v3.25.2
Submission
Sep. 16, 2025
Submission [Line Items]  
Central Index Key 0001042729
Registrant Name MERCANTILE BANK CORP
Form Type S-4
Submission Type S-4
Fee Exhibit Type EX-FILING FEES
Offering Table N/A
Offset Table N/A N/A
Combined Prospectus Table N/A N/A