X0708 D LIVE 0001671206 FSB Financial Services, Inc. 131 TOWER PARK SUITE 100 WATERLOO IA IOWA 50701 319-874-4312 IOWA None None Corporation true Rodney L. Duroe 131 Tower Park Drive Suite 100 Waterloo IA IOWA 50701 Executive Officer Director Suzanne C. Duroe 131 Tower Park Drive Suite 100 Waterloo IA IOWA 50701 Executive Officer Director Albert C. Duroe 131 Tower Park Drive Suite 100 Waterloo IA IOWA 50701 Executive Officer Director Danielle M. Trumbauer 131 Tower Park Drive Suite 100 Waterloo IA IOWA 50701 Executive Officer Director Michael Kieszkowski 131 Tower Park Drive Suite 100 Waterloo IA IOWA 50701 Executive Officer Other Banking and Financial Services Decline to Disclose 06b false 2026-05-12 false true false 250000 Performance Trust Capital Partners, LLC 36155 None None 500 W. Madison Street Suite 450 Chicago IL ILLINOIS 60661 GA GEORGIA IL ILLINOIS IA IOWA KS KANSAS MI MICHIGAN MN MINNESOTA NE NEBRASKA NV NEVADA SD SOUTH DAKOTA WA WASHINGTON WI WISCONSIN false 30000000 30000000 0 false 24 600000 true 0 0 false FSB Financial Services, Inc. Michael Kieszkowski Michael Kieszkowski Chief Financial Officer 2026-05-14