普罗斯佩克特资本美股招股说明书(2025-04-28版)

Filed under Rule424(b)(2), Registration Statement No.333-269714Pricing Supplement No.1513 and 1514 — Dated Monday, April 28, 2025(To: Prospectus Dated February 10, 2023, Prospectus Supplement Dated February 10, 2023and Supplement to Prospectus Supplement Dated June 5, 2023) Trade Date: Monday, April 28, 2025 @ 12:00 PM ETSettle Date: Thursday, May 1, 2025Minimum Denomination/Increments: $1,000.00/$1,000.00Initial trades settle flat and clear SDFS: DTC Book Entry only The Notes will be issued pursuant to the Indenture, dated as of February16, 2012, as amended and supplemented by that certain One Thousand Five HundredThirteenth and One Thousand Five Hundred Fourteenth Supplemental Indenture dated as of May 1, 2025. The date from which interest shall accrue on the Notes is Thursday, May 1, 2025. The “Interest Payment Dates” for the Notes shall be May 15 and November15 of each year, commencing November 15, 2025; the interest payable on any Interest Payment Date, will be paid to the Person in whose name the Notes (or one ormore predecessor Notes) is registered at the close of business on the Regular Record Date (as defined in the Indenture) for such interest, which shall be May 1 orNovember 1, as the case may be, next preceding such Interest Payment Date. The Notes will be redeemable in whole or in part at any time or from time to time, at the option of Prospect Capital Corporation, on or after November 15,2025 at a redemption price of $1,000 per Note plus accrued and unpaid interest payments otherwise payable for the then-current semi-annual interest period accrued to,but excluding, the date fixed for redemption and upon not less than 5days nor more that 60days prior notice to the noteholder and the trustee, as described in theprospectus. Except for Notes sold to level-fee accounts, Notes offered to the public will be offered at the public offering price set forth above. Agents purchasing Noteson an agency basis for client accounts shall purchase Notes at the public offering price. Notes sold by the Agents for their own account may be sold at the publicoffering price less the discount specified above. Notes purchased by the Agents on behalf of level-fee accounts may be sold to such accounts at the discount to the publicoffering price specified above, in which case, such Agents will not retain any portion of the sales price as compensation. Prospect Capital Corporation is a financial services company that lends to and invests in middle market, privately-held companies. We are organized as anexternally-managed, non-diversified closed-end management investment company that has elected to be treated as a business development company under theInvestment Company Act of 1940. Prospect Capital ManagementL.P. manages our investments and Prospect AdministrationLLC provides the administrative servicesnecessary for us to operate. This pricing supplement relates only to the securities described in the accompanying prospectus, is only a summary of changes and should be read togetherwith the accompanying prospectus, including among other things the section entitled “Risk Factors” beginning on page11 of such prospectus. This pricing supplementand the accompanying prospectus contain important information you should know before investing in our securities. Please read it before you invest and keep it forfuture reference. We file annual, quarterly and current reports, proxy statements and other information about us with the Securities and Exchange Commission, or the“SEC.” This information is available free of charge by contacting us at 10 East 40thStreet, 42nd Floor, New York, NY 10016 or by telephone at (212)448-0702. TheSEC maintains a website at www.sec.gov where such information is available without charge upon written or oral request. Our internet website address iswww.prospectstreet.com. Information contained on our website is not incorporated by reference into this pricing supplement or the accompanying prospectus and youshould not consider information contained on our website to be part of this pricing supplement or the accompanying prospectus. Neither the SEC nor any state securities commission has approved or disapproved of these securities or passed on the adequacy or accuracy of this pricingsupplement. Any representation to the contrary is a criminal offense. Obligations of Prospect Capital Corporation and any subsidiary of Prospect Capital Corporation arenot guaranteed by the full faith and credit of the United States of America. Neither Prospect Capital Corporation nor any subsidiary of Prospect Capital Corporation is agovernment-sponsored enterprise or an instrumentality of the United States of America. InterNotesis a registered trademark of InspereX HoldingsLLC.® Recent Events: On January 31, 2025 we launched an offer to exchange (i) any and all outstanding 6.50% Series M3 Preferred Stock for either Floating Rate Series M4Preferred Stock or 7.50% Series M5 Preferred Stock and (ii) 5.50% Series M1 Prefer