Registration Statement by Closed-End Investment Company (Form N-2)

As filed with the Securities and Exchange Commission on September 25, 2025

Securities Act File No. 333-

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

____________________________________________________________

FORM N-2

____________________________________________________________

REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933 ☒
Pre-Effective Amendment No. ☐
Post-Effective Amendment No. ☐

____________________________________________________________

OXFORD SQUARE CAPITAL CORP.
(Exact Name of Registrant as Specified in Charter)

____________________________________________________________

8 Sound Shore Drive, Suite 255
Greenwich, CT 06830
(Address of Principal Executive Offices)

(203) 983-5275
(Registrant's Telephone Number, including Area Code)

Jonathan H. Cohen
Chief Executive Officer
Oxford Square Capital Corp.
8 Sound Shore Drive, Suite 255
Greenwich, CT 06830
(Name and Address of Agent for Service)

____________________________________________________________

COPIES TO:
Harry S. Pangas, Esq.
Dechert LLP
1900 K Street NW
Washington, DC 20006
Tel: (202) 261-3300
Fax: (202) 261-3333

____________________________________________________________

Approximate date of commencement of proposed public offering: As soon as practicable after the effective date of this Registration Statement.

☐Check box if the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans.

☒Check box if any securities being registered on this Form will be offered on a delayed or continuous basis in reliance on Rule 415 under the Securities Act of 1933 ("Securities Act"), other than securities offered in connection with a dividend reinvestment plan.

☒Check box if this Form is a registration statement pursuant to General Instruction A.2 or a post-effective amendment thereto.

☐Check box if this Form is a registration statement pursuant to General Instruction B or a post-effective amendment thereto that will become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act.

☐Check box if this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction B to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act.

It is proposed that this filing will become effective (check appropriate box):

☐when declared effective pursuant to Section 8(c) of the Securities Act.

If appropriate, check the following box:

☐This [post-effective] amendment designates a new effective date for a previously filed [post-effective amendment] [registration statement].

☐This Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, and the Securities Act registration statement number of the earlier effective registration statement for the same offering is: .

☐This Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, and the Securities Act registration statement number of the earlier effective registration statement for the same offering is: .

☐This Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, and the Securities Act registration statement number of the earlier effective registration statement for the same offering is: .

Check each box that appropriately characterizes the Registrant:

☐Registered Closed-End Fund (closed-end company that is registered under the Investment Company Act of 1940 ("Investment Company Act")).

☒Business Development Company (closed-end company that intends or has elected to be regulated as a business development company under the Investment Company Act).

☐Interval Fund (Registered Closed-End Fund or a Business Development Company that makes periodic repurchase offers under Rule 23c-3 under the Investment Company Act).

☒A.2 Qualified (qualified to register securities pursuant to General Instruction A.2 of this Form).

☐Well-Known Seasoned Issuer (as defined by Rule 405 under the Securities Act).

☐Emerging Growth Company (as defined by Rule 12b-2 under the Securities Exchange Act of 1934 ("Exchange Act").

☐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 7(a)(2)(B) of Securities Act.

☐New Registrant (registered or regulated under the Investment Company Act for less than 12 calendar months preceding this filing).

The Registrant hereby amends this Registration Statement on such date or dates as may be necessary to delay its effective date until the Registrant shall file a further amendment which specifically states that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933 or until the Registration Statement shall become effective on such date as the U.S. Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine.

The information in this prospectus is not complete and may be changed. We may not sell these securities until the registration statement filed with the Securities and Exchange Commission is effective. This prospectus is not an offer to sell these securities and is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted.

SUBJECT TO COMPLETION DATED September 25, 2025

PROSPECTUS

$300,000,000

Oxford Square Capital Corp.
Common Stock

We operate as a closed-end management investment company and have elected to be regulated as a business development company, or "BDC," under the Investment Company Act of 1940, as amended, or the "1940 Act." Our investment objective is to maximize our portfolio's total return. Our primary current focus is to seek an attractive risk-adjusted total return by investing primarily in corporate debt securities and, to a lesser extent, in collateralized loan obligations ("CLO"), which are structured finance investments that own corporate debt securities. CLO investments may also include warehouse facilities, which are early-stage CLO vehicles intended to aggregate loans that may be used to form the basis of a traditional CLO vehicle. We may also invest in publicly traded debt and/or equity securities. The portfolio companies in which we invest, however, will generally be considered below investment grade, and their debt securities may in turn be referred to as "junk." A portion of our investment portfolio may consist of debt investments for which issuers are not required to make significant principal payments until the maturity of the senior loans, which could result in a substantial loss to us if such issuers are unable to refinance or repay their debt at maturity. In addition, many of the debt securities we hold typically contain interest reset provisions that may make it more difficult for a borrower to repay the loan, heightening the risk that we may lose all or part of our investment. The CLO vehicles in which we invest are formed by raising various classes or "tranches" of debt (with the most senior tranches being rated "AAA" to the most junior tranches typically being rated "BB" or "B") and equity. The CLO vehicles which we focus on are collateralized primarily by senior secured loans made to companies whose debt is unrated or is rated below investment grade and, to a limited extent, subordinated and/or unsecured loans and bonds. Below investment grade securities, such as the CLO securities in which we primarily intend to invest, are often referred to as "junk."

We may offer, from time to time, in one or more offerings or series, up to $300,000,000 of our common stock, preferred stock, debt securities, subscription rights to purchase shares of our common stock, or warrants representing rights to purchase shares of our common stock, preferred stock or debt securities, which we refer to, collectively, as our "securities." The preferred stock, subscription rights, warrants and debt securities offered hereby may be convertible or exchangeable into shares of our common stock. The securities may be offered at prices and on terms to be described in one or more supplements to this prospectus.

In the event we offer common stock, the offering price per share of our common stock less any underwriting discounts or commissions will generally not be less than the net asset value per share of our common stock at the time we make the offering. However, we may issue shares of our common stock pursuant to this prospectus at a price per share that is less than our net asset value per share (i) in connection with a rights offering to our existing stockholders, (ii) with the prior approval of the majority of our common stockholders or (iii) under such other circumstances as the Securities and Exchange Commission, or the "SEC," may permit.

Our securities may be offered directly to one or more purchasers, or through agents designated from time to time by us, or to or through underwriters or dealers. Each prospectus supplement relating to an offering will identify any agents or underwriters involved in the sale of our securities, and will disclose any applicable purchase price, fee, discount or commissions arrangement between us and our agents or underwriters or among our underwriters or the basis upon which such amount may be calculated. See "Plan of Distribution." We may not sell any of our securities through agents, underwriters or dealers without delivery of this prospectus and a prospectus supplement describing the method and terms of the offering of such securities.

Our common stock is traded on the Nasdaq Global Select Market under the symbol "OXSQ." On September 19, 2025, the last reported sales price on the Nasdaq Global Select Market for our common stock was $1.93 per share. On June 30, 2025, our net asset value was $2.06 per share.

Our 5.50% Unsecured Notes due 2028 (the "5.50% Unsecured Notes") are currently listed on the NASDAQ Global Select Market under the symbol "OXSQG". The reported closing price for our 5.50% Unsecured Notes on September 19, 2025 was $23.95 per note.

Our 7.75% Unsecured Notes due 2030 (the "7.75% Unsecured Notes") are currently listed on the NASDAQ Global Select Market under the symbol "OXSQH". The reported closing price for our 7.75% Unsecured Notes on September 19, 2025 was $25.22 per note.

Investing in our securities involves a high degree of risk, including credit risk, the risk of the use of leverage and the risk of dilution, and is highly speculative. In addition, shares of closed-endinvestment companies, including BDCs, frequently trade at a discount to their net asset values. If our shares of our common stock trade at a discount to our net asset value, it will likely increase the risk of loss for purchasers in an offering made pursuant to this prospectus or any related prospectus supplement. Before investing in our securities, you should read the discussion of the material risks of investing in our securities, including the risk of leverage and dilution, in "Risk Factors" beginning on page 7 of this prospectus or otherwise incorporated by reference herein and included in, or incorporated by reference into, the applicable prospectus supplement and in any free writing prospectuses we have authorized for use in connection with a specific offering, and under similar headings in the other documents that are incorporated by reference into this prospectus.

This prospectus describes some of the general terms that may apply to an offering of our securities. We will provide the specific terms of these offerings and securities in one or more supplements to this prospectus. We may also authorize one or more free writing prospectuses to be provided to you in connection with these offerings. The accompanying prospectus supplement and any related free writing prospectus may also add, update, or change information contained in this prospectus. You should carefully read this prospectus, the accompanying prospectus supplement, any related free writing prospectus and the documents incorporated by reference herein, before investing in our securities and keep them for future reference. We also file periodic and current reports, proxy statements and other information about us with the SEC (http://www.sec.gov), which is available free of charge by contacting Oxford Square Capital Corp. at 8 Sound Shore Drive, Suite 255, Greenwich, CT 06830 or by telephone at (203) 983-5275, or by visiting our website (www.oxfordsquarecapital.com). The information found on, or otherwise accessible through, our website is not incorporated into, and does not form a part of this prospectus or any other report or document we file with or furnish to the SEC.

Neither the SEC nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

This prospectus may not be used to consummate sales of securities unless accompanied by a prospectus supplement.

, 2025

TABLE OF CONTENTS

ABOUT THIS PROSPECTUS

This prospectus is part of a registration statement that we have filed with the SEC, using the "shelf" registration process. Under this shelf registration statement, we may offer, from time to time, in one or more offerings, up to $300,000,000 of our common stock, preferred stock, debt securities, subscription rights to purchase shares of our common stock, and/or warrants representing rights to purchase shares of our common stock, preferred stock or debt securities, on terms to be determined at the time of the offering. See "Plan of Distribution" for more information.

This prospectus provides you with a general description of the securities that we may offer. Each time we use this prospectus to offer securities, we will provide a prospectus supplement that will contain specific information about the terms of that offering. We may also authorize one or more free writing prospectuses to be provided to you that may contain material information relating to these offerings. In a prospectus supplement or free writing prospectus, we may also add, update, or change any of the information contained in this prospectus or in the documents we have incorporated by reference into this prospectus. This prospectus, together with the applicable prospectus supplement, any related free writing prospectus, and the documents incorporated by reference into this prospectus and the applicable prospectus supplement, will include all material information relating to the applicable offering. Before buying any of the securities being offered, please carefully read this prospectus, any accompanying prospectus supplement, any free writing prospectus and the documents incorporated by reference in this prospectus and any accompanying prospectus supplement.

This prospectus may contain estimates and information concerning our industry, including market size and growth rates of the markets in which we participate, that are based on industry publications and other third-partyreports. This information involves many assumptions and limitations, and you are cautioned not to give undue weight to these estimates. We have not independently verified the accuracy or completeness of the data contained in these industry publications and reports. The industry in which we operate is subject to a high degree of uncertainty and risk due to a variety of factors, including those described or referenced in the section titled "Risk Factors," that could cause results to differ materially from those expressed in these publications and reports.

This prospectus includes summaries of certain provisions contained in some of the documents described in this prospectus, but reference is made to the actual documents for complete information. All of the summaries are qualified in their entirety by the actual documents. Copies of some of the documents referred to herein have been filed or incorporated by reference, or will be filed or incorporated by reference, as exhibits to the registration statement of which this prospectus is a part, and you may obtain copies of those documents as described in the section titled "Available Information."

You should rely only on the information included or incorporated by reference in this prospectus, any prospectus supplement or in any free writing prospectus prepared by us or on our behalf or to which we have referred you. We have not authorized any dealer, salesperson or other person to provide you with different information or to make representations as to matters not stated in this prospectus, in any accompanying prospectus supplement or in any free writing prospectus prepared by us or on our behalf or to which we have referred you. We take no responsibility for, and can provide no assurance as to the reliability of, any other information that others may give you. If anyone provides you with different or inconsistent information, you should not rely on it. This prospectus, any accompanying prospectus supplement and any free writing prospectus prepared by us or on our behalf or to which we have referred you do not constitute an offer to sell, or a solicitation of an offer to buy, any securities by any person in any jurisdiction where it is unlawful for that person to make such an offer or solicitation or to any person in any jurisdiction to whom it is unlawful to make such an offer or solicitation. You should not assume that the information included or incorporated by reference in this prospectus, in any accompanying prospectus supplement or in any such free writing prospectus is accurate as of any date other than their respective dates. Our financial condition, results of operations and prospects may have changed since any such date. To the extent required by law, we will amend or supplement the information contained or incorporated by reference in this prospectus and any accompanying prospectus supplement to reflect any material changes to such information subsequent to the date of the prospectus and any accompanying prospectus supplement and prior to the completion of any offering pursuant to the prospectus and any accompanying prospectus supplement.

SUMMARY

This summary highlights some of the information included elsewhere in this prospectus or incorporated by reference. It is not complete and may not contain all of the information that you may want to consider before investing in our securities. You should carefully read the entire prospectus, the applicable prospectus supplement, and any related free writing prospectus, including the risks of investing in our securities discussed in the section titled "Risk Factors" in the applicable prospectus supplement and any related free writing prospectus, and under similar headings in the other documents that are incorporated by reference into this prospectus and the applicable prospectus supplement. Before making your investment decision, you should also carefully read the information incorporated by reference into this prospectus, including our financial statements and related notes, and the exhibits to the registration statement of which this prospectus is a part.

Except where the context requires otherwise, the terms "OXSQ," "Company," "we," "us" and "our" refer to Oxford Square Capital Corp.; "Oxford Square Management" refers to Oxford Square Management, LLC; and "Oxford Funds" refers to Oxford Funds, LLC.

Overview

We operate as a closed-endmanagement investment company that has elected to be regulated as a business development company ("BDC") under the Investment Company Act of 1940, as amended (the "1940 Act"). We have elected to be treated for tax purposes as a regulated investment company ("RIC") under Subchapter M of the Internal Revenue Code of 1986, as amended (the "Code") beginning with our 2003 taxable year. Our investment objective is to maximize our portfolio's total return. Our primary current focus is to seek an attractive risk-adjustedtotal return by investing primarily in corporate debt securities and, to a lesser extent, in collateralized loan obligation ("CLO") structured finance investments that own corporate debt securities. CLO investments may also include warehouse facilities, which are early-stageCLO vehicles intended to aggregate loans that may be used to form the basis of a traditional CLO vehicle. We may also invest in publicly traded debt and/or equity securities. As a BDC, we may not acquire any asset other than "qualifying assets" unless, at the time we make the acquisition, the value of our qualifying assets represents at least 70% of the value of our total assets.

Our capital is generally used by our corporate borrowers to finance organic growth, acquisitions, recapitalizations and working capital. Our investment decisions are based on extensive analysis of potential portfolio companies' business operations supported by an in-depthunderstanding of the quality of their recurring revenues and cash flow, variability of costs and the inherent value of their assets, including proprietary intangible assets and intellectual property. In making our CLO investments, we consider the indenture structure for that vehicle, its operating characteristics and compliance with its various indenture provisions, as well as its corporate loan-basedcollateral pool.

We generally expect to invest between $5.0 million and $25.0 million in each of our portfolio investments, although this investment size may vary as the size of our capital base changes and market conditions warrant. We invest in both fixed and variable interest rate structures. We expect that our investment portfolio will be diversified among a large number of investments with few investments, if any, exceeding 5% of the total portfolio.

The structures of our investments will vary and we seek to invest across a wide range of different industries. We seek to invest in entities that, as a general matter, have been operating for at least one year prior to the date of our investment and that will, at the time of our investment, have employees and revenues, and which are cash flow positive. Many of these companies are expected to have financial backing provided by other financial or strategic sponsors at the time we make an investment. The portfolio companies in which we invest, however, will generally be considered below investment grade, and their debt securities may in turn be referred to as "junk." A portion of our investment portfolio may consist of debt investments for which issuers are not required to make significant principal payments until the maturity of the senior loans, which could result in a substantial loss to us if such issuers are unable to refinance or repay their debt at maturity. In addition, many of the debt securities we hold typically contain interest reset provisions that may make it more difficult for a borrower to repay the loan, heightening the risk that we may lose all or part of our investment.

We also purchase portions of equity and junior debt tranches of CLO vehicles. Substantially all of the CLO vehicles in which we may invest would be deemed to be investment companies under the 1940 Act but for the exceptions set forth in section 3(c)(1) or section 3(c)(7). Structurally, CLO vehicles are entities formed to originate and/or acquire a portfolio of loans. The loans within the CLO vehicle are limited to loans which meet established credit

criteria and are subject to concentration limitations in order to limit a CLO vehicle's exposure to a single credit. A CLO vehicle is formed by raising various classes or "tranches" of debt (with the most senior tranches being rated "AAA" to the most junior tranches typically being rated "BB" or "B") and equity. The CLO vehicles which we focus on are collateralized primarily by senior secured loans made to companies whose debt is unrated or is rated below investment grade and, to a limited extent, subordinated and/or unsecured loans and bonds. CLOs generally have very little or no exposure to real estate, mortgage loans or to pools of consumer-baseddebt, such as credit card receivables or auto loans. Below investment grade securities, such as the CLO securities in which we primarily intend to invest, are often referred to as "junk." In addition, the CLO equity and junior debt securities in which we invest are highly levered (with CLO equity securities typically being leveraged between nine and thirteen times), which significantly magnifies our risk of loss on such investments relative to senior debt tranches of CLOs. A CLO itself is highly leveraged because it borrows significant amounts of money to acquire the underlying commercial loans in which it invests. A CLO borrows money by issuing debt securities to investors (including junior debt securities of the type we intend to invest), and the CLO equity (which is also the CLO residual tranche) is the first to bear the risk on the underlying investment. Our investment strategy also includes warehouse facilities, which are financing structures intended to aggregate loans that may be used to form the basis of a CLO vehicle. Warehouse facilities typically incur leverage between four and six times prior to a CLO's pricing.

We have historically borrowed funds to make investments and may continue to do so. As a result, we are exposed to the risks of leverage, which may be considered a speculative investment technique. Borrowings, also known as leverage, magnify the potential for gain and loss on amounts invested and therefore increase the risks associated with investing in our securities. In addition, the costs associated with our borrowings, including any increase in the advisory fee payable to Oxford Square Management, will be borne by our common stockholders.

See "Business" in Part I, Item 1 in our most recent Annual Report on Form 10-Kfor additional information about us and our investment adviser, Oxford Square Management.

5.50% Unsecured Notes due 2028 (the "5.50% Unsecured Notes")

On May 20, 2021, we completed an underwritten public offering of approximately $80.5 million in aggregate principal amount of the 5.50% Unsecured Notes. The 5.50% Unsecured Notes will mature on July 31, 2028, and may be redeemed in whole or in part at any time or from time to time at our option (on or after May 31, 2024). The 5.50% Unsecured Notes bear interest at a rate of 5.50% per year payable quarterly on January 31, April 30, July 31, and October 31, of each year. The 5.50% Unsecured Notes are listed on the NASDAQ Global Select Market under the trading symbol "OXSQG."

7.75% Unsecured Notes (the "7.75% Unsecured Notes")

On August 7, 2025, we completed an underwritten public offering of approximately $74.8 million in aggregate principal amount of the 7.75% Unsecured Notes. The 7.75% Unsecured Notes will mature on July 31, 2030, and may be redeemed in whole or in part at any time or from time to time at our option on or after July 31, 2027. The 7.75% Unsecured Notes bear interest at a rate of 7.75% per year payable quarterly on January 31, April 30, July 31 and October 31 of each year. The 7.75% Unsecured Notes are listed on the NASDAQ Global Select Market under the trading symbol "OXSQH."

ATM Offering

On August 22, 2023, we entered into Amendment No. 1 to the Equity Distribution Agreement dated August 1, 2019 with Ladenburg Thalmann & Co. through which we may offer for sale, from time to time, up to $150.0 million of our common stock through an At-the-Market("ATM") offering. On August 16, 2024, we entered into an amended and restated equity distribution agreement (the "Amended and Restated Equity Distribution Agreement") with Lucid Capital Markets, LLC and Ladenburg Thalmann & Co. Inc., as the sales agents, to add Lucid Capital Markets, LLC as an additional sales agent to the Amended and Restated Equity Distribution Agreement. From August 1, 2019 to September 19, 2025, we sold a total of 26,348,924 shares of common stock pursuant to the ATM offering. The total amount of capital raised as a result of these sales of common stock was approximately $75.5 million and net proceeds were approximately $73.9 million after deducting the sales agent's commissions and offering expenses.

Organizational and Regulatory Structure

Our investment activities are managed by Oxford Square Management. Oxford Square Management is an investment adviser registered under the Investment Advisers Act of 1940, as amended (the "Advisers Act"). Oxford Square Management is owned by Oxford Funds, its managing member, and Charles M. Royce, a member of our Board of Directors who holds a minority, non-controllinginterest in Oxford Square Management. Jonathan H. Cohen, our Chief Executive Officer, and Saul B. Rosenthal, our President and Chief Operating Officer, directly or indirectly own or control all of the outstanding equity interests of Oxford Funds. Under the investment advisory agreement (the "Investment Advisory Agreement"), we have agreed to pay Oxford Square Management an annual base advisory fee based on our gross assets as well as an incentive fee based on our performance. See "Management and Other Agreements" in this prospectus.

We were founded in July 2003 and completed an initial public offering of shares of our common stock in November 2003. We are a Maryland corporation and a closed-endmanagement investment company that has elected to be regulated as a BDC under the 1940 Act. As a BDC, we are required to meet certain regulatory tests, including the requirement to invest at least 70% of our total assets in eligible portfolio companies. See "Item 1. Business - Regulation as a Business Development Company" in our most recent Annual Report on Form 10-K. In addition, we have elected to be treated for U.S. federal income tax purposes, and intend to qualify annually, as a RIC under Subchapter M of the Code.

Set forth below is a chart detailing our organizational structure as of June 30, 2025.

Our Corporate Information

Our headquarters are located at 8 Sound Shore Drive, Suite 255, Greenwich, Connecticut and our telephone number is (203) 983-5275.

Where You Can Find Additional Information

We have filed with the SEC a registration statement on Form N-2together with all amendments and related exhibits under the Securities Act of 1933, as amended, or the "Securities Act." The registration statement contains additional information about us and the securities being offered by this prospectus.

We file annual, quarterly and current reports, proxy statements and other information with the SEC under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). The information we file with the SEC is available free of charge by contacting us at 8 Sound Shore Drive, Suite 255, Greenwich, CT 06830, by telephone at (203) 983-5275or on our website at www.oxfordsquarecapital.com. Information contained on our website or on the SEC's web site about us is not incorporated into this prospectus and you should not consider information contained on our website or on the SEC's website to be part of this prospectus.

FEES AND EXPENSES

The following table is intended to assist you in understanding the costs and expenses that you will bear directly or indirectly. We caution you that some of the percentages indicated in the table below are estimates and may vary. Except where the context suggests otherwise, whenever this prospectus contains a reference to fees or expenses paid by "us" or "OXSQ," or that "we" will pay fees or expenses, you will indirectly bear such fees or expenses as an investor in OXSQ.

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(1) In the event that the securities to which this prospectus relates are sold to or through underwriters, a corresponding prospectus supplement will disclose the applicable sales load and the "Example" will be updated accordingly.

(2) The prospectus supplement corresponding to each offering will disclose the applicable offering expenses and total stockholder transaction expenses as a percentage of the offering price.

(3) The expenses of the distribution reinvestment plan are included in "other expenses. " The plan administrator's fees will be paid by us. We will not charge any brokerage charges or other charges to stockholders who participate in the plan. However, your own broker may impose brokerage charges in connection with your participation in the plan.

(4) Assumes gross assets (which equals the total assets on our Statements of Assets and Liabilities as of June 30, 2025 adjusted as described in this footnote) of $362.2 million and $155.3 million of leverage (including $80.5 million in aggregate principal of our 5.50% Unsecured Notes and $74.8 million in aggregate principal of our 7.75% Unsecured Notes, in each case, as of September 19, 2025, and less any respective amortization of deferred issuance costs, as well as the redemption of the remaining approximately $34.8 million in aggregate principal of our 6.25% Unsecured Notes), and assumes net assets of $207.4 million (which has been adjusted to reflect the net issuance of an additional $50.0 million of common stock). For purposes of this table, the SEC requires our base management fee to be calculated as a percentage of our net assets. Our base management fee under the Investment Advisory Agreement, however, is based on our gross assets, which is defined as all the assets of Oxford Square Capital Corp., including those acquired using borrowings for investment purposes. As a result, to the extent we use additional leverage, it would have the effect of increasing our base management fee as a percentage of our net assets. See "Management and Other Agreements" in this prospectus for additional information.

(5) Assumes no annual incentive fees earned by Oxford Square Management. Oxford Square Management did not earn incentive fees during the year ended December 31, 2024 due to the Total Return Requirement (as defined below). In subsequent periods, incentive fees may be earned by Oxford Square Management if, and to the extent that, we earn greater investment income through our investments in portfolio companies and realize additional gains upon the sale of investments in such companies. The incentive fee consists of two parts. The first part, which is payable quarterly in arrears, equals the amount by which (x) the "Pre-IncentiveFee Net Investment Income" for the immediately preceding calendar quarter exceeds (y) the "Preferred Return Amount" for that calendar quarter. Effective April 1, 2016, a "Preferred Return Amount" is calculated on a quarterly basis by multiplying 1.75% by the Company's net asset value at the end of the immediately preceding calendar quarter. The net investment income incentive fee is then calculated as follows: (a) no net investment income incentive fee is payable to Oxford Square Management in any calendar quarter in which the "Pre-IncentiveFee Net Investment Income" does not exceed the "Preferred Return Amount"; (b) 100% of the "Pre-IncentiveFee Net Investment Income" for such quarter, if any, that exceeds the "Preferred Return Amount" but is less than or equal to a "Catch-UpAmount" determined on a quarterly basis by multiplying 2.1875% by OXSQ's net asset value at the end of such calendar quarter; and (c) for any quarter in which the "Pre-IncentiveFee Net Investment Income" exceeds the "Catch-UpAmount," the net investment income incentive fee will be 20% of the amount of the "Pre-IncentiveFee Net Investment Income" for such quarter. In addition, effective April 1, 2016, the calculation of the Company's net investment income incentive fee is subject to a total return requirement, (the "Total Return Requirement") which provides that a net investment income incentive fee will not be payable to Oxford Square Management except to the extent 20% of the "cumulative net increase in net assets resulting from operations" (which is the amount, if positive, of the sum of the "Pre-IncentiveFee Net Investment Income," realized gains and losses and unrealized appreciation and depreciation) during the calendar quarter for which such fees are being calculated and the eleven(11) preceding quarters exceeds the cumulative net investment income incentive fees accrued and/or paid for

such eleven(11) preceding quarters. The second part of the incentive fee equals 20.0% of our net realized capital gains for the calendar year less any unrealized losses for such year and will be payable at the end of each calendar year. It should be noted that no capital gains incentive fee was calculated as of December 31, 2024, which is calculated based upon an assumed liquidation of the entire portfolio, and no other changes in realized or unrealized gains and losses, as of December 31, 2024 and the termination of the Investment Advisory Agreement on such date. For a more detailed discussion of the calculation of the incentive fees, see "Investment Advisory Agreement" in this prospectus.

(6) Assumes that we have $155.3 million of outstanding principal borrowings as of September 19, 2025. The calculation also assumes an effective interest rate of 5.99% (including amortization of deferred issuance costs) on the approximately $80.5 million of 5.50% Unsecured Notes outstanding as of September 19, 2025 and an effective interest rate of 8.59% (including amortization of deferred issuance costs) on the approximately $74.8 million of 7.75% Unsecured Notes outstanding as of September 19, 2025. This table includes all of the commitment fees, interest expense and amortized financing costs of 5.50% Unsecured Notes and 7.75% Unsecured Notes, as well as the fees and expenses of issuing and servicing any other borrowings or leverage that the Company expects to incur during the 12 months following the effectiveness of such registration statement of which this prospectus forms a part. We may issue preferred stock, which may be considered a form of leverage, pursuant to the registration statement of which the prospectus forms a part, although we have no current plans to do so during the 12 months following effectiveness of such registration statement of which this prospectus forms a part.

(7) "Other expenses" is based on annualized actual expenses from the six months ended June 30, 2025, and adjusted for any new and non-recurringexpenses, such as an assumed issuance of an additional $50.0 million of common stock. These expenses include certain expenses allocated to the Company under the Investment Advisory Agreement. In the event of a debt restructuring or extinguishment, we may incur a loss comprised of deferred financing costs which may cause actual expenses to exceed those amounts projected in the table.

(8) "Total annual expenses" is presented as a percentage of net assets attributable to common stockholders, because the holders of shares of our common stock (and not the holders of our debt securities or preferred stock, if any) bear all of our fees and expenses. The indirect expenses associated with the Company's CLO equity investments are not included in the fee table presentation, but if such expenses were included in the fee table presentation then OXSQ's total annual expenses would have been 15.06%.

Example

The following example demonstrates the projected dollar amount of total cumulative expenses that would be incurred over various periods with respect to a hypothetical investment in our common stock. In calculating the following expense amounts, we have assumed that our operating expenses would remain at the levels set forth in the table above.

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(1) Assumes that we will not realize any capital gains computed net of all realized capital losses and unrealized capital depreciation.

(2) Assumes no unrealized capital depreciation and a 5% annual return resulting entirely from net realized capital gains and not otherwise deferrable under the terms of the Investment Advisory Agreement and therefore subject to the incentive fee based on capital gains. Because our investment strategy involves investments that generate primarily current income, we believe that a 5% annual return resulting entirely from net realized capital gains is unlikely.

The example and the expenses in the tables above should not be considered a representation of our future expenses, and actual expenses may be greater or less than those shown. Moreover, while the example assumes, as required by the SEC, a 5.0% annual return, our performance will vary and may result in a return greater or less than 5.0%. The income incentive fee under our Investment Advisory Agreement, which, assuming a 5% annual return, would either not be payable or would have an insignificant impact on the expense amounts shown above, is not included in the example. If we achieve sufficient returns on our investments to trigger an income incentive fee of a material amount, our expenses, and returns to our investors, would be higher. In addition, while the example assumes reinvestment of all distributions at net asset value, participants in our distribution reinvestment plan may receive shares valued at the market price in effect at that time. This price may be at, above or below net asset value. See "Distribution Reinvestment Plan" for additional information regarding our distribution reinvestment plan.

FINANCIAL HIGHLIGHTS

Information regarding our financial highlights is incorporated by reference herein from our most recent Annual Report on Form 10-Kfor the fiscal year ended December 31, 2024, filed with the SEC on March 5, 2025, and our most recent Quarterly Report on Form 10-Qfor the quarter ended June 30, 2025, filed with the SEC on August 12, 2025.

RISK FACTORS

Investing in our securities involves a number of significant risks. Before you invest in our securities, you should be aware of and carefully consider the various risks associated with the investment, including those described in this prospectus, any accompanying prospectus supplement, any related free writing prospectus we may authorize in connection with a specific offering, "Part I, Item IA. Risk Factors" in our most recent Annual Report on Form 10-Kfor the fiscal year ended December 31, 2024, filed with the SEC on March 5, 2025, which is incorporated by reference herein in its entirety, and any document incorporated by reference herein. You should carefully consider these risk factors, together with all of the other information included in this prospectus, any accompanying prospectus supplement and any related free writing prospectus we may authorize in connection with a specific offering, before you decide whether to make an investment in our securities. The risks set out and described in these documents are not the only risks we face. Additional risks and uncertainties not presently known to us or not presently deemed material by us may also impair our business, operations and performance. If any of the following events occur, our business, financial condition and results of operations could be materially and adversely affected. In such case, you may lose all or part of your investment. Please also read carefully the section titled "Cautionary Statement Regarding Forward-LookingStatements."

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

This prospectus, including the documents that we incorporate by reference herein, contains forward-lookingstatements that involve substantial risks and uncertainties. These forward-lookingstatements are not historical facts, but rather are based on current expectations, estimates and projections about Oxford Square, our current and prospective portfolio investments, our industry, our beliefs, and our assumptions. 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 are intended to identify forward-lookingstatements. The forward-lookingstatements contained in this prospectus involve risks and uncertainties, including statements as to:

• our future operating results, including our ability to achieve objectives;

• our business prospects and the prospects of our portfolio companies;

• the impact of investments that we expect to make;

• our contractual arrangements and relationships with third parties;

• the dependence of our future success on the general economy and its impact on the industries in which we invest;

• the ability of our portfolio companies to achieve their objectives;

• the valuation of our investments in portfolio companies and CLOs, particularly those having no liquid trading market;

• market conditions and our ability to access alternative debt markets and additional debt and equity capital;

• our expected financings and investments;

• the adequacy of our cash resources and working capital;

• the timing of cash flows, if any, from the operations of our portfolio companies and CLO investments; and

• the ability of our investment adviser to locate suitable investments for us and monitor and administer our investments.

These statements are not guarantees of future performance and are subject to risks, uncertainties, and other factors, some of which are beyond our control and difficult to predict and could cause actual results to differ materially from those expressed or forecasted in the forward-lookingstatements, including without limitation:

• an economic downturn could impair our portfolio companies' and CLO investments' ability to continue to operate, which could lead to the loss of some or all of our investments in such portfolio companies and CLO investments;

• a contraction of available credit and/or an inability to access the equity markets could impair our lending and investment activities;

• interest rate volatility could adversely affect our results, particularly because we use leverage as part of our investment strategy;

• inflation and its impact on our investment activities and the industries in which we invest;

• currency fluctuations could adversely affect the results of our investments in foreign companies, particularly to the extent that we receive payments denominated in foreign currency rather than U.S. dollars;

• the impact of information technology system failures, data security breaches, data privacy compliance, network disruptions and cybersecurity attacks; and

• the risks, uncertainties and other factors we identify in "Item 1A. Risk Factors" in our most recent Annual Report on Form 10-K, as well as in any of our subsequent SEC filings.

Although we believe that the assumptions on which these forward-lookingstatements are based are reasonable, any of those assumptions could prove to be inaccurate, and as a result, the forward-lookingstatements based on those assumptions also could be inaccurate. Important assumptions include our ability to originate new loans and investments, certain margins and levels of profitability and the availability of additional capital. In light of these and other uncertainties, the inclusion of a projection or forward-lookingstatement in this prospectus should not be regarded as a representation by us that our plans and objectives will be achieved. These risks and uncertainties include those described or identified in "Item 1A. Risk Factors" in our most recent Annual Report on Form 10-K, as well as in any of our subsequent SEC filings. You should not place undue reliance on these forward-lookingstatements, which apply only as of the date of this prospectus. However, we will update this prospectus, and the documents that we incorporate by reference herein, to reflect any material changes to the information contained herein. Because we are an investment company, the forward-lookingstatements and projections contained in this prospectus, including the documents that we incorporate by reference herein, are excluded from the safe harbor protections provided by Section 27A of the Securities Act and Section 21E of the Exchange Act (the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995).

USE OF PROCEEDS

We intend to use the net proceeds from the sale of our securities pursuant to this prospectus for general corporate purposes, which may include investments in corporate debt and equity securities and investments in collateralized loan obligations. The supplement to this prospectus relating to an offering will more fully identify the use of the proceeds from such offering.

We estimate that it will take up to six months for us to substantially invest the net proceeds of any offering made pursuant to this prospectus, depending on the availability of attractive opportunities and market conditions. However, we can offer no assurance that we will be able to achieve this goal.

Pending these uses, we will invest such net proceeds primarily in cash, cash equivalents, and U.S. government securities and other high-qualitydebt investments that mature in one year or less, which are consistent with maintaining our election as a RIC. These temporary investments are expected to provide a lower net return than we hope to achieve from our target investments. The management fee payable by us to our investment adviser will not be reduced while our assets are invested in such temporary investments.

PRICE RANGE OF COMMON STOCK AND DISTRIBUTIONS

The following information is qualified by reference to, and should be read in conjunction with, the information in our most recent Annual Report on Form 10-Kfor the fiscal year ended December 31, 2024, filed with the SEC on March 5, 2025, and in our most recent Quarterly Report on Form 10-Qfor the quarter ended June 30, 2025, filed with the SEC on August 12, 2025, regarding the price range of our common stock, distributions and stockholders of record, which is incorporated by reference herein.

Our common stock is traded on the Nasdaq Global Select Market under the symbol "OXSQ." The following table sets forth, for each fiscal quarter during the last two fiscal years and the current fiscal year to date, the net asset value, or "NAV," per share of our common stock, the high and low intraday sales prices for our common stock, such sales prices as a percentage of NAV per share and quarterly distributions per share.

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* Net asset value has not yet been calculated for this period.

(1) Net asset value per share is determined as of the last day in the relevant quarter and therefore may not reflect the net asset value per share on the date of the high and low sales prices. The net asset values shown are based on outstanding shares at the end of each period.

(2) Calculated as the respective high or low intraday sales price divided by NAV and subtracting 1.

(3) Represents the cash distributions, including dividends, dividends reinvested and returns of capital, if any, per share that we have declared on our common stock in the specified quarter.

Shares of BDCs may trade at a market price that is less than the value of the net assets attributable to those shares. The possibility that our shares of common stock will trade at a discount from net asset value or at premiums that are unsustainable over the long term are separate and distinct from the risk that our net asset value will decrease. Since our initial public offering, shares of our common stock have traded at a discount and at a premium to the net assets attributable to those shares. It is not possible to predict whether the shares offered hereby will trade at, above, or below net asset value.

On September 19, 2025, the last reported sales price of our common stock was $1.93 per share. As of September 19, 2025, we had 130 stockholders of record.

MANAGEMENT'S DISCUSSION AND ANALYSIS OF
FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The information in "Part II, Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations" in our most recent Annual Report on Form 10-Kfor the fiscal year ended December 31, 2024, filed with the SEC on March 5, 2025, and in "Part I, Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations" in our most recent Quarterly Report on Form 10-Qfor the quarter ended June 30, 2025, filed with the SEC on August 12, 2025, is incorporated by reference herein.

SENIOR SECURITIES

The information about our senior securities (including preferred stock, debt securities and other indebtedness) for each of the years ended December 31, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016 and 2015 may be found in "Part II, Item 8. Financial Statements and Supplementary Data" of our most recent Annual Report on Form 10-Kfor the fiscal year ended December 31, 2024, filed with the SEC on March 5, 2025, and information about our senior securities for our most recently completed fiscal quarter may be found in "Part I, Item 1. Financial Statements" of our most recent Quarterly Report on Form 10-Qfor the quarter ended June 30, 2025, filed with the SEC on August 12, 2025, which are incorporated by reference herein. The report of PricewaterhouseCoopers LLP, an independent registered public accounting firm, on our financial statements as of December 31, 2024, of which the Senior Securities table as of December 2024, 2023, 2022, 2021 and 2020 is a part, has been incorporated by reference herein.

PORTFOLIO COMPANIES

The following table sets forth certain information as of June 30, 2025 regarding each portfolio company in which we have a debt or equity investment. The general terms of our loans and other investments are described in "Item 1. Business - Investment Process" in our most recent Annual Report on Form 10-K. We offer to make available significant managerial assistance to our qualified portfolio companies. We may receive rights to observe the meetings of our portfolio companies' board of directors. Other than these investments, our only relationships with our portfolio companies are the managerial assistance we may separately provide to our portfolio companies, which services would be ancillary to our investments.

OXFORD SQUARE CAPITAL CORP.

SCHEDULE OF INVESTMENTS (Unaudited)
June 30, 2025

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(1) The Company generally acquires its investments in transactions not subject to registration under the Securities Act. These investments are generally subject to restrictions as "restricted securities" (within the meaning of the Securities Act). Unless otherwise noted, all securities were acquired in transactions not subject to registration under the Securities Act.

(2) Fair value is determined in good faith by the Board of Directors of the Company.

(3) As of June 30, 2025, the portfolio includes approximately $34.9 million of principal amount of debt investments and 7,132,568 shares of preferred stock investments which contain an active payment-in-kind("PIK") provision.

(4) Notes bear interest at variable rates and are subject to an interest rate floor where disclosed. The rate disclosed is as of June 30, 2025.

(5) Cost value reflects accretion of original issue discount or market discount, or amortization of premium.

(6) Cost value reflects repayment of principal.

(7) Common stock and warrant investments were non-incomeproducing as of June 30, 2025.

(8) Aggregate gross unrealized appreciation for U.S. federal income tax purposes is $2,993,961; aggregate gross unrealized depreciation for U.S. federal income tax purposes is $138,512,277. Net unrealized depreciation is $135,518,316 based upon an estimated tax cost basis of $377,025,314 as of June 30, 2025.

(9) Cost reflects accretion of effective yield less any cash distributions received or entitled to be received from CLO equity investments.

(10) Totals may not sum due to rounding.

(11) Indicates assets that the Company believes do not represent "qualifying assets" under Section 55(a) of the 1940 Act. The Company may include CLO equity side letter related investments within CLO equity subordinated notes line items, and those side letter related investments may represent qualifying assets under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70% of the Company's total assets at the time of acquisition of any additional non-qualifyingassets. As of June 30, 2025, the Company held qualifying assets that represented 67.6% of its total assets.

(12) Investment not domiciled in the United States.

(13) Fair value includes the Company's interest in subordinated fee notes and represents discounted cash flows associated with fees earned from CLO equity investments.

(14) Aggregate investments represent greater than 5% of net assets.

(15) The CLO equity investment was optionally redeemed. Expected value of residual distributions, once received, is anticipated to be recognized as return of capital, pending any remaining amortized cost, and/or realized gain for any amounts received in excess of such amortized cost.

(16) The principal balance outstanding for this debt investment, in whole or in part, is indexed to 90-daySOFR.

(17) As of June 30, 2025, this preferred equity investment was on non-accrualstatus and no dividend income has been recognized on this investment during the six months ended June 30, 2025. The aggregate fair value of these investments was approximately $5.0 million.

(18) The CLO subordinated notes and income notes are considered equity positions in CLO vehicles. Equity investments are entitled to recurring distributions which are generally equal to the remaining cash flow of the payments made by the underlying fund's securities less contractual payments to debt holders and fund expenses. The estimated yield indicated is based on the prior quarters ending investment cost (for previously existing portfolio investments) or the original cost for those investments made during the current quarter, as well as, a current projection of the future cash flows. Such projections are periodically reviewed and adjusted, and the estimated yield may not ultimately be realized.

(19) Represents cash equivalents held in a money market fund as of June 30, 2025.

(20) The fair value of the investment was determined using significant unobservable inputs. See "Note 4. Fair Value."

(21) On November 14, 2024, Dodge Data & Analytics, LLC completed a recapitalization, by which the Company was assigned principal in new first lien first out senior secured notes and new first lien second out senior secured notes for its interest in the first lien senior secured notes and was assigned a new tranche of second lien senior secured notes for its interest in the second lien senior secured notes. The Company exchanged $4,887,500 of principal in the former first lien senior secured notes for approximately $1,098,901 principal of the first lien first out senior secured notes and approximately $3,055,474 principal of the first lien second out senior secured notes. The Company exchanged $15,000,000 of principal in the former second lien senior secured notes for $15,000,000 of principal in the new second lien senior secured notes, which currently pays all of its interest as PIK, however, there is a cash option, subject to the net leverage ratio of the first lien senior secured notes. In addition, the Company also purchased an additional $1,098,901 of principal of the first lien first out senior secured notes as part of the restructuring.

(22) On June 4, 2024, ConvergeOne Holdings, Inc. completed a recapitalization, by which the Company exchanged approximately $5,239,634 of principal in the first lien senior secured notes for approximately $934,808 of principal in new first lien senior secured notes and rights to buy 48,048 shares of common stock (which the Company elected to purchase). The Company also exchanged $15,000,000 of principal in the second lien senior secured notes for 47,727 shares of common stock.

(23) The Company holds preferred stock in UniTek Global Services, Inc. that is entitled to receive cumulative preferential dividends at a rate of 20.0% per annum payable in additional shares.

(24) The investment is co-investedwith the Company's affiliates.

(25) The principal balance outstanding for this debt investment, in whole or in part, is indexed to 30-daySOFR.

(26) Cost value reflects amortization.

(27) On June 13, 2024, Careismatic Brands, LLC completed a recapitalization, by which the Company exchanged $12,000,000 of principal in the second lien senior secured notes for 62,157 warrants to buy common stock, as well as a nominal amount of cash that the Company estimates will be approximately $68,000. This amount is included in "Other assets" on the Statements of Assets and Liabilities as of June 30, 2025.

(28) As of June 30, 2025, the effective yield has been estimated to be 0%. The aggregate projected amount of future recurring distributions and terminal principal payment is less than the amortized investment cost.

(29) On August 14, 2024, McAfee Enterprise, LLC (f/k/a Magenta Buyer, LLC) completed a recapitalization, by which the Company was assigned new tranches of a new first lien senior secured notes in exchange for its interests in the first and second lien senior secured notes. The Company exchanged $1,954,774 of principal in the former first lien senior secured notes for $234,573 of the first lien first out senior secured notes, $297,126 of the first lien second out senior secured notes, and $1,032,121 of the first lien third out senior secured notes. The Company exchanged $14,968,714 of principal in the former second lien senior secured notes for $972,966 of the first lien second out senior secured notes and $8,756,698 of the first lien third out senior secured notes. All tranches have characteristics of a traditional first lien senior secured loan, however, the first out, second out, and third out tranches are given priority with respect to payments of principal in that respective order.

(30) The principal balance outstanding for this debt investment, in whole or in part, is indexed to 180-daySOFR.

PORTFOLIO MANAGEMENT

The management of our investment portfolio is the responsibility of Oxford Square Management, and our investment adviser's investment committee, which currently consists of Jonathan H. Cohen, our Chief Executive Officer and Saul B. Rosenthal, our President and Chief Operating Officer. Our investment adviser's Investment Committee must approve each new investment that we make. The members of our investment adviser's Investment Committee are not employed by us and receive no compensation from us in connection with their portfolio management activities. Messrs. Cohen and Rosenthal, through their ownership of Oxford Funds, the managing member of Oxford Square Management, are entitled to a portion of any investment advisory fees paid by OXSQ to Oxford Square Management.

Because Oxford Square Management currently provides portfolio management services only to us, we do not believe there are any conflicts of interests with respect to Oxford Square Management's management of our portfolio on the one hand, and the management of other accounts or investment vehicles by affiliates of Oxford Square Management on the other. However, Mr. Cohen serves as Chief Executive Officer and Mr. Rosenthal serves as President of Oxford Lane Capital Corp., a non-diversifiedclosed-endmanagement investment company. Oxford Funds is the managing member of Oxford Lane Management, LLC ("Oxford Lane Management"), the investment adviser for Oxford Lane Capital Corp. Since 2018, Mr. Cohen has also served as the Chief Executive Officer of Oxford Gate Management, LLC ("Oxford Gate Management"), the investment adviser to Oxford Gate Master Fund, LLC, Oxford Gate, LLC and Oxford Gate (Bermuda), LLC (collectively, the "Oxford Gate Funds") and Oxford Bridge II, LLC. Oxford Bridge II, LLC and the Oxford Gate Funds are private investment funds. Mr. Rosenthal has also served as President of Oxford Gate Management, the investment adviser to the Oxford Gate Funds and Oxford Bridge II, LLC, since 2018. Since 2023, Mr. Cohen has also served as Chief Executive Officer of Oxford Park Income Fund, Inc., a non-diversifiedclosed-endmanagement investment company, and Oxford Park Management, LLC ("Oxford Park Management"), Oxford Park Income Fund, Inc.'s investment adviser, and Mr. Rosenthal has served as President of Oxford Park Income Fund, Inc. and Oxford Park Management since 2023. Mr. Cohen also serves on our Board of Directors, as well as the boards of directors of Oxford Lane Capital Corp. and Oxford Park Income Fund, Inc., and Mr. Rosenthal also serves on the boards of directors of Oxford Lane Capital Corp. and Oxford Park Income Fund, Inc. As a result, certain conflicts of interest may arise with respect to the management of our portfolio by Messrs. Cohen and Rosenthal on the one hand, and the obligations of Messrs. Cohen and Rosenthal to manage Oxford Lane Capital Corp., Oxford Park Income Fund, Inc., Oxford Bridge II, LLC and the Oxford Gate Funds, respectively, on the other hand.

Set forth below is additional information regarding the additional entities that are managed by Messrs. Cohen and Rosenthal:

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(1) Represents gross assets as of June 30, 2025.

(2) Includes the gross assets of Oxford Gate, LLC and Oxford Gate (Bermuda), LLC.

Investment Personnel

Our investment adviser is led by Jonathan H. Cohen, our Chief Executive Officer, and Saul B. Rosenthal, our President and Chief Operating Officer. We consider Messrs. Cohen and Rosenthal, who are the members of our investment adviser's Investment Committee, to be our portfolio managers.

The table below shows the dollar range of shares of common stock owned by each of our portfolio managers as of June 30, 2025.

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(1) Dollar ranges are as follows: None, $1 - $10,000, $10,001 - $50,000, $50,001 - $100,000, $100,001 - $500,000; $500,001 - $1,000,000 or Over $1,000,000.

(2) The dollar range of equity securities beneficially owned in us is based on the closing price for our common stock of $1.93 on September 19, 2025 on the NASDAQ Global Select Market. Beneficial ownership has been determined in accordance with Rule 16a-1(a)(2) of the Exchange Act.

The following information pertains to the members of Oxford Square Management's investment team who are not executive officers of OXSQ:

Kevin P. Yonon. Mr. Yonon is a Managing Director, Portfolio Manager of Oxford Square Management, and also holds the same position at Oxford Lane Management, Oxford Gate Management and Oxford Park Management. Previously, Mr. Yonon was an Associate at Deutsche Bank Securities and prior to that he was an Analyst at Blackstone Mezzanine Partners. Before joining Blackstone, he worked as an Analyst at Merrill Lynch in the Mergers & Acquisitions group. Mr. Yonon received a B.S. in Economics with concentrations in Finance and Accounting from the Wharton School at the University of Pennsylvania, where he graduated magna cum laude, and an M.B.A. from the Harvard Business School.

Joseph Kupka. Mr. Kupka is a Managing Director of Oxford Square Management, and also holds the same position at Oxford Lane Management, Oxford Gate Management and Oxford Park Management. Previously, he worked as a risk analyst for First Equity Card Corporation. He has a B.S. in Mechanical Engineering from the University of Pennsylvania, where he was the Abel and Bernstein Class of 1945 Scholarship Recipient.

Hooman Banafsheha. Mr. Banafsheha is a Principal of Oxford Square Management, and also holds the same position at Oxford Lane Management, Oxford Gate Management and Oxford Park Management. Previously, Mr. Banafsheha was a Vice President in the Finance division of Goldman Sachs. Prior to joining Goldman Sachs, he was a Senior Consultant at Deloitte. Mr. Banafsheha received a B.S. in Business Administration with a concentration in Finance from the State University of New York, University at Albany, where he graduated magna cum laude, and an M.B.A. from the MIT Sloan School of Management. Mr. Banafsheha has also attained the Charted Alternative Investment Analyst (CAIA) designation.

Brian Aleska. Mr. Aleksa is a Vice President for Oxford Square Management, and also holds the same position at Oxford Lane Management, Oxford Gate Management and Oxford Park Management. Previously, Mr. Aleksa was a Senior Analyst in the Capital Markets group at CBA Commercial. He received a B.A. in Accounting and Finance from Franklin & Marshall College. Mr. Aleksa is also a CFA charterholder.

Tyler Vallie. Mr. Vallie is an Associate for Oxford Square Management, and also holds the same position at Oxford Lane Management, Oxford Gate Management and Oxford Park Management. Previously, Mr. Vallie was an Operations Associate on the Operations team at Chilton Investment Company. He received a B.A. in Economics from Marist College.

Compensation

None of Oxford Square Management's investment personnel receive any direct compensation from us in connection with the management of our portfolio. Messrs. Cohen and Rosenthal, through their ownership interest in Oxford Funds, the managing member of Oxford Square Management, are entitled to a portion of any profits earned by Oxford Square Management, which includes any fees payable to Oxford Square Management under the terms of the Investment Advisory Agreement, less expenses incurred by Oxford Square Management in performing its services under the Investment Advisory Agreement. Messrs. Cohen and Rosenthal do not receive any additional compensation from Oxford Square Management in connection with the management of our portfolio. The compensation paid by Oxford Square Management to its other investment personnel includes: (i) annual base salary and (ii) portfolio-basedperformance award.

MANAGEMENT

The information in the sections titled "Proposal 1: Election of Director" and "Corporate Governance" in our most recent definitive proxy statement on Schedule 14A, filed with the SEC on July 8, 2025, for our annual meeting of stockholders (the "Annual Proxy Statement") and the information in Part III, Item 10 "Directors, Executive Officers and Corporate Governance" in our most recent Annual Report on Form 10-Kfor the fiscal year ended December 31, 2024, filed with the SEC on March 5, 2025, is incorporated herein by reference.

MANAGEMENT AND OTHER AGREEMENTS

The information in the sections titled "Investment Advisory Agreement" and "Administration Agreement," in Part I, Item 1 "Business" of our most recent Annual Report on Form 10-Kfor the fiscal year ended December 31, 2024, filed with the SEC on March 5, 2025, and in "Note 7 - Related Party Transactions" in our financial statements in our most recent Quarterly Report on Form 10-Qfor the quarter ended June 30, 2025, filed with the SEC on August 12, 2025, is incorporated herein by reference.

RELATED-PARTY TRANSACTIONS AND CERTAIN RELATIONSHIPS

The information in the section titled "Transactions with Related Persons" in our most recent Annual Proxy Statement and the section titled "Transactions with Related Persons" in Part III, Item 13 "Certain Relationships and Related Transactions, and Director Independence" in our most recent Annual Report on Form 10-Kfor the fiscal year ended December 31, 2024, filed with the SEC on March 5, 2025, is incorporated herein by reference.

CONTROL PERSONS AND PRINCIPAL SHAREHOLDERS

The information in the sections titled "Proposal 1: Election of Director" and "Security Ownership of Certain Beneficial Owners and Management" in our most recent Annual Proxy Statement, filed with the SEC on July 8, 2025, and the information in the section titled "Director and Executive Officer Information" in Part III, Item 10 "Directors, Executive Officers and Corporate Governance" and the information in Part III, Item 12 "Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters" in our most recent Annual Report on Form 10-Kfor the fiscal year ended December 31, 2024, filed with the SEC on March 5, 2025, is incorporated herein by reference.

DETERMINATION OF NET ASSET VALUE

We determine the net asset value per share of our common stock quarterly, or more frequently if required under the 1940 Act, by dividing the value of total assets minus liabilities by the total number of shares outstanding. The information in the section titled "Critical Accounting Estimates - Investment Valuation" in Part I, Item 2 "Management's Discussion and Analysis of Financial Condition and Results of Operations" and in "Note 3 - Summary of Significant Accounting Policies - Investment Valuation" in our financial statements, each in our most recent Quarterly Report on Form 10-Qfor the quarter ended June 30, 2025, filed with the SEC on August 12, 2025, is incorporated herein by reference.

DISTRIBUTION REINVESTMENT PLAN

We have adopted a distribution reinvestment plan, through which all distributions (net of applicable withholding tax) are paid to stockholders in the form of additional shares of our common stock, unless a stockholder elects to receive cash as provided below. In this way, a stockholder can maintain an undiluted investment in us and still allow us to pay out the required distributable income.

No action is required on the part of a registered stockholder to receive a distribution in shares of our common stock. A registered stockholder may elect to receive an entire distribution in cash by notifying Computershare Trust Company, N.A., the plan administrator and our transfer agent and registrar, in writing so that such notice is received by the plan administrator no later than 10 days prior to the record date for distributions to stockholders. The plan administrator will set up an account for shares acquired through the plan for each stockholder who has not elected to receive distributions in cash and hold such shares in non-certificatedform. Upon request by a participant, received in writing not less than 10 days prior to the record date, the plan administrator will, instead of crediting shares to the participant's account, issue a certificate registered in the participant's name for the number of whole shares of our common stock and a check for any fractional share.

Those stockholders whose shares are held by a broker or other financial intermediary may receive distributions in cash by notifying their broker or other financial intermediary of their election.

We expect to use primarily newly issued shares to implement the plan, whether our shares are trading at a premium or at a discount to net asset value. Under such circumstances, the number of shares to be issued to a stockholder is determined by dividing the total dollar amount of the distribution payable to such stockholder by an amount equal to ninety-five(95%) percent of the market price per share of our common stock at the close of regular trading on the Nasdaq Global Select Market on the valuation date for such distribution. Market price per share on that date will be the closing price for such shares on the Nasdaq Global Select Market or, if no sale is reported for such day, at the average of their electronically reported bid and asked prices. We reserve the right to purchase shares in the open market in connection with our implementation of the plan. Shares purchased in open market transactions by the plan administrator will be allocated to a stockholder based on the average purchase price, excluding any brokerage charges or other charges, of all shares of common stock purchased in the open market. The number of shares of our common stock to be outstanding after giving effect to payment of the distribution cannot be established until the value per share at which additional shares will be issued has been determined and elections of our stockholders have been tabulated.

There is no charge to stockholders for receiving their distributions in the form of additional shares of our common stock. The plan administrator's fees for handling distributions in stock are paid by us. There are no brokerage charges with respect to shares we have issued directly as a result of distributions payable in stock. If a participant elects by written or telephonic notice to the plan administrator to have the plan administrator sell part or all of the shares held by the plan administrator in the participant's account and remit the proceeds to the participant, the plan administrator is authorized to deduct a $2.50 transaction fee plus brokerage commissions from the proceeds.

Stockholders who receive distributions in the form of stock are subject to the same federal, state and local tax consequences as are stockholders who elect to receive their distributions in cash. The amount of the distribution for U.S. federal income tax purposes will be equal to the fair market value of the stock received. A stockholder's basis for determining gain or loss upon the sale of stock received in a distribution from us will be equal to the amount treated as a distribution for U.S. federal income tax purposes.

The plan may be terminated by us upon notice in writing mailed to each participant at least 30 days prior to any record date for the payment of any distribution by us. All correspondence concerning the plan should be directed to the plan administrator by mail at 250 Royall Street, Canton, MA 02021 or by phone at 1-800-426-5523.

CERTAIN U.S. FEDERAL INCOME TAX CONSIDERATIONS

The following discussion is a general summary of certain U.S. federal income tax considerations applicable to us and to an investment in shares of our common stock. This summary does not purport to be a complete description of the income tax considerations applicable to such an investment. For example, we have not described tax consequences that may be relevant to certain types of holders subject to special treatment under U.S. federal income tax laws, including stockholders subject to the alternative minimum tax, tax-exemptorganizations, insurance companies, dealers in securities, a trader in securities that elects to use a market-to-marketmethod of accounting for its securities holdings, pension plans and trusts, and financial institutions. This summary assumes that investors hold our shares of common stock as capital assets (within the meaning of the Code). The discussion is based upon the Code, Treasury regulations, and administrative and judicial interpretations, each as of the date of this prospectus and all of which are subject to change, possibly retroactively, which could affect the continuing validity of this discussion. We have not sought and will not seek any ruling from the Internal Revenue Service (the "IRS") regarding this offering. This summary does not discuss any aspects of U.S. estate or gift tax or foreign, state or local tax. It does not discuss the special treatment under U.S. federal income tax laws that could result if we invested in tax-exemptsecurities or certain other investment assets.

A "U.S. stockholder" generally is a beneficial owner of shares of our common stock who is for U.S. federal income tax purposes:

• A citizen or individual resident of the U.S.;

• A corporation or other entity treated as a corporation, for U.S. federal income tax purposes, created or organized in or under the laws of the U.S., any state thereof or the District of Columbia;

• A trust if a court within the U.S. is able to exercise primary supervision over the administration of the trust and one or more U.S. persons have the authority to control all substantive decisions of the trust; or

• An estate, the income of which is subject to U.S. federal income taxation regardless of its source.

A "Non-U.S. stockholder" generally is a beneficial owner of shares of our common stock who is for U.S. federal income tax purposes:

• A nonresident alien individual;

• A foreign corporation; or

• An estate or trust that in either case is not subject to U.S. federal income tax on a net income basis on income or gain from a note.

If a partnership (including an entity or arrangement treated as a partnership for U.S. federal income tax purposes) holds shares of our common stock, the tax treatment of a partner in the partnership will generally depend upon the status of the partner and the activities of the partnership. A prospective stockholder that is a partner of a partnership holding shares of our common stock should consult his, her or its tax advisers with respect to the purchase, ownership and disposition of shares of our common stock.

Tax matters are very complicated and the tax consequences to an investor of an investment in our shares will depend on the facts of his, her or its particular situation. We encourage investors to consult their own tax advisers regarding the specific consequences of such an investment, including tax reporting requirements, the applicability of federal, state, local and foreign tax laws, eligibility for the benefits of any applicable tax treaty and the effect of any possible changes in the tax laws.

Election to be Taxed as a RIC

As a BDC, we have elected to be treated, and intend to qualify annually, as a RIC under Subchapter M of the Code, beginning with our 2003 taxable year. As a RIC, we generally will not be subject to U.S. federal income tax on any ordinary income or capital gains that we timely distribute to our stockholders as dividends. To continue to qualify as a RIC, we must, among other things, meet certain source-of-incomeand asset diversification requirements (as described below). In addition, to qualify for RIC tax treatment we must distribute to our stockholders, for each

taxable year, at least 90% of our "investment company taxable income," which is generally our ordinary income plus the excess of our realized net short-termcapital gains over our realized net long-termcapital losses (the "Annual Distribution Requirement").

Taxation as a RIC

If we qualify as a RIC, and satisfy the Annual Distribution Requirement, then we will not be subject to U.S. federal income tax on the portion of our investment company taxable income and net capital gain (i.e., realized net long-termcapital gains in excess of realized net short-termcapital losses) we timely distribute to stockholders. We will be subject to U.S. federal income tax at the regular corporate rates on any income or capital gains not distributed (or deemed distributed) to our stockholders.

We will be subject to a 4% nondeductible U.S. federal excise tax on certain undistributed income unless we distribute in a timely manner an amount at least equal to the sum of (1) 98% of our net ordinary income for each calendar year, (2) 98.2% of our capital gain net income for the one-yearperiod ending October 31 in that calendar year and (3) any income and net capital gain that we recognized in preceding years but were not distributed in such years, and on which we paid no U.S. federal income tax (the "Excise Tax Avoidance Requirement"). We generally will endeavor in each taxable year to make sufficient distributions to our stockholders to satisfy the Excise Tax Avoidance Requirement.

In order to qualify as a RIC for U.S. federal income tax purposes, we must, among other things:

• at all times during each taxable year, be registered under the 1940 Act as a management company or unit investment trust, or have in effect an election under the 1940 Act to be treated as a BDC;

• derive in each taxable year at least 90% of our gross income from dividends, interest, payments with respect to loans of certain securities, gains from the sale of stock or other securities, net income from certain "qualified publicly traded partnerships," or other income derived with respect to our business of investing in such stock or securities (the "90% Income Test"); and

• diversify our holdings so that at the end of each quarter of the taxable year:

• at least 50% of the value of our assets consists of cash, cash equivalents, U.S. government securities, securities of other RICs, and other securities if such other securities of any one issuer do not represent more than 5% of the value of our assets or more than 10% of the outstanding voting securities of the issuer; and

• no more than 25% of the value of our assets is invested in (i) the securities, other than U.S. government securities or securities of other RICs, of any one issuer; (ii) the securities, other than securities of other RICs, of two or more issuers that are controlled, as determined under applicable Code rules, by us and that are engaged in the same or similar or related trades or businesses; or (iii) the securities of certain "qualified publicly traded partnerships" (the "Diversification Tests").

We may be required to recognize taxable income in circumstances in which we do not receive cash. For example, if we hold debt obligations that are treated under applicable tax rules as having original issue discount (such as debt instruments with payment-in-kind("PIK") interest or, in certain cases, increasing interest rates or issued with warrants), we must include in income each year a portion of the original issue discount that accrues over the life of the obligation, regardless of whether cash representing such income is received by us in the same taxable year. We may also have to include in income other amounts that we have not yet received in cash, such as PIK interest and deferred loan origination fees that are paid after origination of the loan or are paid in non-cashcompensation such as warrants or stock. Because any original issue discount or other amounts accrued will be included in our investment company taxable income for the year of accrual, we may be required to make a distribution to our stockholders in order to satisfy the Annual Distribution Requirement or the Excise Tax Avoidance Requirement, even though we will not have received any corresponding cash amount. In addition, we may be required to accrue for U.S. federal income tax purposes amounts attributable to our investment in CLOs that may differ from the distributions received in respect of such investments. Although we do not presently expect to do so, we are authorized to borrow funds, to sell assets and to make taxable distributions of our stock and debt securities in order to satisfy distribution requirements. Our ability to dispose of assets to meet our distribution requirements may be limited by (1) the illiquid nature of our portfolio and/or (2) other requirements relating to our status as a RIC, including the Diversification Tests. If we dispose of assets

in order to meet the Annual Distribution Requirement or the Excise Tax Avoidance Requirement, we may make such dispositions at times that, from an investment standpoint, are not advantageous. If we are unable to obtain cash from other sources to satisfy the Annual Distribution Requirement, we may fail to qualify for tax treatment as a RIC and become subject to tax as a corporation.

Under the 1940 Act, we are not permitted to make distributions to our stockholders while our debt obligations and other senior securities are outstanding unless certain "asset coverage" tests are met. If we are prohibited from making distributions, we may fail to qualify for tax treatment as a RIC and become subject to tax as an ordinary corporation.

We have purchased and may in the future purchase residual or subordinated interests in CLOs that are treated for U.S. federal income tax purposes as shares in a "passive foreign investment company" or a PFIC. We may be subject to U.S. federal income tax on our allocable share of a portion of any "excess distribution" received on, or any gain from the disposition of, such shares. Additional charges, in the nature of interest, generally will be imposed on us in respect of deferred taxes arising from any such excess distribution or gain. This additional tax and interest may apply even if we make a distribution in an amount equal to any "excess distribution" or gain from the disposition of such shares as a taxable dividend by us to our stockholders. If we elect to treat a PFIC as a "qualified electing fund" under the Code (a "QEF"), in lieu of the foregoing requirements, we will be required to include in income each year our proportionate share of the ordinary earnings and net capital gain of the QEF, even if such income is not distributed by the QEF. Alternatively, we may be able to elect to mark-to-marketat the end of each taxable year our shares in a PFIC; in this case, we will recognize as ordinary income our allocable share of any increase in the value of such shares, and as ordinary loss our allocable share of any decrease in such value to the extent that any such decrease does not exceed prior increases included in our income. Under either election, we may be required to recognize in a year income in excess of distributions from PFICs and proceeds from dispositions of PFIC shares during that year, and such income will nevertheless be subject to the Annual Distribution Requirement and will be taken into account for purposes of the Excise Tax Avoidance Requirement.

If we hold 10% or more of the shares in a foreign corporation that is treated as a controlled foreign corporation or a CFC (including equity tranche investments in a CLO treated as a CFC), we may be treated as receiving a deemed distribution (taxable as ordinary income) each year from such foreign corporation in an amount equal to our pro rata share of the corporation's income for the tax year (including both ordinary earnings and capital gains), whether or not the corporation makes an actual distribution during such year. This deemed distribution is required to be included in the income of a U.S. Stockholder (as defined below) of a CFC regardless of whether the stockholder has made a QEF election with respect to such CFC. In general, a foreign corporation will be classified as a CFC if more than 50% of the shares of the corporation, measured by reference to combined voting power or value, is owned (directly, indirectly or by attribution) by U.S. Stockholders. A "U.S. Stockholder," for this purpose, is any U.S. person that possesses (actually or constructively) 10% or more of the combined voting power or value of all classes of shares of a foreign corporation. If we are treated as receiving a deemed distribution from a CFC, we will be required to include such distribution in our investment company taxable income regardless of whether we receive any actual distributions from such CFC, and we must distribute such income to satisfy the Annual Distribution Requirement and the Excise Tax Avoidance Requirement.

Income inclusions from a QEF or a CFC will be "good income" for purposes of the 90% Income Test provided that they are derived in connection with our business of investing in stocks and securities or the QEF or the CFC distributes such income to us out of its earnings and profits attributable to such income inclusion in the same taxable year to which the income is included in our income.

The remainder of this discussion assumes that we qualify as a RIC and have satisfied the Annual Distribution Requirement.

Taxation of U.S. Stockholders

Distributions by us generally are taxable to U.S. stockholders as ordinary income or capital gains. Distributions of our "investment company taxable income" (which is, generally, our net ordinary income plus realized net short-termcapital gains in excess of realized net long-termcapital losses) will be taxable as ordinary income to U.S. stockholders to the extent of our current or accumulated earnings and profits, whether paid in cash or reinvested in additional common stock. To the extent such distributions paid by us to stockholders taxed at individual rates are attributable to dividends from U.S. corporations and certain qualified foreign corporations, such distributions ("Qualifying

Dividends") may be eligible for a current maximum tax rate of 20%. In this regard, it is anticipated that distributions paid by us will generally not be attributable to dividends and, therefore, generally will not qualify for the current 20% maximum rate applicable to Qualifying Dividends. Distributions of our net capital gains (which are generally our realized net long-termcapital gains in excess of realized net short-termcapital losses) and properly reported by us as "capital gain dividends" will be taxable to a U.S. stockholder as long-termcapital gains that are currently taxable at a maximum rate of 20% in the case of stockholders taxed at individual rates, regardless of the U.S. stockholder's holding period for his, her or its common stock and regardless of whether paid in cash or reinvested in additional common stock. Distributions in excess of our earnings and profits first will reduce a U.S. stockholder's adjusted tax basis in such stockholder's common stock and, after the adjusted basis is reduced to zero, will constitute capital gains to such U.S. stockholder.

Certain distributions reported by us as Section 163(j) interest dividends may be treated as interest income by U.S. stockholders for purposes of the tax rules applicable to interest expense limitations under Section 163(j) of the Code. Such treatment by the U.S. stockholder is generally subject to holding period requirements and other potential limitations, although the holding period requirements are generally not applicable to dividends declared by money market funds and certain other funds that declare dividends daily and pay such dividends on a monthly or more frequent basis. The amount that we are eligible to report as a Section 163(j) dividend for a tax year is generally limited to the excess of our business interest income over the sum of our (i) business interest expense and (ii) other deductions properly allocable to our business interest income.

We may retain some or all of our realized net long-termcapital gains in excess of realized net short-termcapital losses, but designate the retained net capital gain as a "deemed distribution." In that case, among other consequences, we will pay tax on the retained amount, each U.S. stockholder will be required to include his, her or its share of the deemed distribution in income as if it had been actually distributed to the U.S. stockholder, and the U.S. stockholder will be entitled to claim a credit equal to his, her or its allocable share of the tax paid thereon by us. If the amount of tax that a U.S. stockholder is treated as having paid exceeds the amount of tax owed on the capital gain distribution, such excess generally may be refunded or claimed as a credit against the U.S. stockholder's other U.S. federal income tax obligations. The amount of the deemed distribution net of such tax will be added to the U.S. stockholder's cost basis for his, her or its common stock. In order to utilize the deemed distribution approach, we must provide written notice to our stockholders prior to the expiration of 60 days after the close of the relevant taxable year. We cannot treat any of our investment company taxable income as a "deemed distribution."

For purposes of determining (1) whether the Annual Distribution Requirement is satisfied for any year and (2) the amount of capital gain dividends paid for that year, we may, under certain circumstances, elect to treat a dividend that is paid during the following taxable year as if it had been paid during the taxable year in question. If we make such an election, the U.S. stockholder will still be treated as receiving the dividend in the taxable year in which the distribution is made. However, any dividend declared by us in October, November or December of any calendar year, payable to stockholders of record on a specified date in such a month and actually paid during January of the following year, will be treated as if it had been received by our U.S. stockholders on December 31 of the year in which the dividend was declared.

If an investor purchases shares of our common stock shortly before the record date of a distribution, the price of the shares will include the value of the distribution and the investor will be subject to tax on the distribution even though economically it may represent a return of his, her or its investment.

A U.S. stockholder generally will recognize taxable gain or loss if the U.S. stockholder sells or otherwise disposes of his, her or its shares of our common stock. The amount of gain or loss will be measured by the difference between such U.S. stockholder's adjusted tax basis in the common stock sold and the amount of the proceeds received in exchange. Any gain or loss arising from such sale or disposition generally will be treated as long-termcapital gain or loss if the U.S. stockholder has held his, her or its shares for more than one year. Otherwise, it will be classified as short-termcapital gain or loss. However, any capital loss arising from the sale or disposition of shares of our common stock held for six months or less will be treated as long-termcapital loss to the extent of the amount of capital gain dividends received, or undistributed capital gain deemed received, with respect to such shares. In addition, all or a portion of any loss recognized upon a disposition of shares of our common stock may be disallowed if other shares of our common stock are purchased (whether through reinvestment of distributions or otherwise) within 30 days before or after the disposition.

In general, U.S. stockholders taxed at individual rates currently are subject to a maximum U.S. federal income tax rate of 20% on their net capital gain (i.e., the excess of realized net long-termcapital gains over realized net short-termcapital losses), including any long-termcapital gain derived from an investment in our shares. Such rate is lower than the maximum rate on ordinary income currently payable by such U.S. stockholders. In addition, individuals with modified adjusted gross incomes in excess of $200,000 ($250,000 in the case of married individuals filing jointly) and certain estates and trusts are subject to an additional 3.8% tax on their "net investment income," which generally includes net income from interest, dividends, annuities, royalties, and rents, and net capital gains (other than certain amounts earned from trades or businesses). Corporate U.S. stockholders currently are subject to U.S. federal income tax on net capital gain at the maximum 21% rate also applied to ordinary income. Non-corporateU.S. stockholders with net capital losses for a year (i.e., capital losses in excess of capital gains) generally may deduct up to $3,000 of such losses against their ordinary income each year. Any net capital losses of a non-corporateU.S. stockholder in excess of $3,000 generally may be carried forward and used in subsequent years as provided in the Code. Corporate U.S. stockholders generally may not deduct any net capital losses for a year, but may carry back such losses for three years or carry forward such losses for five years.

The Code requires reporting of adjusted cost basis information for covered securities, which generally include shares of a RIC, to the IRS and to taxpayers. U.S. stockholders should contact their financial intermediaries with respect to reporting of cost basis and available elections for their accounts.

We or the applicable withholding agent will send to each of our U.S. stockholders, as promptly as possible after the end of each calendar year, a notice reporting the amounts includible in such U.S. stockholder's taxable income for such year as ordinary income and as long-termcapital gain. In addition, the U.S. federal tax status of each year's distributions generally will be reported to the IRS (including the amount of dividends, if any, eligible for the current 20% maximum rate). Dividends paid by us generally will not be eligible for the dividends-receiveddeduction or the preferential tax rate applicable to Qualifying Dividends because our income generally will not consist of dividends. Distributions may also be subject to additional state, local and foreign taxes depending on a U.S. stockholder's particular situation.

We or the applicable withholding agent may be required to withhold U.S. federal income tax ("backup withholding") from all distributions to any U.S. stockholder (other than a corporation, a financial institution, or a stockholder that otherwise qualifies for an exemption) (1) who fails to furnish us, or the applicable withholding agent, with a correct taxpayer identification number or a certificate that such stockholder is exempt from backup withholding or (2) with respect to whom the IRS notifies us, or the applicable withholding agent, that such stockholder has failed to properly report certain interest and dividend income to the IRS and to respond to notices to that effect. An individual's taxpayer identification number is his or her social security number. Any amount withheld under backup withholding is generally allowed as a credit against the U.S. stockholder's U.S. federal income tax liability, provided that proper information is provided to the IRS.

U.S. stockholders that hold their common stock through foreign accounts or intermediaries will be subject to U.S. withholding tax at a rate of 30% on dividends if certain disclosure requirements related to U.S. accounts are not satisfied.

Under Treasury regulations, if a U.S. stockholder recognizes a loss with respect to shares of $2 million or more for an individual U.S. stockholder or $10 million or more for a corporate U.S. stockholder, the U.S. stockholder must file with the IRS a disclosure statement on IRS Form 8886. Direct owners of portfolio securities are in many cases excepted from this reporting requirement, but under current guidance, shareholders of a RIC are not excepted. Future guidance may extend the current exception from this reporting requirement to shareholders of most or all RICs. The fact that a loss is reportable under these regulations does not affect the legal determination of whether the taxpayer's treatment of the loss is proper. U.S. stockholders should consult their tax advisors to determine the applicability of these regulations in light of their individual circumstances.

Taxation of Non-U.S. Stockholders

Whether an investment in the shares is appropriate for a Non-U.S. stockholder will depend upon that person's particular circumstances. An investment in the shares by a Non-U.S. stockholder may have adverse tax consequences. Non-U.S. stockholders should consult their tax advisers before investing in our common stock.

Distributions of our "investment company taxable income" to Non-U.S. stockholders (including interest income and realized net short-termcapital gains in excess of realized long-termcapital losses, which generally would be free of withholding if paid to Non-U.S. stockholders directly) will be subject to withholding of federal tax at a 30% rate (or lower rate provided by an applicable treaty) to the extent of our current and accumulated earnings and profits unless an applicable exception applies. If the distributions are effectively connected with a U.S. trade or business of the Non-U.S. stockholder, we will not be required to withhold federal tax if the Non-U.S. stockholder complies with applicable certification and disclosure requirements, although the distributions will be subject to U.S. federal income tax at the rates applicable to U.S. persons. (Special certification requirements apply to a Non-U.S. stockholder that is a foreign partnership or a foreign trust, and such entities are urged to consult their own tax advisers.)

We or the applicable withholding agent generally are not required to withhold any amounts with respect to certain distributions of (i) U.S. source interest income, and (ii) net short term capital gains in excess of net long term capital losses, in each case to the extent we properly report such distributions as "interest-relateddividends" or "short-termcapital gain dividends" and certain other requirements are satisfied. We anticipate that a portion of our distributions will be eligible for this exemption from withholding; however, we cannot determine what portion of our distributions (if any) will be eligible for this exception until after the end of our taxable year. No certainty can be provided that any of our distributions will be reported as eligible for this exception.

Actual or deemed distributions of our net capital gains to a Non-U.S. stockholder, and gains realized by a Non-U.S. stockholder upon the sale of our common stock, will not be subject to federal withholding tax and generally will not be subject to U.S. federal income tax unless the distributions or gains, as the case may be, are effectively connected with a U.S. trade or business of the Non-U.S. stockholder.

The tax consequences to Non-U.S. stockholders entitled to claim the benefits of an applicable tax treaty or that are individuals that are present in the U.S. for 183 days or more during a taxable year may be different from those described herein. Non-U.S. stockholders are urged to consult their tax advisers with respect to the procedure for claiming the benefit of a lower treaty rate and the applicability of foreign taxes.

If we distribute our net capital gains in the form of deemed rather than actual distributions, a Non-U.S. stockholder will be entitled to a U.S. federal income tax credit or tax refund equal to the stockholder's allocable share of the tax we pay on the capital gains deemed to have been distributed. In order to obtain the refund, the Non-U.S. stockholder must obtain a U.S. taxpayer identification number and file a U.S. federal income tax return even if the Non-U.S. stockholder would not otherwise be required to obtain a U.S. taxpayer identification number or file a U.S. federal income tax return. For a corporate Non-U.S. stockholder, distributions (both actual and deemed), and gains realized upon the sale of our common stock that are effectively connected to a U.S. trade or business may, under certain circumstances, be subject to an additional "branch profits tax" at a 30% rate (or at a lower rate if provided for by an applicable treaty). Accordingly, investment in the shares may not be appropriate for a Non-U.S. stockholder.

A Non-U.S. stockholder who is a non-residentalien individual, and who is otherwise subject to withholding of federal tax, may be subject to information reporting and backup withholding of U.S. federal income tax on dividends unless the Non-U.S. stockholder provides us or the applicable withholding agent with an IRS Form W-8BENor W-8BEN-E(or an acceptable substitute form) or otherwise meets documentary evidence requirements for establishing that it is a Non-U.S. stockholder or otherwise establishes an exemption from backup withholding. In addition, dividend reinvestments will be made net of any applicable U.S. withholding taxes.

Legislation commonly referred to as the "Foreign Account Tax Compliance Act," or "FATCA," generally imposes a 30% withholding tax on payments of certain types of income to foreign financial institutions ("FFIs") unless such FFIs either (i) enter into an agreement with the U.S. Treasury to report certain required information with respect to accounts held by U.S. persons (or held by foreign entities that have U.S. persons as substantial owners) or (ii) reside in a jurisdiction that has entered into an intergovernmental agreement ("IGA") with the United States to collect and share such information and are in compliance with the terms of such IGA and any enabling legislation or regulations. The types of income subject to the tax include U.S. source interest and dividends. The information required to be reported includes the identity and taxpayer identification number of each account holder that is a U.S. person and transaction activity within the holder's account. In addition, subject to certain exceptions, this legislation also imposes a 30% withholding on payments to foreign entities that are not FFIs unless the foreign entity certifies that it does not have a greater than 10% U.S. owner or provides the withholding agent with identifying information on each greater than 10% U.S. owner. Depending on the status of a Non-U.S. stockholder and the status of the intermediaries through which they

hold their shares, Non-U.S. stockholders could be subject to this 30% withholding tax with respect to distributions on their shares and proceeds from the sale of their shares. Under certain circumstances, a Non-U.S. stockholder might be eligible for refunds or credits of such taxes.

Non-U.S. persons should consult their own tax advisers with respect to the U.S. federal income tax and withholding tax, and state, local and foreign tax consequences of an investment in the shares.

Failure to Qualify as a RIC

If we were unable to qualify for treatment as a RIC, and certain cure provisions are not met, we would be subject to tax on all of our taxable income at regular corporate rates, regardless of whether we make any distributions to our stockholders. Distributions would not be required, and any distributions made would be taxable to our stockholders as ordinary dividend income that, subject to certain limitations, may be eligible for the 20% maximum rate to the extent of our current and accumulated earnings and profits provided certain holding period and other requirements were met. Subject to certain limitations under the Code, corporate distributees would be eligible for the dividends-receiveddeduction. Distributions in excess of our current and accumulated earnings and profits would be treated first as a return of capital to the extent of the stockholder's adjusted tax basis, and any remaining distributions would be treated as a capital gain. To requalify as a RIC in a subsequent taxable year, we would be required to satisfy the RIC qualification requirements for that year and dispose of any earnings and profits from any year in which we failed to qualify as a RIC. Subject to a limited exception applicable to RICs that qualified as such under the Code for at least one year prior to disqualification and that requalify as a RIC no later than the second year following the nonqualifying year, we would be subject to tax on any unrealized net built-ingains in the assets held by us during the period in which we failed to qualify as a RIC that are recognized within the subsequent 5 years, unless we made a special election to pay U.S. federal income tax at corporate rates on such built-ingains at the time of our requalification as a RIC.

DESCRIPTION OF SECURITIES

This prospectus contains a summary of the common stock, preferred stock, subscription rights, warrants and debt securities. These summaries are not meant to be a complete description of each security. However, this prospectus and any accompanying prospectus supplement will contain the material terms and conditions for each security.

DESCRIPTION OF OUR CAPITAL STOCK

The following description is based in part on relevant portions of the Maryland General Corporation Law and on our charter and bylaws. While this summary describes the material provisions of the Maryland General Corporation Law applicable to holders of our capital stock, as well as the material provisions of our charter and bylaws, it is not necessarily complete, and we refer you to the Maryland General Corporation Law and our charter and bylaws for a more detailed description of the provisions summarized below.

Our authorized capital stock consists of 100,000,000 shares of stock, par value $0.01 per share, all of which is initially designated as common stock. We have listed our common stock on the NASDAQ Global Select Market under the ticker symbol "OXSQ." There are no outstanding options or warrants to purchase our stock. No stock has been authorized for issuance under any equity compensation plans. Under Maryland law, our stockholders generally are not personally liable for our debts or obligations.

The following are our outstanding classes of our capital stock as of June 30, 2025:

Under our charter, our Board of Directors is authorized to classify and reclassify any unissued shares of stock into other classes or series of stock without obtaining stockholder approval. As permitted by the Maryland General Corporation Law, our charter provides that the Board of Directors, without any action by our stockholders, may amend the charter from time to time to increase or decrease the aggregate number of shares of stock or the number of shares of stock of any class or series that we have authority to issue.

Common Stock

All shares of our common stock have equal rights as to earnings, assets, distributions and voting privileges and, when they are issued, will be duly authorized, validly issued, fully paid and nonassessable. Distributions may be paid to the holders of our common stock if, as and when authorized by our Board of Directors and declared by us out of assets legally available therefor. Shares of our common stock have no preemptive, conversion or redemption rights and are freely transferable, except where their transfer is restricted by federal and state securities laws or by contract. In the event of our liquidation, dissolution or winding up, each share of our common stock would be entitled to share ratably in all of our assets that are legally available for distribution after we pay all debts and other liabilities and subject to any preferential rights of holders of our preferred stock, if any preferred stock is outstanding at such time. Each share of our common stock is entitled to one vote on all matters submitted to a vote of stockholders, including the election of directors. Except as provided with respect to any other class or series of stock, the holders of our common stock will possess exclusive voting power. There is no cumulative voting in the election of directors. A plurality of all votes cast at a meeting of stockholders duly called and at which a quorum is present shall be sufficient to elect a director.

Preferred Stock

Our charter authorizes our Board of Directors to classify and reclassify any unissued shares of stock into other classes or series of stock, including preferred stock. Prior to issuance of shares of each class or series, our Board of Directors is required by Maryland law and by our charter to set the terms, preferences, conversion or other rights, voting powers, restrictions, limitations as to dividends or other distributions, qualifications and terms or conditions of redemption for each class or series.

Thus, our Board of Directors could authorize the issuance of shares of preferred stock with terms and conditions which could have the effect of delaying, deferring or preventing a transaction or a change in control that might involve a premium price for holders of our common stock or otherwise be in their best interest. You should note, however, that any issuance of preferred stock must comply with the requirements of the 1940 Act. The 1940 Act requires, among other things, that (1) immediately after issuance and before any dividend or other distribution is made with respect to our common stock and before any purchase of common stock is made, such preferred stock together with all other

senior securities must not exceed an amount equal to 50% of our gross assets after deducting the amount of such dividend, distribution or purchase price, as the case may be, and (2) the holders of shares of preferred stock, if any are issued, must be entitled as a class to elect two directors at all times and to elect a majority of the directors if dividends on such preferred stock are in arrears by full two years or more. Certain matters under the 1940 Act require the separate vote of the holders of any issued and outstanding preferred stock. We believe that the availability for issuance of preferred stock will provide us with increased flexibility in structuring future financings and acquisitions. However, we do not currently have any plans to issue preferred stock.

Limitation on Liability of Directors and Officers; Indemnification and Advance of Expenses

Maryland law permits a Maryland corporation to include in its charter a provision limiting the liability of its directors and officers to the corporation and its stockholders for money damages except for liability resulting from (a) actual receipt of an improper benefit or profit in money, property or services or (b) active and deliberate dishonesty established by a final judgment as being material to the cause of action. Our charter contains such a provision which eliminates directors' and officers' liability to the maximum extent permitted by Maryland law, subject to the requirements of the 1940 Act.

Our charter authorizes us, to the maximum extent permitted by Maryland law and subject to the requirements of the 1940 Act, to indemnify any present or former director or officer or any individual who, while serving as our director or officer and at our request, serves or has served another corporation, real estate investment trust, partnership, joint venture, trust, employee benefit plan or other enterprise as a director, officer, partner or trustee, from and against any claim or liability to which that person may become subject or which that person may incur by reason of his or her service in such capacity and to pay or reimburse their reasonable expenses in advance of final disposition of a proceeding. Our bylaws obligate us, to the maximum extent permitted by Maryland law and subject to the requirements of the 1940 Act, to indemnify any present or former director or officer or any individual who, while serving as our director or officer and at our request, serves or has served another corporation, real estate investment trust, partnership, joint venture, trust, employee benefit plan or other enterprise as a director, officer, partner or trustee and who is made, or threatened to be made, a party to the proceeding by reason of his or her service in that capacity from and against any claim or liability to which that person may become subject or which that person may incur by reason of his or her service in any such capacity and to pay or reimburse his or her reasonable expenses in advance of final disposition of a proceeding. The charter and bylaws also permit us to indemnify and advance expenses to any person who served a predecessor of us in any of the capacities described above and any of our employees or agents or any employees or agents of our predecessor. In accordance with the 1940 Act, we will not indemnify any person for any liability to which such person would be subject by reason of such person's willful misfeasance, bad faith, gross negligence or reckless disregard of the duties involved in the conduct of his or her office.

Maryland law requires a corporation (unless its charter provides otherwise, which our charter does not) to indemnify a director or officer who has been successful in the defense of any proceeding to which he or she is made, or threatened to be made, a party by reason of his or her service in that capacity. Maryland law permits a corporation to indemnify its present and former directors and officers, among others, against judgments, penalties, fines, settlements and reasonable expenses actually incurred by them in connection with any proceeding to which they may be made a party by reason of their service in those or other capacities unless it is established that (a) the act or omission of the director or officer was material to the matter giving rise to the proceeding and (1) was committed in bad faith or (2) was the result of active and deliberate dishonesty, (b) the director or officer actually received an improper personal benefit in money, property or services or (c) in the case of any criminal proceeding, the director or officer had reasonable cause to believe that the act or omission was unlawful. However, under Maryland law, a Maryland corporation may not indemnify for an adverse judgment in a suit by or in the right of the corporation or for a judgment of liability on the basis that a personal benefit was improperly received, unless in either case a court orders indemnification, and then only for expenses. In addition, Maryland law permits a corporation to advance reasonable expenses to a director or officer upon the corporation's receipt of (a) a written affirmation by the director or officer of his or her good faith belief that he or she has met the standard of conduct necessary for indemnification by the corporation and (b) a written undertaking by him or her or on his or her behalf to repay the amount paid or reimbursed by the corporation if it is ultimately determined that the standard of conduct was not met.

Our insurance policy does not currently provide coverage for claims, liabilities and expenses that may arise out of activities that our present or former directors or officers have performed for another entity at our request. There is no assurance that such entities will in fact carry such insurance. However, we note that we do not expect to request

our present or former directors or officers to serve another entity as a director, officer, partner or trustee unless we can obtain insurance providing coverage for such persons for any claims, liabilities or expenses that may arise out of their activities while serving in such capacities.

Certain Provisions of the Maryland General Corporation Law and Our Charter and Bylaws

The Maryland General Corporation Law and our charter and bylaws contain provisions that could make it more difficult for a potential acquiror to acquire us by means of a tender offer, proxy contest or otherwise. These provisions are expected to discourage certain coercive takeover practices and inadequate takeover bids and to encourage persons seeking to acquire control of us to negotiate first with our Board of Directors. We believe that the benefits of these provisions outweigh the potential disadvantages of discouraging any such acquisition proposals because, among other things, the negotiation of such proposals may improve their terms.

Classified Board of Directors

Our Board of Directors is divided into three classes of directors serving staggered three-yearterms. Upon expiration of their current terms, directors of each class will be elected to serve for three-yearterms and until their successors are duly elected and qualify and each year one class of directors will be elected by the stockholders. A classified board may render a change in control of us or removal of our incumbent management more difficult. We believe, however, that the longer time required to elect a majority of a classified Board of Directors will help to ensure the continuity and stability of our management and policies.

Election of Directors

Our bylaws currently provide that a plurality of all votes cast at a meeting of stockholders duly called and at which a quorum is present shall be sufficient to elect a director. Pursuant to our charter, our Board of Directors may amend our bylaws to alter the vote required to elect directors.

Number of Directors; Vacancies; Removal

Our charter provides that the number of directors is set only by our Board of Directors in accordance with our bylaws. Our bylaws provide that a majority of our entire Board of Directors may at any time increase or decrease the number of directors. However, the number of directors may never be less than one nor more than twelve. Except as may be provided by our Board of Directors in setting the terms of any class or series of preferred stock, any and all vacancies on our Board of Directors may be filled only by the affirmative vote of a majority of the remaining directors in office, even if the remaining directors do not constitute a quorum, and any director elected to fill a vacancy will serve for the remainder of the full term of the directorship in which the vacancy occurred and until a successor is elected and qualifies, subject to any applicable requirements of the 1940 Act.

Under Maryland law, a director on a classified board may be removed only for cause and then only by the affirmative vote of at least a majority of the votes entitled to be cast in the election of directors.

Action by Stockholders

The Maryland General Corporation Law provides that stockholder action can be taken only at an annual or special meeting of stockholders or by unanimous written consent in lieu of a meeting. These provisions, combined with the requirements of our bylaws regarding the calling of a stockholder-requestedspecial meeting of stockholders discussed below, may have the effect of delaying consideration of a stockholder proposal until the next annual meeting.

Advance Notice Provisions for Stockholder Nominations and Stockholder Proposals

Our bylaws provide that with respect to an annual meeting of stockholders, nominations of persons for election to our Board of Directors and the proposal of business to be considered by stockholders may be made only (1) pursuant to our notice of the meeting, (2) by or at the direction of our Board of Directors or (3) by any stockholder who was a stockholder of record both at the time of giving of notice and at the time of the annual meeting, is entitled to vote at the meeting and who has complied with the advance notice procedures of our bylaws. With respect to special meetings of stockholders, only the business specified in our notice of the meeting may be brought before the meeting. Nominations of persons for election to our Board of Directors at a special meeting may be made only (1) pursuant to our notice

of the meeting, (2) by or at the direction of our Board of Directors or (3) provided that our Board of Directors has determined that directors will be elected at the meeting, by any stockholder who was a stockholder of record both at the time of giving of notice and at the time of the annual meeting, is entitled to vote at the meeting and who has complied with the advance notice provisions of the bylaws.

The purpose of requiring stockholders to give us advance notice of nominations and other business is to afford our Board of Directors a meaningful opportunity to consider the qualifications of the proposed nominees and the advisability of any other proposed business and, to the extent deemed necessary or desirable by our Board of Directors, to inform stockholders and make recommendations about such qualifications or business, as well as to provide a more orderly procedure for conducting meetings of stockholders. Although our bylaws do not give our Board of Directors any power to disapprove stockholder nominations for the election of directors or proposals recommending certain action, certain provisions of our bylaws may have the effect of precluding a contest for the election of directors or the consideration of stockholder proposals if proper procedures are not followed and of discouraging or deterring a third party from conducting a solicitation of proxies to elect its own slate of directors or to approve its own proposal without regard to whether consideration of such nominees or proposals might be harmful or beneficial to us and our stockholders.

Calling of Special Meetings of Stockholders

Our bylaws provide that special meetings of stockholders may be called by or at the request of the Chairman of Board of Directors, the president or by a majority of the directors then in office. Additionally, our bylaws provide that, subject to the satisfaction of certain procedural and informational requirements by the stockholders requesting the meeting, a special meeting of stockholders will be called by the secretary of the corporation upon the written request of stockholders entitled to cast not less than a majority of all the votes entitled to be cast at such meeting.

Approval of Extraordinary Corporate Action; Amendment of Charter and Bylaws

Under Maryland law, a Maryland corporation generally cannot dissolve, amend its charter, merge, sell all or substantially all of its assets, engage in a share exchange or engage in similar transactions outside the ordinary course of business, unless approved by the affirmative vote of stockholders entitled to cast at least two-thirdsof the votes entitled to be cast on the matter. However, a Maryland corporation may provide in its charter for approval of these matters by a lesser percentage, but not less than a majority of all of the votes entitled to be cast on the matter. Under our charter, provided that at least 75% of our directors then in office have approved and declared the action advisable and submitted such action to the stockholders, our dissolution, an amendment to our charter that requires stockholder approval, a merger, or a sale of all or substantially all of our assets or a similar transaction outside the ordinary course of business, must be approved by the affirmative vote of stockholders entitled to cast at least a majority of the votes entitled to be cast on the matter. If an extraordinary matter submitted to stockholders by our Board of Directors is approved and advised by less than 75% of our directors, such matter will require approval by the affirmative vote of stockholders entitled to cast at least two-thirdsof the votes entitled to be cast on the matter.

Our charter and bylaws provide that our Board of Directors will have the exclusive power to make, alter, amend or repeal any provision of our bylaws.

No Appraisal Rights

Except with respect to appraisal rights arising in connection with the Control Share Act discussed below, as permitted by the Maryland General Corporation Law, our charter provides that stockholders will not be entitled to exercise appraisal rights unless a majority of our Board of Directors shall determine such rights apply.

Control Share Acquisitions

The Maryland General Corporation Law provides that control shares of a Maryland corporation acquired in a control share acquisition have no voting rights except to the extent approved by a vote of two-thirdsof the votes entitled to be cast on the matter, or the "Control Share Act." Shares owned by the acquirer, by officers or by directors who are employees of the corporation are excluded from shares entitled to vote on the matter. Control shares are voting

shares of stock which, if aggregated with all other shares of stock owned by the acquirer or in respect of which the acquirer is able to exercise or direct the exercise of voting power (except solely by virtue of a revocable proxy), would entitle the acquirer to exercise voting power in electing directors within one of the following ranges of voting power:

• one-tenthor more but less than one-third;

• one-thirdor more but less than a majority; or

• a majority or more of all voting power.

The requisite stockholder approval must be obtained each time an acquirer crosses one of the thresholds of voting power set forth above. Control shares do not include shares the acquiring person is then entitled to vote as a result of having previously obtained stockholder approval. A control share acquisition means the acquisition of control shares, subject to certain exceptions.

A person who has made or proposes to make a control share acquisition may compel the Board of Directors of the corporation to call a special meeting of stockholders to be held within 50 days of demand to consider the voting rights of the shares. The right to compel the calling of a special meeting is subject to the satisfaction of certain conditions, including an undertaking to pay the expenses of the meeting. If no request for a meeting is made, the corporation may itself present the question at any stockholders meeting.

If voting rights are not approved at the meeting or if the acquiring person does not deliver an acquiring person statement as required by the statute, then the corporation may redeem for fair value any or all of the control shares, except those for which voting rights have previously been approved. The right of the corporation to redeem control shares is subject to certain conditions and limitations, including, compliance with the 1940 Act. Fair value is determined, without regard to the absence of voting rights for the control shares, as of the date of the last control share acquisition by the acquirer or of any meeting of stockholders at which the voting rights of the shares are considered and not approved. If voting rights for control shares are approved at a stockholders meeting and the acquirer becomes entitled to vote a majority of the shares entitled to vote, all other stockholders may exercise appraisal rights. The fair value of the shares as determined for purposes of appraisal rights may not be less than the highest price per share paid by the acquirer in the control share acquisition.

The Control Share Act does not apply (a) to shares acquired in a merger, consolidation or share exchange if the corporation is a party to the transaction or (b) to acquisitions approved or exempted by the charter or bylaws of the corporation. Our bylaws contain a provision exempting from the Control Share Act any and all acquisitions by any person of our shares of stock. There can be no assurance that such provision will not be amended or eliminated at any time in the future. However, we will amend our bylaws to be subject to the Control Share Act only if the Board of Directors determines that it would be in our best interests, the SEC staff does not object to our determination that our being subject to the Control Share Act does not conflict with the 1940 Act and such amendment otherwise complies with applicable law. The SEC had previously issued informal guidance setting forth its position that certain provisions of the Control Share Act would, if implemented, violate Section 18(i) of the 1940 Act. The SEC subsequently withdrew this guidance and indicated that it would not recommend enforcement action against a company that implements a Control Share Act, if the decision by the board of a company to implement the Control Share Act was taken with reasonable care on a basis consistent with other applicable duties and laws and the duty to the fund and its stockholders generally.

Business Combinations

Under Maryland law, "business combinations" between a Maryland corporation and an interested stockholder or an affiliate of an interested stockholder are prohibited for five years after the most recent date on which the interested stockholder becomes an interested stockholder, or the "Business Combination Act." These business combinations include a merger, consolidation, share exchange or, in circumstances specified in the statute, an asset transfer or issuance or reclassification of equity securities. An interested stockholder is defined as:

• any person who beneficially owns 10% or more of the voting power of the corporation's outstanding voting stock; or

• an affiliate or associate of the corporation who, at any time within the two-yearperiod prior to the date in question, was the beneficial owner of 10% or more of the voting power of the then outstanding voting stock of the corporation.

A person is not an interested stockholder under this statute if our Board of Directors approved in advance the transaction by which the stockholder otherwise would have become an interested stockholder. However, in approving a transaction, our Board of Directors may provide that its approval is subject to compliance, at or after the time of approval, with any terms and conditions determined by the board.

After the five-yearprohibition, any business combination between the Maryland corporation and an interested stockholder generally must be recommended by the board of directors of the corporation and approved by the affirmative vote of at least:

• 80% of the votes entitled to be cast by holders of outstanding shares of voting stock of the corporation; and

• two-thirdsof the votes entitled to be cast by holders of voting stock of the corporation other than shares held by the interested stockholder with whom or with whose affiliate the business combination is to be effected or held by an affiliate or associate of the interested stockholder.

These super-majorityvote requirements do not apply if the corporation's common stockholders receive a minimum price, as defined under Maryland law, for their shares in the form of cash or other consideration in the same form as previously paid by the interested stockholder for its shares.

The statute permits various exemptions from its provisions, including business combinations that are exempted by our Board of Directors before the time that the interested stockholder becomes an interested stockholder. Our Board of Directors has adopted a resolution that any business combination between us and any other person is exempted from the provisions of the Business Combination Act, provided that the business combination is first approved by our Board of Directors, including a majority of the directors who are not interested persons as defined in the 1940 Act. This resolution may be altered or repealed in whole or in part at any time; however, our Board of Directors will adopt resolutions so as to make us subject to the provisions of the Business Combination Act only if our Board of Directors determines that it would be in our best interests and if the SEC staff does not object to our determination that our being subject to the Business Combination Act does not conflict with the 1940 Act. If this resolution is repealed, or our Board of Directors does not otherwise approve a business combination, the statute may discourage others from trying to acquire control of us and increase the difficulty of consummating any offer.

Conflict with 1940 Act

Our bylaws provide that, if and to the extent that any provision of the Maryland General Corporation Law, including the Control Share Act (if we amend our bylaws to be subject to such Act) and the Business Combination Act, or any provision of our charter or bylaws conflicts with any provision of the 1940 Act, the applicable provision of the 1940 Act will control.

DESCRIPTION OF OUR PREFERRED STOCK

In addition to shares of common stock, our charter authorizes the issuance of preferred stock. If we offer preferred stock under this prospectus, we will issue an appropriate prospectus supplement. We may issue preferred stock from time to time in one or more classes or series, without stockholder approval. Prior to issuance of shares of each class or series, our Board of Directors is required by Maryland law and by our charter to set the terms, preferences, conversion or other rights, voting powers, restrictions, limitations as to dividends or other distributions, qualifications and terms or conditions of redemption for each class or series. Any such issuance must adhere to the requirements of the 1940 Act, Maryland law and any other limitations imposed by law.

The 1940 Act currently requires, among other things, that (a) immediately after issuance and before any distribution is made with respect to common stock, the liquidation preference of the preferred stock, together with all other senior securities, must not exceed an amount equal to 50% of our total assets (taking into account such distribution), (b) the holders of shares of preferred stock, if any are issued, must be entitled as a class to elect two directors at all times and to elect a majority of the directors if dividends on the preferred stock are in arrears by two years or more and (c) such class of stock have complete priority over any other class of stock as to distribution of assets and payment of dividends, which dividends shall be cumulative.

For any series of preferred stock that we may issue, our board of directors will determine and the articles supplementary and the prospectus supplement relating to such series will describe:

• the designation and number of shares of such series;

• the rate and time at which, and the preferences and conditions under which, any dividends will be paid on shares of such series, as well as whether such dividends are participating or non-participating;

• any provisions relating to convertibility or exchangeability of the shares of such series, including adjustments to the conversion price of such series;

• the rights and preferences, if any, of holders of shares of such series upon our liquidation, dissolution or winding up of our affairs;

• the voting powers, if any, of the holders of shares of such series;

• any provisions relating to the redemption of the shares of such series;

• any limitations on our ability to pay dividends or make distributions on, or acquire or redeem, other securities while shares of such series are outstanding;

• any conditions or restrictions on our ability to issue additional shares of such series or other securities;

• if applicable, a discussion of certain U.S. federal income tax considerations; and

• any other relative powers, preferences and participating, optional or special rights of shares of such series, and the qualifications, limitations or restrictions thereof.

All shares of preferred stock that we may issue will be identical and of equal rank except as to the particular terms thereof that may be fixed by our board of directors, and all shares of each series of preferred stock will be identical and of equal rank except as to the dates from which dividends, if any, thereon will be cumulative.

DESCRIPTION OF OUR SUBSCRIPTION RIGHTS

General

We may issue subscription rights to our stockholders to purchase common stock. Subscription rights may be issued independently or together with any other offered security and may or may not be transferable by the person purchasing or receiving the subscription rights. In connection with a subscription rights offering to our stockholders, we would distribute certificates evidencing the subscription rights and a prospectus supplement to our stockholders on the record date that we set for receiving subscription rights in such subscription rights offering. In accordance with the 1940 Act, any transferable subscription rights offering will entitle our record date stockholders at the time of such offering one right for each share of common stock held, entitling the rights holder to purchase one new share of common stock for a minimum of every three rights held.

The applicable prospectus supplement would describe the following terms of subscription rights in respect of which this prospectus is being delivered:

• the period of time the offering would remain open (which shall be open a minimum number of days such that all record holders would be eligible to participate in the offering and shall not be open longer than 120 days);

• the title of such subscription rights;

• the exercise price for such subscription rights (or method of calculation thereof);

• the ratio of the offering (which, in the case of transferable rights, will require a minimum of three shares to be held of record before a person is entitled to purchase an additional share);

• the number of such subscription rights issued to each stockholder;

• the extent to which such subscription rights are transferable and the market on which they may be traded if they are transferable;

• if applicable, a discussion of certain U.S. federal income tax considerations applicable to the issuance or exercise of such subscription rights;

• the date on which the right to exercise such subscription rights shall commence, and the date on which such right shall expire (subject to any extension);

• the extent to which such subscription rights include an over-subscriptionprivilege with respect to unsubscribed securities and the terms of such over-subscriptionprivilege;

• any termination right we may have in connection with such subscription rights offering; and

• any other terms of such subscription rights, including exercise, settlement and other procedures and limitations relating to the transfer and exercise of such subscription rights.

Exercise Of Subscription Rights

Each subscription right would entitle the holder of the subscription right to purchase for cash such amount of shares of common stock at such exercise price as shall in each case be set forth in, or be determinable as set forth in, the prospectus supplement relating to the subscription rights offered thereby. Subscription rights may be exercised at any time up to the close of business on the expiration date for such subscription rights set forth in the prospectus supplement. After the close of business on the expiration date, all unexercised subscription rights would become void.

Subscription rights may be exercised as set forth in the prospectus supplement relating to the subscription rights offered thereby. Upon receipt of payment and the subscription rights certificate properly completed and duly executed at the corporate trust office of the subscription rights agent or any other office indicated in the prospectus supplement we will forward, as soon as practicable, the shares of common stock purchasable upon such exercise. To the extent permissible under applicable law, we may determine to offer any unsubscribed offered securities directly to persons other than stockholders, to or through agents, underwriters or dealers or through a combination of such methods, as set forth in the applicable prospectus supplement.

Dilutive Effects

Any stockholder who chooses not to participate in a rights offering should expect to own a smaller interest in us upon completion of such rights offering. Any rights offering will dilute the ownership interest and voting power of stockholders who do not fully exercise their subscription rights. Further, because the net proceeds per share from any rights offering may be lower than our then current net asset value per share, the rights offering may reduce our net asset value per share. The amount of dilution that a stockholder will experience could be substantial, particularly to the extent we engage in multiple rights offerings within a limited time period. In addition, the market price of our common stock could be adversely affected while a rights offering is ongoing as a result of the possibility that a significant number of additional shares may be issued upon completion of such rights offering. All of our stockholders will also indirectly bear the expenses associated with any rights offering we may conduct, regardless of whether they elect to exercise any rights.

DESCRIPTION OF OUR WARRANTS

The following is a general description of the terms of the warrants we may issue from time to time. Particular terms of any warrants we offer will be described in the prospectus supplement relating to such warrants.

We may issue warrants representing rights to purchase shares of our common stock, preferred stock or debt securities. Such warrants may be issued independently or together with shares of common stock and may be attached or separate from such shares of common stock. We will issue each series of warrants under a separate warrant agreement to be entered into between us and a warrant agent. The warrant agent will act solely as our agent and will not assume any obligation or relationship of agency for or with holders or beneficial owners of warrants.

A prospectus supplement will describe the particular terms of any series of warrants we may issue, including the following:

• the title of such warrants;

• the aggregate number of such warrants;

• the price or prices at which such warrants will be issued;

• the currency or currencies, including composite currencies, in which the price of such warrants may be payable;

• the number of shares of common stock issuable upon exercise of such warrants;

• the price at which and the currency or currencies, including composite currencies, in which the shares of common stock purchasable upon exercise of such warrants may be purchased;

• the date on which the right to exercise such warrants shall commence and the date on which such right will expire;

• whether such warrants will be issued in registered form or bearer form;

• if applicable, the minimum or maximum amount of such warrants which may be exercised at any one time;

• if applicable, the number of such warrants issued with each share of common stock;

• if applicable, the date on and after which such warrants and the related shares of common stock will be separately transferable;

• information with respect to book-entryprocedures, if any;

• if applicable, a discussion of certain U.S. federal income tax considerations; and

• any other terms of such warrants, including terms, procedures and limitations relating to the exchange and exercise of such warrants.

We and the warrant agent may amend or supplement the warrant agreement for a series of warrants without the consent of the holders of the warrants issued thereunder to effect changes that are not inconsistent with the provisions of the warrants and that do not materially and adversely affect the interests of the holders of the warrants.

Under the 1940 Act, we may generally only offer warrants provided that (1) the warrants expire by their terms within ten years; (2) the exercise or conversion price is not less than the current market value at the date of issuance; (3) our stockholders authorize the proposal to issue such warrants, and our board of directors approves such issuance on the basis that the issuance is in the best interests of the Company and its stockholders; and (4) if the warrants are accompanied by other securities, the warrants are not separately transferable unless no class of such warrants and the securities accompanying them has been publicly distributed. The 1940 Act also provides that the amount of our voting securities that would result from the exercise of all outstanding warrants at the time of issuance may not exceed 25% of our outstanding voting securities.

DESCRIPTION OF OUR DEBT SECURITIES