<SEC-DOCUMENT>0001564590-20-028304-index.html : 20200604
<SEC-HEADER>0001564590-20-028304.hdr.sgml : 20200604
<ACCEPTANCE-DATETIME>20200604085334
ACCESSION NUMBER:		0001564590-20-028304
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200604
DATE AS OF CHANGE:		20200604
EFFECTIVENESS DATE:		20200604

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38139
		FILM NUMBER:		20941977

	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>DEFA14A
<SEQUENCE>1
<FILENAME>by-defa14a_20200603.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: by-defa14a_20200603.htm

</DOCUMENT>
</SEC-DOCUMENT>