FirstSun Capital Bancorp operates as the bank holding company for Sunflower Bank, National Association that provides commercial and consumer banking and financial services to small and medium-sized companies in the United States. It operates through Banking and Mortgage Operations segments. The company offers noninterest and interest-bearing deposit accounts, checking and savings accounts, money market and term certificate accounts, and treasury management products and services, as well as certificates of deposit. It also provides commercial and industrial loans, commercial real estate loans, residential mortgage loans, and small business administration loans, as well as consumer loans, including car, boat, and other recreational vehicle loans. In addition, the company offers residential r…