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<ACCEPTANCE-DATETIME>20170531153718
ACCESSION NUMBER:		0001193125-17-189151
CONFORMED SUBMISSION TYPE:	S-1
PUBLIC DOCUMENT COUNT:		22
FILED AS OF DATE:		20170531
DATE AS OF CHANGE:		20170531

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-1
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-218362
		FILM NUMBER:		17880871

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		773-244-7000

	MAIL ADDRESS:	
		STREET 1:		180 NORTH LASALLE STREET, SUITE 300
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
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