Winchester Bancorp, Inc./MD/ — SCHEDULE 13D Filings

1 SCHEDULE 13D filing on record

This page lists all SCHEDULE 13D filings submitted to the SEC by Winchester Bancorp, Inc./MD/ (WSBK), sorted by most recent first. Each row links to the full filing on EdgarLookup. Winchester Bancorp, Inc./MD/ has filed 1 SCHEDULE 13D document with the SEC since 2024. To view all SEC filings by Winchester Bancorp, Inc./MD/, see the full filings list.

Overview All Filings Financials Insiders

All 10-K 10-Q 3 4 424B3 8-A12B 8-K ARS CERT CORRESP DEF 14A EFFECT S-1 S-1/A SCHEDULE 13D UPLOAD

Form	Description	Accession Number	Filed	Period
SCHEDULE 13D	—	0000950170-25-071716	May 14, 2025	—