SEC Filing Form 4: Ownership by Daniel Ovokaitys

Daniel Ovokaitys, Chief Information Officer at FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ), reported a net acquisition of 1287 shares of Common Stock. On April 10, 2026, 2430 shares were acquired upon vesting of Performance Restricted Stock Unit awards (as detailed in footnote F1), with a transaction price of $0.0. Concurrently, 1143 shares were disposed of at a price of $58.60 per share. Following these transactions, Ovokaitys directly owns 10668 shares.