<SEC-DOCUMENT>0001193125-17-255905-index.html : 20170811
<SEC-HEADER>0001193125-17-255905.hdr.sgml : 20170811
<ACCEPTANCE-DATETIME>20170811160004
ACCESSION NUMBER:		0001193125-17-255905
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20170811
DATE AS OF CHANGE:		20170811
EFFECTIVENESS DATE:		20170811

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:		171024947

	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>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>d439649d497.htm
<DESCRIPTION>497
<TEXT>
Document 1 - file: d439649d497.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g439649g18j43.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g439649g18j43.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g439649g49r75.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g439649g49r75.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g439649g64u35.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g439649g64u35.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g439649g76m85.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g439649g76m85.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g439649g99o46.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g439649g99o46.jpg
</DOCUMENT> </SEC-DOCUMENT>