 PINE BLUFF, Ark., Jan. 26, 2021 GLOBE NEWSWIRE -- Simmons First National Corporations NASDAQ: SFNC board of directors declared a regular 0.18 per share quarterly cash dividend payable on April 5, 2021, to shareholders of record as of March 15, 2021. This dividend represents a 0.01 per share, or 5.9 percent, increase above the dividend paid for the same period last year. 