<SEC-DOCUMENT>0001193125-18-150364-index.html : 20180503
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<ACCEPTANCE-DATETIME>20180503132401
ACCESSION NUMBER:		0001193125-18-150364
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20180503
DATE AS OF CHANGE:		20180503
EFFECTIVENESS DATE:		20180503

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:		18802912

	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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<DESCRIPTION>497
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Document 1 - file: d554221d497.htm

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Document 2 - file: g554221g18j43.jpg

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<TEXT>
Document 3 - file: g554221g28b62.jpg

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<SEQUENCE>4
<FILENAME>g554221g64u35.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g554221g64u35.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g554221g89i93.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g554221g89i93.jpg

</DOCUMENT>
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