<SEC-DOCUMENT>0001564590-18-025158-index.html : 20181025
<SEC-HEADER>0001564590-18-025158.hdr.sgml : 20181025
<ACCEPTANCE-DATETIME>20181025171808
ACCESSION NUMBER:		0001564590-18-025158
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20181025
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20181025
DATE AS OF CHANGE:		20181025

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38139
		FILM NUMBER:		181139695

	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>8-K
<SEQUENCE>1
<FILENAME>by-8k_20181025.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: by-8k_20181025.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>by-ex991_6.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: by-ex991_6.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>gztimibn1prw000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: gztimibn1prw000001.jpg

</DOCUMENT>
</SEC-DOCUMENT>