<SEC-DOCUMENT>0001104659-21-096411-index.html : 20210728
<SEC-HEADER>0001104659-21-096411.hdr.sgml : 20210728
<ACCEPTANCE-DATETIME>20210727183358
ACCESSION NUMBER:		0001104659-21-096411
CONFORMED SUBMISSION TYPE:	497AD
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210728
DATE AS OF CHANGE:		20210727

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:		497AD
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-232387
		FILM NUMBER:		211119221

	BUSINESS ADDRESS:	
		STREET 1:		200 PARK AVENUE
		STREET 2:		25TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		212.750.6060

	MAIL ADDRESS:	
		STREET 1:		200 PARK AVENUE
		STREET 2:		25TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	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>497AD
<SEQUENCE>1
<FILENAME>tm2123392-3_497ad.pdf
<DESCRIPTION>497AD
<TEXT>
Document 1 - file: tm2123392-3_497ad.pdf

</DOCUMENT>
</SEC-DOCUMENT>