{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-25-005325","form_type":"8-K","ticker":"WABC","cik":"0000311094","company_name":"WESTAMERICA BANCORPORATION","filed_at":"2025-08-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.022411+00:00","generated_at":"2026-05-17T14:57:10.696832+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"E. Joseph Bowler to retire from Westamerica Bancorp Board effective Sept 25, 2025","bullets":["Director E. Joseph Bowler notified retirement on Aug 11, 2025, effective Sep 25, 2025.","Bowler served on the board since 2003; previously Senior VP and Treasurer until 2002.","He served on Audit, Loan & Investment, Nominating Committees, and Westamerica Bank board.","No disagreement with company operations, policies, or practices was reported.","No replacement for the departing director has been announced yet."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-25-005325","json":"https://secwatch.observer/filing/0001171843-25-005325.json","markdown":"https://secwatch.observer/filing/0001171843-25-005325.md","text":"https://secwatch.observer/filing/0001171843-25-005325.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/311094/000117184325005325/0001171843-25-005325-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/311094/000117184325005325/f8k_081225.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T14:57:10.696832+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"}