Founded in 2007, Allegiance Bancshares, Inc. operated as the bank holding company for Allegiance Bank. The company provided a comprehensive range of commercial banking services primarily to small and medium-sized businesses, professionals, and individual customers. Its mission was to build loyal, lasting relationships with its clients by delivering extraordinary service. Headquartered in Houston, Texas, the bank grew to become a significant community-focused financial institution in the region before merging with CBTX, Inc. in 2022 to form Stellar Bancorp, Inc. (NASDAQ: STEL).