<?xml version="1.0" encoding="UTF-8" ?><!-- Generated on Thu, 04 Jun 2026 12:28:14 -0400--><rss version="2.0">
    <channel>
        <title>Gladstone Capital Corporation (GLAD) SEC Filings</title>
        <link>https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/rss</link>
        <description>Gladstone Capital Corporation (GLAD) - All SEC Filings</description>
        <language>en-us</language>
                                            <image>
                <url>https://d1io3yog0oux5.cloudfront.net/_44247c5da3b3530a22ab523c3e7a4798/gladstonecapital/files/theme/images/logo-sm.png</url>
                <title>Gladstone Capital Corporation Logo</title>
                <link>/investors</link>
            </image>
                <generator>Equisolve Investor Relations Suite</generator>
        
                            <item>
                <title><![CDATA[424B2 - Prospectus [Rule 424(b)(2)]]]></title>
                <description><![CDATA[424B2]]></description>
                <link>https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001193125-26-255665/0001193125-26-255665.pdf</link>
                <pubDate>Wed, 03 Jun 26 16:53:24 -0400</pubDate>
                <guid isPermalink="true">https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001193125-26-255665/0001193125-26-255665.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses]]></title>
                <description><![CDATA[FWP]]></description>
                <link>https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001193125-26-255642/0001193125-26-255642.pdf</link>
                <pubDate>Wed, 03 Jun 26 16:46:33 -0400</pubDate>
                <guid isPermalink="true">https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001193125-26-255642/0001193125-26-255642.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[3 - Initial statement of beneficial ownership of securities]]></title>
                <description><![CDATA[2 Related Documents: 3, EX-24.1]]></description>
                <link>https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001238280-26-000010/0001238280-26-000010.pdf</link>
                <pubDate>Wed, 03 Jun 26 12:00:01 -0400</pubDate>
                <guid isPermalink="true">https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001238280-26-000010/0001238280-26-000010.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[8-K - Current report]]></title>
                <description><![CDATA[2 Related Documents: 8-K, EX-99.1]]></description>
                <link>https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001193125-26-252617/0001193125-26-252617.pdf</link>
                <pubDate>Tue, 02 Jun 26 08:45:31 -0400</pubDate>
                <guid isPermalink="true">https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001193125-26-252617/0001193125-26-252617.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[8-K - Current report]]></title>
                <description><![CDATA[2 Related Documents: 8-K, EX-99.1]]></description>
                <link>https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001193125-26-209037/0001193125-26-209037.pdf</link>
                <pubDate>Wed, 06 May 26 16:24:38 -0400</pubDate>
                <guid isPermalink="true">https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001193125-26-209037/0001193125-26-209037.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[10-Q - Quarterly report [Sections 13 or 15(d)]]]></title>
                <description><![CDATA[6 Related Documents: 10-Q, EX-31.1, EX-31.2, EX-32.1, EX-32.2, EX-99.1]]></description>
                <link>https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001143513-26-000009/0001143513-26-000009.pdf</link>
                <pubDate>Wed, 06 May 26 16:04:03 -0400</pubDate>
                <guid isPermalink="true">https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001143513-26-000009/0001143513-26-000009.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[3 - Initial statement of beneficial ownership of securities]]></title>
                <description><![CDATA[2 Related Documents: 3, EX-24.1]]></description>
                <link>https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0002127997-26-000002/0002127997-26-000002.pdf</link>
                <pubDate>Tue, 07 Apr 26 17:26:12 -0400</pubDate>
                <guid isPermalink="true">https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0002127997-26-000002/0002127997-26-000002.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[3 - Initial statement of beneficial ownership of securities]]></title>
                <description><![CDATA[2 Related Documents: 3, EX-24.1]]></description>
                <link>https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0002127993-26-000002/0002127993-26-000002.pdf</link>
                <pubDate>Tue, 07 Apr 26 17:18:43 -0400</pubDate>
                <guid isPermalink="true">https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0002127993-26-000002/0002127993-26-000002.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[3 - Initial statement of beneficial ownership of securities]]></title>
                <description><![CDATA[2 Related Documents: 3, EX-24]]></description>
                <link>https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0002042371-26-000008/0002042371-26-000008.pdf</link>
                <pubDate>Mon, 30 Mar 26 09:37:58 -0400</pubDate>
                <guid isPermalink="true">https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0002042371-26-000008/0002042371-26-000008.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[8-K - Current report]]></title>
                <description><![CDATA[2 Related Documents: 8-K, EX-99.1]]></description>
                <link>https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001193125-26-118675/0001193125-26-118675.pdf</link>
                <pubDate>Mon, 23 Mar 26 08:48:31 -0400</pubDate>
                <guid isPermalink="true">https://www.gladstonecapital.com/investors/sec-filings/all-sec-filings/content/0001193125-26-118675/0001193125-26-118675.pdf</guid>
                                                                            </item>
            </channel>
</rss>