Mercantile Bank Corp. reported third-quarter 2026 net income of $24.1 million, up from $23.8 million a year earlier, while diluted earnings per share fell to $1.39 from $1.46.
For the first nine months of 2026, net income rose to $72.7 million from $65.9 million, and diluted EPS increased to $4.21 from $4.06.
Revenue growth was stronger than profit growth. Net revenue climbed 17.3% to $73.2 million in the third quarter from $62.4 million a year ago. Net interest income rose 17.1% to $60.9 million from $52.0 million, while noninterest income increased 18.4% to $12.3 million from $10.4 million.
The net interest margin widened to 3.73% from 3.49% a year earlier, even as the yield on average earning assets slipped to 5.52% from 5.74%. The yield on loans declined to 6.12% from 6.35%, while the yield on securities improved to 3.43% from 2.90%. The cost of funds fell to 1.79% from 2.25%.
Treasury management fees increased about 28% year over year, helping drive the rise in noninterest income.
Credit costs stayed low. Provision for credit losses was $0.7 million, up from $0.2 million in the third quarter of 2025.
Noninterest expense rose to $43.6 million from $34.8 million. Excluding acquisition and conversion-related items, noninterest expense still increased by $8.8 million year over year.
Tax expense climbed to $4.9 million from $3.7 million, and the effective tax rate increased to 16.8% from 13.4%.
On the balance sheet, total assets reached $7.16 billion at Sept. 30, 2026, up $328 million from Dec. 31, 2025. Total loans increased $37.4 million in the quarter and $131 million over the first nine months of 2026.
Commercial loans rose $20.4 million in the quarter and $152 million year to date. Residential mortgage loans increased $13.2 million in the quarter but were down $27.1 million year to date. Other consumer loans rose $3.8 million in the quarter and $6.1 million year to date.
Deposits grew to $5.61 billion from $5.28 billion at year-end 2025. Local deposits increased $438 million in the first nine months of 2026, while brokered deposits fell $110 million. Over the last 12 months, brokered deposits declined $159 million to $20.1 million.
The loan-to-deposit ratio improved to about 88% from about 96% a year earlier.
Asset quality remained strong, with continued low nonperforming assets, and capital stayed solid. Tangible book value per common share was $37.81 at Sept. 30, 2026, up nearly 4% annualized from Dec. 31, 2025.
Return on average assets was 1.4%, and return on average equity was 12.6% for the quarter. Today the company's shares have moved -0.32% to a price of $58.42. For more information, read the company's full 8-K submission here.
