Oxford Square Capital Corp.

Item 8.01 Other Events. On September 14, 2026, Oxford Square Capital Corp. (the “Company”) notified U.S. Bank Trust Company, National Association, the trustee (the “Trustee”) for the Company’s 5.50% Notes due 2028 (CUSIP No. 69181V 503; NasdaqGS: OXSQG) (the “Notes”), of the Company’s election to redeem $15,000,000 in aggregate principal amount of the Notes outstanding, and instructed the Trustee to provide notice of such redemption to the holders of the Notes in accordance with the terms of the indenture governing the Notes. The Company expects to redeem $15,000,000 of the $80.5 million Notes issued and outstanding on October 14, 2026 (the “Redemption Date”). The redemption price per Note will be $25 plus accrued and unpaid interest thereon from July 31, 2026 to, but excluding, the Redemption Date. The Notes should be presented and surrendered by mail, hand or overnight mail at U.S. Bank Corporate Trust Services, 111 Fillmore Avenue E., St. Paul, MN 55107, Attention: Oxford Square Capital Corp. (Glen Fougere) (5.50% Notes Due 2028). This Current Report on Form 8-K does not constitute a notice of redemption of the Notes. FORWARD-LOOKING STATEMENTS All statements other than statements of historical facts included in this Current Report on Form 8-K are forward-looking statements and are not guarantees of future events, performance or results and involve a number of risks and uncertainties. Actual events or results may differ materially from those in the forward-looking statements as a result of a number of factors, including those described from time to time in the Company’s filings with the Securities and Exchange Commission. The Company undertakes no duty to update any forward-looking statement made herein. You should not place undue influence on such forward-looking statements as such statements speak only as of the date on which they are made. The Company may use words such as “anticipates,” “expects,” “intends,” “plans,” “will,” “may,” “continue,” “believes,” “seeks,” “estimates,” “would,” “could,” “should,” “targets,” “projects,” and variations of these words and similar expressions to identify forward-looking statements. Such statements are based on currently available operating, financial and competitive information and are subject to various risks and uncertainties that could cause actual events or results to differ materially from the Company’s historical experience and its present expectations.