UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):

July 31, 2026

OXFORD SQUARE CAPITAL CORP.

(Exact name of registrant as specified in its charter)

Maryland 814-00638 20-0188736
(State or other jurisdiction
of incorporation)
(Commission File Number) (I.R.S. Employer
Identification No.)

8 Sound Shore Drive, Suite 255

Greenwich, CT 06830

(Address of principal executive offices and zip code)

(203) 983-5275

(Registrant’s telephone number, including area code)

n/a

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered
Common stock, par value $0.01 per share OXSQ NASDAQ Global Select Market LLC
5.50% Notes due 2028 OXSQG NASDAQ Global Select Market LLC
7.75% Notes due 2030 OXSQH NASDAQ Global Select Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events

On July 31, 2026, Oxford Square Capital Corp. (the “Company”) issued a press release announcing its financial results for the second quarter ended June 30, 2026. The text of the press release is included as Exhibit 99.1 to this Form 8-K and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No. Description
99.1 Press release dated July 31, 2026
104 Cover Page Interactive Data File (embedded within the inline XBRL document).

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: July 31, 2026 OXFORD SQUARE CAPITAL CORP.
By: /s/ Saul B. Rosenthal
Saul B. Rosenthal
President

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