<SEC-DOCUMENT>0001193125-17-221127-index.html : 20170703
<SEC-HEADER>0001193125-17-221127.hdr.sgml : 20170703
<ACCEPTANCE-DATETIME>20170703155919
ACCESSION NUMBER:		0001193125-17-221127
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20170703
DATE AS OF CHANGE:		20170703
EFFECTIVENESS DATE:		20170703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BYLINE BANCORP, INC.
		CENTRAL INDEX KEY:			0001702750
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				363012593

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-219143
		FILM NUMBER:		17945444

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		773-244-7000

	MAIL ADDRESS:	
		STREET 1:		180 NORTH LASALLE STREET, SUITE 300
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>d419113ds8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: d419113ds8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d419113dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d419113dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>3
<FILENAME>d419113dex101.htm
<DESCRIPTION>EX-10.1
<TEXT>
Document 3 - file: d419113dex101.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.2
<SEQUENCE>4
<FILENAME>d419113dex102.htm
<DESCRIPTION>EX-10.2
<TEXT>
Document 4 - file: d419113dex102.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>5
<FILENAME>d419113dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 5 - file: d419113dex232.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.3
<SEQUENCE>6
<FILENAME>d419113dex233.htm
<DESCRIPTION>EX-23.3
<TEXT>
Document 6 - file: d419113dex233.htm

</DOCUMENT>
</SEC-DOCUMENT>