{"filing":{"accession_number":"0001437749-26-031227","cik":"0001042729","ticker":"MBWM","company_name":"MERCANTILE BANK CORP","form":"8-K","filing_date":"2026-09-25","report_date":"2026-09-25","primary_document":"mbwm20260921_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1042729/000143774926031227/mbwm20260921_8k.htm"},"events":[{"id":35128,"run_id":32349,"accession_number":"0001437749-26-031227","anchor_item_number":"5.02","event_type":"exec_compensation","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"The Board approved a discretionary bonus plan with a $3,000,000 aggregate pool for eligible employees including executive officers, contingent on merger integration and core conversion work. This is a compensatory arrangement for officers and executives under Item 5.02(e), distinct from a departure or appointment. The material size of the pool and explicit inclusion of executive officers makes this material to investors.","company_name":"MERCANTILE BANK CORP","ticker":"MBWM","filing_date":"2026-09-25","form":"8-K","submitted_at":null,"items":[{"id":39072,"accession_number":"0001437749-26-031227","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_compensation","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The Board approved a discretionary bonus plan with a $3,000,000 aggregate pool for eligible employees including executive officers, contingent on merger integration and core conversion work. This is a compensatory arrangement for officers and executives under Item 5.02(e), distinct from a departure or appointment. The material size of the pool and explicit inclusion of executive officers makes this material to investors.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-25T20:30:22.272685+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":39072,"accession_number":"0001437749-26-031227","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_compensation","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The Board approved a discretionary bonus plan with a $3,000,000 aggregate pool for eligible employees including executive officers, contingent on merger integration and core conversion work. This is a compensatory arrangement for officers and executives under Item 5.02(e), distinct from a departure or appointment. The material size of the pool and explicit inclusion of executive officers makes this material to investors.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-25T20:30:22.272685+00:00","company_name":"MERCANTILE BANK CORP","ticker":"MBWM","filing_date":"2026-09-25"}]}