FIRST BUSINESS FINANCIAL SERVICES, INC.

For the period ended Jun 30, 2026. Filed Jul 31, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Jul 31, 2026

FBIZ$75.81+2.2%Stored close · as of Nov 9, 2026

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Contents

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	FIRST BUSINESS FINANCIAL SERVICES, INC.
July 31, 2026	/s/ David R. Seiler
	David R. Seiler
	President & Chief Executive Officer
July 31, 2026	/s/ Brian D. Spielmann
	Brian D. Spielmann
	Chief Financial Officer
	(principal financial officer)

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.