Bank · COVERAGE INDEX

Sunflower Bank, National Association

Also known as Sunflower Bank, Sunflower Bank, N.A., First National 1870

Dallas-headquartered national bank with Kansas origins in 1892; FDIC certificate 4767.

Banking subsidiary of FirstSun Capital Bancorp; First Foundation Bank merged into it on April 1, 2026. First National 1870 is a retained operating brand.

Sunflower Bank, National Association official source ↗

Profile sources:FDIC institution directory, October 2, 2026 index; reviewed October 5 Sunflower Bank history, undated; reviewed October 5, 2026 FirstSun and First Foundation merger-completion announcement, April 1, 2026 Sunflower Bank about page, including parent and brand structure; reviewed October 5, 2026

Coverage Tags (3)

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Related permanent research

Financial company profileResearch updated Oct 5, 2026

Sunflower Bank: Kansas roots, a Texas base and a reshaped First Foundation merger →

Sunflower’s expansion joined several regional banking and mortgage businesses. Its 2026 acquisition of First Foundation was followed by asset sales and funding reductions, making the bank’s midyear size different from the merger’s opening headline.

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