Third Coast Bancshares, Inc.

The company is a bank holding company headquartered in Humble, Texas. It operates through its wholly owned subsidiary, the Bank, and the Bank's wholly owned subsidiary, TCCC. The company focuses on providing commercial banking solutions to small and medium-sized businesses and professionals in its markets. It operates twenty branches in the Greater Houston, Dallas-Fort Worth, and Austin-San Antonio markets, one branch in Ballinger, Texas, and one branch in Detroit, Texas. The company has experienced organic growth since commencing banking operations in 2008, and growth through its 2020 merger with Heritage Bancorp, Inc. and its merger with Keystone. As of December 31, 2025, the company had total assets of $5.34 billion, total loans of $4.39 billion, total deposits of $4.63 billion, and total shareholders' equity of $531.0 million on a consolidated basis. On February 1, 2026, the company completed its merger with Keystone, the parent company of Keystone Bank, SSB. Immediately following this, Keystone Bank merged with and into the Bank. On March 13, 2024, the Bank completed its conversion from a Texas state savings bank to a Texas banking association, with the Texas Department of Banking as its primary state regulator.