Exciting news! On October 27, 2025, our holding company, FirstSun Capital Bancorp and First Foundation Inc. jointly announced that we have entered into a definitive merger agreement. Read the full announcement on the FirstSun Investor Relations website: https://ir.firstsuncb.com/news/news-details/2025/FirstSun-Capital-Bancorp-and-First-Foundation-Inc--Combining-in-All-Stock-Merger/default.aspx
Important Fraud Alert: We have received reports of fraudulent calls appearing to be from Sunflower Bank. If someone contacts you claiming to be from Sunflower Bank or First National 1870 and asks you to provide online banking login credentials or account information, do not follow their instructions and hang up because #BanksNeverAskThat. Do not provide any details or visit any websites at their request. Please call our Customer Care directly at 888.827.5564 if you have any concerns.
About First National 1870, a division of Sunflower Bank, N.A.
Operating as Sunflower Bank and First National 1870, Sunflower Bank, N.A. provides relationship-focused services and financial solutions to meet your personal, business, and wealth management financial objectives. We value the needs of each customer and partner with them to help achieve their goals through innovative solutions and locally informed decision-making.
At Sunflower Bank, we are deeply committed to fostering success everywhere we serve. Being community-minded bankers with specialty services and access to capital means we can help all of our customers and communities become more robust and grow. We are proud to uphold our mission of "Bringing out the best in the lives we touch ... Creating Possibility."
Our Family of Brands
We are proud of our longevity and the long-term relationships it represents. Founded in Kansas in 1892, today our bank headquarters are in Dallas, TX as a result of our expanding footprint. We operate as First National 1870 in Albuquerque, Los Alamos, and Santa Fe, NM, to honor its founding in 1870 as the first bank in the Southwestern US. FirstSun Capital Bancorp(Opens in a new window) is the financial holding company for Sunflower Bank, N.A.
Key Highlights
$8.4B
Total Assets*
*As of 6/30/2025
71
Licensed Branches
43
Mortgage Loan Origination States
133
Years of Serving Customers
About Us
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Get to Know Sunflower Bank and First National 1870
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Community Involvement
We believe in creating possibility at both the individual and community level. It’s about creating a legacy that makes us proud and provides a solid foundation for the future.
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Company Culture
Sunflower Bank is more than just another place to work. See why our people love to work here.
Learn More in Company Culture -
Our Clients' Success
We have the opportunity to work with amazing clients. The stories of how they found success are inspirational. It is a privilege to serve as their financial partner.
Learn More in Our Clients' Success
Company Achievements
BauerFinancial 5-Star Rated Bank, September 2025
We are proud to be recognized as a BauerFinancial 5-Star rated bank for another consecutive quarter. The designation represents a Superior rating and recommendation from this leading independent bank research firm.