TYLER, Texas–(BUSINESS WIRE)–Southside Bancshares, Inc. (“Southside” or the “Company”) (NYSE: SBSI) today reported its financial results for the quarter ended September 30, 2026. “We reported excellent financial results for the third quarter ended September 30, 2026, highlighted by earnings per diluted common share of $0.93, a return on average assets of 1.27% and a return on average tangible common equity of 16.31%,” stated Keith Donahoe, President and Chief Executive Officer of Southside. “