 GRAND RAPIDS, Mich., April 20, 2021 PRNewswire -- Mercantile Bank Corporation NASDAQ: MBWM Mercantile reported net income of 14.2 million, or 0.87 per diluted share, for the first quarter of 2021, compared with net income of 10.7 million, or 0.65 per diluted share, for the respective prior-year period. 