47 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Winchester Bancorp, Inc./MD/ (WSBK) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001193125-26-408295Sep 30, 2026 7:20 AM
2DEF 14AOthers0001193125-26-403439Sep 28, 2026 12:22 PM
3ARSOthers0001193125-26-403437Sep 28, 2026 12:21 PM
410-KQuarterly & Annual Report0001193125-26-392194Sep 16, 2026 6:07 PM
58-KCurrent Report0001193125-26-324928Jul 30, 2026 11:42 AM
64Insider Transaction0001437749-26-018597May 27, 2026 8:54 PM
710-QQuarterly & Annual Report0001193125-26-221566May 13, 2026 4:02 PM
84Insider Transaction0001437749-26-015781May 8, 2026 2:06 PM
94Insider Transaction0001437749-26-015781May 8, 2026 2:06 PM
104Insider Transaction0001437749-26-014760May 5, 2026 1:37 PM
114Insider Transaction0001437749-26-014760May 5, 2026 1:37 PM
128-KCurrent Report0001193125-26-191386Apr 29, 2026 7:54 PM
1310-QQuarterly & Annual Report0001193125-26-046248Feb 11, 2026 7:26 PM
148-KCurrent Report0001193125-26-027185Jan 28, 2026 8:57 PM
158-KCurrent Report0001193125-25-279601Nov 13, 2025 5:52 PM
1610-QQuarterly & Annual Report0001193125-25-277465Nov 12, 2025 9:00 PM
178-KCurrent Report0001193125-25-246729Oct 22, 2025 7:57 PM
18DEF 14AOthers0001193125-25-236598Oct 10, 2025 2:00 PM
19ARSOthers0001193125-25-236599Oct 10, 2025 2:00 PM
208-KCurrent Report0001193125-25-206345Sep 17, 2025 9:14 PM
2110-KQuarterly & Annual Report0001193125-25-206332Sep 17, 2025 9:09 PM
228-KCurrent Report0000950170-25-100224Jul 30, 2025 8:07 PM
234Insider Transaction0001437749-25-019968Jun 10, 2025 7:44 PM
244Insider Transaction0001437749-25-019968Jun 10, 2025 7:44 PM
254Insider Transaction0001437749-25-019968Jun 10, 2025 7:44 PM
264Insider Transaction0001437749-25-017190May 15, 2025 8:15 PM
273Insider Transaction0001437749-25-016957May 14, 2025 11:10 PM
283Insider Transaction0001437749-25-016957May 14, 2025 11:10 PM
293Insider Transaction0001437749-25-016957May 14, 2025 11:10 PM
30SCHEDULE 13DBeneficial Ownership Report0000950170-25-071716May 14, 2025 10:36 PM
31SCHEDULE 13DBeneficial Ownership Report0000950170-25-071716May 14, 2025 10:36 PM
32SCHEDULE 13DBeneficial Ownership Report0000950170-25-071716May 14, 2025 10:36 PM
3310-QQuarterly & Annual Report0000950170-25-069255May 12, 2025 8:18 PM
344Insider Transaction0001437749-25-015727May 9, 2025 4:53 PM
353Insider Transaction0001437749-25-014976May 7, 2025 2:29 PM
363Insider Transaction0001437749-25-014976May 7, 2025 2:29 PM
373Insider Transaction0001437749-25-014976May 7, 2025 2:29 PM
383Insider Transaction0001437749-25-014975May 7, 2025 2:28 PM
393Insider Transaction0001437749-25-014974May 7, 2025 2:28 PM
403Insider Transaction0001437749-25-014974May 7, 2025 2:28 PM
413Insider Transaction0001437749-25-014974May 7, 2025 2:28 PM
428-KCurrent Report0000943374-25-000192May 6, 2025 9:19 PM
434Insider Transaction0001437749-25-014685May 6, 2025 4:24 PM
444Insider Transaction0001437749-25-014685May 6, 2025 4:24 PM
454Insider Transaction0001437749-25-014685May 6, 2025 4:24 PM
46CERTOthers0001354457-25-000369May 1, 2025 4:45 PM
473Insider Transaction0001437749-25-013944Apr 30, 2025 10:17 PM
483Insider Transaction0001437749-25-013943Apr 30, 2025 10:16 PM
493Insider Transaction0001437749-25-013943Apr 30, 2025 10:16 PM
503Insider Transaction0001437749-25-013943Apr 30, 2025 10:16 PM

Winchester Bancorp, Inc./MD/ SEC Filings API

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