<SEC-DOCUMENT>0001193125-17-290025-index.html : 20170921
<SEC-HEADER>0001193125-17-290025.hdr.sgml : 20170921
<ACCEPTANCE-DATETIME>20170921091801
ACCESSION NUMBER:		0001193125-17-290025
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20170921
DATE AS OF CHANGE:		20170921
EFFECTIVENESS DATE:		20170921

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GLADSTONE CAPITAL CORP
		CENTRAL INDEX KEY:			0001143513
		IRS NUMBER:				542040781
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-208637
		FILM NUMBER:		171095147

	BUSINESS ADDRESS:	
		STREET 1:		1521 WESTBRANCH DRIVE
		STREET 2:		SUITE 100
		CITY:			MCLEAN
		STATE:			VA
		ZIP:			22102
		BUSINESS PHONE:		703-287-5800

	MAIL ADDRESS:	
		STREET 1:		1521 WESTBRANCH DRIVE
		STREET 2:		SUITE 100
		CITY:			MCLEAN
		STATE:			VA
		ZIP:			22102
</SEC-HEADER>
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<SEQUENCE>1
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<DESCRIPTION>497
<TEXT>
Document 1 - file: d452236d497.htm

</DOCUMENT>
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<SEQUENCE>2
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g452236g18j43.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g452236g64u35.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g452236g64u35.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g452236g77o59.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g452236g77o59.jpg

</DOCUMENT>
</SEC-DOCUMENT>