{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-031417","form_type":"8-K","ticker":"WSBF","cik":"0001569994","company_name":"Waterstone Financial, Inc.","filed_at":"2025-10-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.782574+00:00","generated_at":"2026-05-17T03:01:40.491941+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Waterstone Financial Director Michael Hansen to Retire; Piotrowski Named Audit Committee Chair","bullets":["Michael Hansen resigns as Audit Committee Chair effective Oct 21, 2025; will retire from Board on Dec 31, 2025.","Laura Piotrowski appointed Chairperson of Audit Committee; she joined Board July 8, 2025.","Hansen's departure not due to disagreement; he continues on Audit, Executive, and Nominating Committees until retirement.","Piotrowski is CEO/President of Cavendish Vernal; previously CFO at Stein's Garden & Home and Managing Director at Robert W. Baird."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-031417","json":"https://secwatch.observer/filing/0001437749-25-031417.json","markdown":"https://secwatch.observer/filing/0001437749-25-031417.md","text":"https://secwatch.observer/filing/0001437749-25-031417.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1569994/000143774925031417/0001437749-25-031417-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1569994/000143774925031417/wsbf20251020_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T03:01:40.491941+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"}