FIRST BUSINESS FINANCIAL SERVICES, INC. 8-K

What Happened
On May 5, 2026, First Business Financial Services, Inc. posted an investor presentation to its website (www.firstbusiness.bank, Investor Relations). The presentation provides an overview of the company’s recent operating performance, financial condition and business strategy and is being furnished as Exhibit 99.1 to the Form 8-K. The company said it intends to use the presentation when executives interact with shareholders, analysts and other third parties. The report was signed by CFO Brian D. Spielmann.

Key Details

• Date filed: May 5, 2026; presentation posted to www.firstbusiness.bank under the “Investor Relations” tab.
• Exhibit: Slides are attached as Exhibit 99.1 to the Form 8-K.
• Content: Overview of recent operating performance, financial condition and business strategy.
• Regulatory note: Information is being “furnished” under Regulation FD (not an earnings release).

Why It Matters
This filing gives investors and analysts direct access to the company’s current presentation of its performance and strategic priorities, ensuring broad public dissemination under Regulation FD. It is a useful source of context ahead of analyst calls or shareholder interactions but is not an audited earnings filing or a replacement for formal financial statements or an earnings release. Review the attached Exhibit 99.1 slides for the specific metrics and strategic details disclosed.