FIRST BUSINESS FINANCIAL SERVICES, INC. 10-Q

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds Issuer Purchases of Securities As previously announced, on April 26, 2024, the Corporation’s Board of Directors authorized the repurchase by the Corporation of shares of its common stock with a maximum aggregate purchase price of $5.0 million, in such quantities, at such prices and on such other terms and conditions as the Corporation’s Chief Executive Officer or Chief Financial Officer determine in their discretion to be in the best interests of the Corporation and its shareholders, any time with no expiration date. As of March 31, 2026, the Corporation has not repurchased any shares under this repurchase program. The following table sets forth information about the Corporation's purchases of its common stock during the three months ended March 31, 2026. Period Total Number of Shares Purchased (1) Average Price Paid Per Share Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs Total Number of Shares that May Yet Be Purchased Under the Plans or Programs January 1, 2026 - January 31, 2026 — $ — — — February 1, 2026 - February 28, 2026 13,906 58.36 — — March 1, 2026 - March 31, 2026 — — — — Total 13,906 $ 58.36 — 92,713 (1) During the first quarter of 2026, the Corporation repurchased an aggregate 13,906 shares of the Corporation’s common stock in open-market transactions, all of which were surrendered to us to satisfy income tax withholding obligations in connection with the vesting of restricted awards. (2) Number of shares available to purchase under the April 26, 2024 share repurchase program was calculated by dividing the closing stock price on March 31, 2026 of $53.93 by the $5.0 million remaining capacity.