Who is UMB Bank owned by?

AMERICAN B&T 33 Ascent Bank 11 Baxter State Bank 3 BCB Community Bank 15 BOKF National Association 13 Buckholts State Bank 2 Casey State Bank 9 Craft Bank 1 Eden State Bank 2 Elkton Bank & Trust 1 First Enterprise Bank 1 First National Bank of Mt. Dora 3 National Iron Bank 11 Park Bank 3 Peoples Bank of Wyaconda 7 Port Washington State Bank 4 Security National Trust Company 15 State Bank of Canton 3 Union State Bank of Hazen 4 Watermark Bank 25