{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-408295","form_type":"8-K","ticker":"WSBK","cik":"0002047235","company_name":"Winchester Bancorp, Inc./MD/","filed_at":"2026-09-30T11:20:52+00:00","discovered_at":"2026-09-30T11:25:00.356669+00:00","generated_at":"2026-10-12T13:57:20.500061+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Winchester Bancorp board approves buyback of up to 464,769 shares, about 5% of shares outstanding","bullets":["Board of Directors adopted a Share Repurchase Program authorizing repurchases of up to 464,769 shares of common stock, $0.01 par value, roughly 5% of current shares outstanding.","Program commences September 30, 2026 and expires September 1, 2027; it may be modified, suspended or discontinued at any time.","Timing and number of shares repurchased will depend on price, corporate and regulatory requirements, market conditions, and other liquidity requirements and priorities.","Filing signed by John A. Carroll, President and Chief Executive Officer, dated September 30, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-408295","json":"https://secwatch.observer/filing/0001193125-26-408295.json","markdown":"https://secwatch.observer/filing/0001193125-26-408295.md","text":"https://secwatch.observer/filing/0001193125-26-408295.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2047235/000119312526408295/0001193125-26-408295-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2047235/000119312526408295/wsbk-20260930.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-12T13:57:20.500061+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}