GRAND RAPIDS, Mich., Dec. 31, 2025 /PRNewswire/ -- Mercantile Bank Corporation (NASDAQ: MBWM) ("Mercantile") announced today the completion of its previously announced merger with Eastern Michigan Financial Corporation ("Eastern"). This strategic combination brings together two financial institutions with shared values and deep commitments to serving Michigan's families, businesses and communities. The newly acquired Eastern Michigan Bank will operate alongside Mercantile's existing bank, Mercantile Bank, ...