{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-23-010032","form_type":"8-K","ticker":"MBWM","cik":"0001042729","company_name":"MERCANTILE BANK CORP","filed_at":"2023-04-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:37.736912+00:00","generated_at":"2026-06-17T02:54:24.602819+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Director Jeff A. Gardner retires from Mercantile Bank board effective March 23, 2023","bullets":["Jeff A. Gardner retired from the Boards of Mercantile Bank Corporation and its subsidiary, effective March 23, 2023.","Gardner had served on the board since 2014.","Retirement is not due to any disagreement with the company's operations, policies, or practices."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-23-010032","json":"https://secwatch.observer/filing/0001437749-23-010032.json","markdown":"https://secwatch.observer/filing/0001437749-23-010032.md","text":"https://secwatch.observer/filing/0001437749-23-010032.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1042729/000143774923010032/0001437749-23-010032-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1042729/000143774923010032/mbwm20230410_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T02:54:24.602819+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":[{"claim_id":"b3b7fb32d7","claim":"Jeff A. Gardner retired as Director at MERCANTILE BANK CORP.","evidence_excerpt":"Jeff A. Gardner retired from the Board of Directors of Mercantile Bank Corporation and that of its subsidiary, Mercantile Bank (collectively, 'Mercantile'), effective March 23, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1042729/000143774923010032/0001437749-23-010032-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}