First Business(FBIZ) - 2025 Q4 - Annual Report

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) Commission file number 001-34095 FIRST BUSINESS FINANCIAL SERVICES, INC. (Exact name of registrant as specified in its charter) Wisconsin 39-1576570 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 401 Charmany Drive, Madison, WI 53719 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (608) 238- ...