<SEC-DOCUMENT>0001521951-18-000010-index.html : 20180131
<SEC-HEADER>0001521951-18-000010.hdr.sgml : 20180131
<ACCEPTANCE-DATETIME>20180131090551
ACCESSION NUMBER:		0001521951-18-000010
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		46
CONFORMED PERIOD OF REPORT:	20180131
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180131
DATE AS OF CHANGE:		20180131

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34095
		FILM NUMBER:		18561158

	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>8-K
<SEQUENCE>1
<FILENAME>fbiz4q17ip8-k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
Document 1 - file: fbiz4q17ip8-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>fbiz4q17ipex991.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: fbiz4q17ipex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>fbiz4q17ipfinal001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: fbiz4q17ipfinal001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>fbiz4q17ipfinal002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: fbiz4q17ipfinal002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>fbiz4q17ipfinal003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: fbiz4q17ipfinal003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>fbiz4q17ipfinal004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: fbiz4q17ipfinal004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>fbiz4q17ipfinal005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: fbiz4q17ipfinal005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>fbiz4q17ipfinal006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: fbiz4q17ipfinal006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>fbiz4q17ipfinal007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: fbiz4q17ipfinal007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>fbiz4q17ipfinal008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: fbiz4q17ipfinal008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>fbiz4q17ipfinal009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: fbiz4q17ipfinal009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>fbiz4q17ipfinal010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: fbiz4q17ipfinal010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>fbiz4q17ipfinal011.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: fbiz4q17ipfinal011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>fbiz4q17ipfinal012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: fbiz4q17ipfinal012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>fbiz4q17ipfinal013.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: fbiz4q17ipfinal013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>fbiz4q17ipfinal014.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: fbiz4q17ipfinal014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>fbiz4q17ipfinal015.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: fbiz4q17ipfinal015.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>fbiz4q17ipfinal016.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: fbiz4q17ipfinal016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>fbiz4q17ipfinal017.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: fbiz4q17ipfinal017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>fbiz4q17ipfinal018.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: fbiz4q17ipfinal018.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>fbiz4q17ipfinal019.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: fbiz4q17ipfinal019.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>fbiz4q17ipfinal020.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: fbiz4q17ipfinal020.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>fbiz4q17ipfinal021.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: fbiz4q17ipfinal021.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>fbiz4q17ipfinal022.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: fbiz4q17ipfinal022.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>fbiz4q17ipfinal023.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: fbiz4q17ipfinal023.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>fbiz4q17ipfinal024.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: fbiz4q17ipfinal024.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>fbiz4q17ipfinal025.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 27 - file: fbiz4q17ipfinal025.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>fbiz4q17ipfinal026.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 28 - file: fbiz4q17ipfinal026.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>29
<FILENAME>fbiz4q17ipfinal027.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 29 - file: fbiz4q17ipfinal027.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>30
<FILENAME>fbiz4q17ipfinal028.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 30 - file: fbiz4q17ipfinal028.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>31
<FILENAME>fbiz4q17ipfinal029.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 31 - file: fbiz4q17ipfinal029.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>32
<FILENAME>fbiz4q17ipfinal030.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 32 - file: fbiz4q17ipfinal030.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>33
<FILENAME>fbiz4q17ipfinal031.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 33 - file: fbiz4q17ipfinal031.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>34
<FILENAME>fbiz4q17ipfinal032.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 34 - file: fbiz4q17ipfinal032.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>35
<FILENAME>fbiz4q17ipfinal033.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 35 - file: fbiz4q17ipfinal033.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>36
<FILENAME>fbiz4q17ipfinal034.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 36 - file: fbiz4q17ipfinal034.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>37
<FILENAME>fbiz4q17ipfinal035.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 37 - file: fbiz4q17ipfinal035.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>38
<FILENAME>fbiz4q17ipfinal036.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 38 - file: fbiz4q17ipfinal036.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>39
<FILENAME>fbiz4q17ipfinal037.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 39 - file: fbiz4q17ipfinal037.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>40
<FILENAME>fbiz4q17ipfinal038.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 40 - file: fbiz4q17ipfinal038.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>41
<FILENAME>fbiz4q17ipfinal039.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 41 - file: fbiz4q17ipfinal039.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>42
<FILENAME>fbiz4q17ipfinal040.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 42 - file: fbiz4q17ipfinal040.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>43
<FILENAME>fbiz4q17ipfinal041.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 43 - file: fbiz4q17ipfinal041.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>44
<FILENAME>fbiz4q17ipfinal042.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 44 - file: fbiz4q17ipfinal042.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>45
<FILENAME>fbiz4q17ipfinal043.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 45 - file: fbiz4q17ipfinal043.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>46
<FILENAME>fblogo2016a11.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 46 - file: fblogo2016a11.jpg

</DOCUMENT>
</SEC-DOCUMENT>