Form 8-K

8-K — Oxford Square Capital Corp.

Accession: 0001213900-26-099703

Filed: 2026-09-14

Period: 2026-09-14

CIK: 0001259429

Item: Other Events

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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):

September 14, 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)

(IRS Employer

Identification No.)

8 Sound Shore Drive, Suite 255

Greenwich CT

06830

(Address of principal executive offices)

(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

filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General

Instructions A.2. below):

☐ 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 Exchange 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 (§ 230.405 of this chapter) or Rule 12b-2 of the

Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

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.

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.

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.

Oxford Square Capital Corp.

Date: September 14, 2026

By:

/s/ Saul B. Rosenthal

Name:

Saul B. Rosenthal

Title:

President

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Entity Registrant Name

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Entity Incorporation, State or Country Code

Entity Address, Address Line One

8 Sound Shore Drive

Entity Address, Address Line Two

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Entity Address, City or Town

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Entity Address, State or Province

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Stock, par value $0.01 per share

Trading Symbol

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Security Exchange Name

NASDAQ

5.50% Notes due 2028

Title of 12(b) Security

5.50%

Notes due 2028

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Security Exchange Name

NASDAQ

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Security Exchange Name

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