Mercantile Bank Corporation (NASDAQ: MBWM) operates as a regional bank holding company based in Grand Rapids, Michigan. The company primarily conducts its business through its wholly-owned subsidiaries, Mercantile Bank and Eastern Michigan Bank (acquired in late 2025). Mercantile Bank Corporation focuses on providing comprehensive commercial and retail banking services tailored to small- to medium-sized businesses, individuals, and governmental entities across Michigan. Its core revenue is generated from net interest income derived from its lending activities, which include commercial and industrial loans, commercial real estate, residential mortgages, and consumer loans. The bank funds these loans primarily through a variety of deposit products, such as checking, savings, and term certificate accounts. In addition to traditional banking, Mercantile generates non-interest fee income through treasury management, payroll services, mortgage banking, and insurance products. The company's competitive position is strengthened by its deep community ties, personalized service model, and expanded footprint across Michigan following its strategic merger with Eastern Michigan Financial Corporation.