<SEC-DOCUMENT>0000892712-22-000077-index.html : 20220304
<SEC-HEADER>0000892712-22-000077.hdr.sgml : 20220304
<ACCEPTANCE-DATETIME>20220304160243
ACCESSION NUMBER:		0000892712-22-000077
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		10
FILED AS OF DATE:		20220304
DATE AS OF CHANGE:		20220304

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:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-263296
		FILM NUMBER:		22713995

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>s3.htm
<DESCRIPTION>FORM S-3
<TEXT>
Document 1 - file: s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.1
<SEQUENCE>2
<FILENAME>exhibit33.htm
<DESCRIPTION>ARTICLES OF AMENDMENT DATED MARCH 2, 2022
<TEXT>
Document 2 - file: exhibit33.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.3
<SEQUENCE>3
<FILENAME>exhibit43.htm
<DESCRIPTION>FORM OF ARTICLES OF AMENDMENT REGARDING DESIGNATION AND AUTHORIZATION OF PREFERRED STOCK
<TEXT>
Document 3 - file: exhibit43.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.8
<SEQUENCE>4
<FILENAME>exhibit48.htm
<DESCRIPTION>FORM OF WARRANT
<TEXT>
Document 4 - file: exhibit48.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.14
<SEQUENCE>5
<FILENAME>exhibit414.htm
<DESCRIPTION>FORM OF PREFERRED STOCK CERTIFICATE
<TEXT>
Document 5 - file: exhibit414.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>6
<FILENAME>exhibit51.htm
<DESCRIPTION>OPINION OF GODFREY & KAHN, S.C. (INCLUDING CONSENT)
<TEXT>
Document 6 - file: exhibit51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>7
<FILENAME>exhibit231.htm
<DESCRIPTION>CONSENT OF CROWE LLP
<TEXT>
Document 7 - file: exhibit231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>s3_1.jpg
<TEXT>
Document 8 - file: s3_1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>exhibit51_1.jpg
<TEXT>
Document 9 - file: exhibit51_1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>10
<FILENAME>filingfeeex.htm
<TEXT>
Document 10 - file: filingfeeex.htm

</DOCUMENT>
</SEC-DOCUMENT>