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Company · WSBK · CIK 2047235

Winchester Bancorp, Inc./MD/ (WSBK) SEC filings and CIK.

WSBK’s SEC Central Index Key (CIK) is 0002047235, or 2047235 without leading zeros. The SEC’s ticker file lists it as Winchester Bancorp, Inc./MD/.

Ticker
WSBK
CIK
0002047235
Other tickers
None
Insider transactions, Q3 2026
None loaded

Recent filings we observed

From our record of EDGAR’s latest-filings feed and sampled daily indexes. Not a complete filing history; use the filings API for that.
FiledFormAccession
2026-11-0640001193125-26-451360
2026-11-0640001193125-26-451355
2026-11-0640001193125-26-451349
2026-11-0640001193125-26-451343
2026-11-0640001193125-26-451315
2026-11-0640001193125-26-451311
2026-11-0640001193125-26-451303
2026-11-0640001193125-26-451286
2026-11-0640001193125-26-451270
2026-11-0640001193125-26-451145
2026-11-0640001193125-26-451132
2026-11-0640001193125-26-451122

Get WSBK SEC data through the API

Filing history
curl "https://sec-api.dev/api/v1/filings?cik=2047235&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"
Company profile
curl "https://sec-api.dev/api/v1/companies/2047235" \
  -H "Authorization: Bearer $SEC_API_KEY"
Reported XBRL facts
curl "https://sec-api.dev/api/v1/facts/2047235?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Winchester Bancorp, Inc./MD/ on SEC.gov

Questions

What is WSBK’s CIK number?

WSBK’s SEC Central Index Key (CIK) is 0002047235, or 2047235 without leading zeros. The SEC’s ticker file lists it as Winchester Bancorp, Inc./MD/.

How do I find Winchester Bancorp, Inc./MD/’s 10-K?

Request /api/v1/filings?cik=2047235&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.

Ticker and CIK: SEC company_tickers.json, cached 2026-11-02. Tickers can move between entities; the CIK identifies the filer.

Plain-text version for agents and LLMs: /companies/wsbk.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.