# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-25-260778
Filing Date
2025-10-31
Accepted
2025-10-31 16:06:23
Documents
101
Period of Report
2025-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | fbiz-20250930.htm iXBRL | 10-Q | 8768315
2 | EX-31.1 | fbiz-ex31_1.htm | EX-31.1 | 15582
3 | EX-31.2 | fbiz-ex31_2.htm | EX-31.2 | 15588
4 | EX-32 | fbiz-ex32.htm | EX-32 | 10463
| Complete submission text file | 0001193125-25-260778.txt |  | 34483005

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | fbiz-20250930.xsd | EX-101.SCH | 1970548
104 | EXTRACTED XBRL INSTANCE DOCUMENT | fbiz-20250930_htm.xml | XML | 10506639

Mailing Address 401 CHARMANY DRIVE PO BOX 44961 MADISON WI 53744
Business Address 401 CHARMANY DRIVE MADISON WI 53719 608-238-8008
FIRST BUSINESS FINANCIAL SERVICES, INC. (Filer) CIK: 0001521951 (see all company filings)

EIN.: 391576570 | State of Incorp.: WI | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-34095 | Film No.: 251440553
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)