Initial Statement of Beneficial Ownership of Securities

This filing is an initial statement of beneficial ownership of securities for Michael Jon McQuigg, an insider at Gladstone Capital Corp. The filing indicates that Mr. McQuigg, who holds the title of Executive Vice President, directly owns 500 shares of the company's Common Stock following a recent transaction. The document was signed on March 30, 2026, with the reporting period ending on March 20, 2026. The filing is made in accordance with SEC requirements for reporting insider transactions and ownership.