<SEC-DOCUMENT>0001144204-19-034701-index.html : 20190715
<SEC-HEADER>0001144204-19-034701.hdr.sgml : 20190715
<ACCEPTANCE-DATETIME>20190715161626
ACCESSION NUMBER:		0001144204-19-034701
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20190715
DATE AS OF CHANGE:		20190715
EFFECTIVENESS DATE:		20190715

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GOLUB CAPITAL BDC, Inc.
		CENTRAL INDEX KEY:			0001476765
		IRS NUMBER:				471893276
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-228998
		FILM NUMBER:		19955358

	BUSINESS ADDRESS:	
		STREET 1:		666 FIFTH AVENUE
		STREET 2:		18TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10103
		BUSINESS PHONE:		212.750.6060

	MAIL ADDRESS:	
		STREET 1:		666 FIFTH AVENUE
		STREET 2:		18TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GOLUB CAPITAL INVESTMENT Corp
		DATE OF NAME CHANGE:	20170511

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Golub Capital BDC, Inc.
		DATE OF NAME CHANGE:	20100414

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Golub Capital BDC LLC
		DATE OF NAME CHANGE:	20091113
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>tv525099_497.htm
<DESCRIPTION>497
<TEXT>
Document 1 - file: tv525099_497.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tv509812_chrt-line.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tv509812_chrt-line.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tv509812_chrt-org.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tv509812_chrt-org.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>lg_ubs-red.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: lg_ubs-red.jpg

</DOCUMENT>
</SEC-DOCUMENT>