<SEC-DOCUMENT>0001209191-18-062102-index.html : 20181211
<SEC-HEADER>0001209191-18-062102.hdr.sgml : 20181211
<ACCEPTANCE-DATETIME>20181211192926
ACCESSION NUMBER:		0001209191-18-062102
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181207
FILED AS OF DATE:		20181211
DATE AS OF CHANGE:		20181211

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HERENCIA ROBERTO  R
		CENTRAL INDEX KEY:			0001214993

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38139
		FILM NUMBER:		181229815

ISSUER:		

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

	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>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

</DOCUMENT>
</SEC-DOCUMENT>