fbiz-20231207

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): December 07, 2023

Wisconsin

1-34095

39-1576570

(State or other jurisdiction
of incorporation)

(Commission
File Number)

(I.R.S. Employer
Identification No.)

Registrant’s telephone number, including area code: (608) 238-8008

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):


☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)


☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b- 2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, $0.01 par value

FBIZ

The Nasdaq Stock Market LLC

On December 7, 2023, First Business Financial Services, Inc. (the “Company”) distributed a letter to shareholders relating to the quarter ended September 30, 2023. A copy of the letter to shareholders is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

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

December 7, 2023

FIRST BUSINESS FINANCIAL SERVICES, INC.

By:

/s/ Brian D. Spielmann

Name:

Brian D. Spielmann

Title:

Chief Financial Officer




99.1						Letter to shareholders of First Business Financial Services, Inc., containing financial information for its quarter ended September 30, 2023.