# EDGAR Filing Document

**Accession Number:** 0001521951
**File Stem:** 9999999995-23-000507
**Filing Date:** 2023-3
**Character Count:** 1408
**Document Hash:** e9aa15784c3d4bf84e1b607b0c74818e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-23-000507.hdr.sgml**: 20230303

**ACCESSION NUMBER**: 9999999995-23-000507

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230302

**DATE AS OF CHANGE**: 20230303

**EFFECTIVENESS DATE**: 20230302

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIRST BUSINESS FINANCIAL SERVICES, INC.
- **CENTRAL INDEX KEY:** 0001521951
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **IRS NUMBER:** 391576570
- **STATE OF INCORPORATION:** WI
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-263296
- **FILM NUMBER:** 23701549

**BUSINESS ADDRESS:**
- **STREET 1:** 401 CHARMANY DRIVE
- **CITY:** MADISON
- **STATE:** WI
- **ZIP:** 53719
- **BUSINESS PHONE:** 608-238-8008

**MAIL ADDRESS:**
- **STREET 1:** 401 CHARMANY DRIVE
- **STREET 2:** PO BOX 44961
- **CITY:** MADISON
- **STATE:** WI
- **ZIP:** 53744

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** First Business Financial Services, Inc.
- **DATE OF NAME CHANGE:** 20110527

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** March 2, 2023

**Time:** 16:00:00

**Form Type:** S-3

---

**CIK:** 0001521951

**Company Name:** FIRST BUSINESS FINANCIAL SERVICES, INC.

**File Number:** 333-263296