<SEC-DOCUMENT>0001104659-21-099439-index.html : 20210803
<SEC-HEADER>0001104659-21-099439.hdr.sgml : 20210803
<ACCEPTANCE-DATETIME>20210803160539
ACCESSION NUMBER:		0001104659-21-099439
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20210803
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210803
DATE AS OF CHANGE:		20210803

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	814-00794
		FILM NUMBER:		211139687

	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>8-K
<SEQUENCE>1
<FILENAME>tm2123850d1_8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
Document 1 - file: tm2123850d1_8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.2
<SEQUENCE>2
<FILENAME>tm2123850d1_ex4-2.htm
<DESCRIPTION>EXHIBIT 4.2
<TEXT>
Document 2 - file: tm2123850d1_ex4-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>tm2123850d1_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 3 - file: tm2123850d1_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tm2123850d1_ex5-1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tm2123850d1_ex5-1.jpg

</DOCUMENT>
</SEC-DOCUMENT>