FirstSun Capital Bancorp, headquartered in Denver, Colorado, is the financial holding company for Sunflower Bank, N.A.
Sunflower Bank provides a full range of relationship-focused services to meet personal, business and wealth management financial objectives, with licensed depository branches in seven states and mortgage capabilities in 43 states. FirstSun had total consolidated assets of $8.2 billion as of March 31, 2025. First National 1870 is a division of Sunflower Bank, N.A.