Winchester Bancorp, Inc.
WSBK- Exchange
- Nasdaq
- Industry
- Savings Institutions, Not Federally Chartered
- SEC CIK
- 0002047235
No open-market purchases or sales by Winchester Bancorp, Inc. insiders were filed in the last 90 days; 21 institutions reported holding it in 13F filings for Q2 2026, worth $9.96M in total; no superinvestor holds it.
Members of Congress who traded WSBK
No member of Congress has reported a trade in Winchester Bancorp, Inc. since 2020.
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report.