Prospect Capital Corporation (PSEC) to terminate registration of 4 preferred shares

Rhea-AI Filing Summary

Prospect Capital Corporation filed a Form 15 to terminate registration under Section 12(g) and suspend reporting obligations under Sections 13 and 15(d) for its 5.50% Series AA1 Preferred Stock, 5.50% Series MM1 Preferred Stock, 6.50% Series AA2 Preferred Stock, and 6.50% Series MM2 Preferred Stock.

Duties to file reports remain for its common stock, several other preferred stock series, and outstanding notes, including its 3.364% Notes due 2026, 3.437% Notes due 2028, and Prospect Capital InterNotes®.

Key Figures

Coupon rate, 5.50% Series AA1 Preferred Stock: 5.50% Coupon rate, 6.50% Series AA2 Preferred Stock: 6.50% Interest rate, Notes due 2026: 3.364% +1 more

4 metrics

Coupon rate, 5.50% Series AA1 Preferred Stock 5.50% Stated rate for Series AA1 Preferred Stock covered by the Form 15

Coupon rate, 6.50% Series AA2 Preferred Stock 6.50% Stated rate for Series AA2 Preferred Stock covered by the Form 15

Interest rate, Notes due 2026 3.364% Coupon on Prospect Capital’s 3.364% Notes due 2026 that remain subject to reporting

Interest rate, Notes due 2028 3.437% Coupon on Prospect Capital’s 3.437% Notes due 2028 that remain subject to reporting

Key Terms

Form 15, Section 12(g), Section 13, Section 15(d), +2 more

6 terms

Form 15 regulatory

"FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION"

A Form 15 is a short filing a public company uses with the U.S. Securities and Exchange Commission to stop or pause its routine public reporting requirements when it meets certain legal thresholds (such as a low number of public shareholders) or other qualifying conditions. Investors should care because filing one typically means less public financial information and lower trading liquidity—similar to a shop taking down its public notice board, making it harder to track performance and buy or sell shares.

Section 12(g) regulatory

"TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES"

Section 12(g) is a rule that requires companies to register with the government and share their financial details when they have a certain number of shareholders or assets. It matters because it makes these companies more transparent, helping investors make informed decisions and keeping the markets fair.

Section 13 regulatory

"SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)"

Section 13 of the U.S. Securities Exchange Act requires public companies and large shareholders to disclose important ownership and reporting information to the market, including regular financial reports and filings when someone builds a significant stake. For investors it acts like a public checkbook and alert system: it provides verified updates on a company’s health and who controls it, helping buyers judge risk, spot takeover activity, and make informed decisions.

Section 15(d) regulatory

"SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)"

Section 15(d) is a U.S. securities law rule that can require a company to keep filing regular public financial reports with regulators after it sells stock in certain offerings, even if it otherwise would stop reporting. Think of it like a store that must continue posting its receipts so buyers can check its health; for investors, it preserves ongoing disclosure and helps them track a company’s finances and risks that might affect the stock.

Cumulative Perpetual Preferred Stock financial

"5.35% Series A Fixed Rate Cumulative Perpetual Preferred Stock"

A cumulative perpetual preferred stock is a share that acts like a long-lasting hybrid between a bond and a dividend-paying stock: it promises regular fixed payments that, if missed, accumulate and must be paid later before common shareholders get dividends, and it has no set maturity date. Investors care because it can provide steady, higher-priority income similar to interest, but with limited capital upside, sensitivity to interest rates, and the risk that payments can be delayed even though they continue to accrue.

InterNotes® financial

"Prospect Capital InterNotes® (Titles of all other classes of securities"

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Available on EDGAR 07/16/2026 - 04:23 PM Accepted by SEC EDGAR 07/16/2026 - 04:23 PM Learn about SEC filing dates

FAQ

What action did Prospect Capital (PSEC) take in this Form 15 filing?

Prospect Capital Corporation filed a Form 15 to terminate registration under Section 12(g) and suspend reporting duties under Sections 13 and 15(d) for four series of preferred stock, while leaving its common stock, other preferreds, and notes still subject to reporting.

Which Prospect Capital (PSEC) preferred stock series are being deregistered?

The Form 15 covers four preferred series: 5.50% Series AA1 Preferred Stock, 5.50% Series MM1 Preferred Stock, 6.50% Series AA2 Preferred Stock, and 6.50% Series MM2 Preferred Stock. Exchange Act registration and related reporting obligations are being terminated or suspended for these classes.

Which Prospect Capital (PSEC) securities remain subject to SEC reporting?

Reporting duties remain for common stock, multiple other preferred stock series, 3.364% Notes due 2026, 3.437% Notes due 2028, and Prospect Capital InterNotes®. The Form 15 only applies to four specified preferred stock series, not to these continuing securities.

What does termination of registration under Section 12(g) mean for PSEC’s covered preferred shares?

For the four covered preferred series, Section 12(g) registration is terminated and the company’s duty to file reports under Sections 13 and 15(d) is suspended. This change applies specifically to those classes named in the Form 15 certification and notice.

When was Prospect Capital’s (PSEC) Form 15 signed and by whom?

The Form 15 was signed on July 16, 2026 by M. Grier Eliasek, who is identified as the company’s Chief Operating Officer. The signature reflects authorization on behalf of Prospect Capital Corporation as the registrant.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION

UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934

OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934.

Commission File Number: 814-00659

Prospect Capital Corporation

(Exact name of registrant as specified in its charter)

10 East 40th Street

New York, New York 10016

Telephone: (212) 448-0702

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

5.50% Series AA1 Preferred Stock, par value $0.001

5.50% Series MM1 Preferred Stock, par value $0.001

6.50% Series AA2 Preferred Stock, par value $0.001

6.50% Series MM2 Preferred Stock, par value $0.001

(Title of each class of securities covered by this Form)

Common Stock, par value $0.001 per share

5.35% Series A Fixed Rate Cumulative Perpetual Preferred Stock, par value $0.001

5.50% Series A1 Preferred Stock, par value $0.001

5.50% Series M1 Preferred Stock, par value $0.001

5.50% Series M2 Preferred Stock, par value $0.001

5.50% Series A2 Preferred Stock, par value $0.001

6.50% Series A3 Preferred Stock, par value $0.001

6.50% Series M3 Preferred Stock, par value $0.001

7.50% Series A5 Preferred Stock, par value $0.001

7.50% Series M5 Preferred Stock, par value $0.001

Floating Rate Series A4 Preferred Stock, par value $0.001

Floating Rate Series M4 Preferred Stock, par value $0.001

3.364% Notes due 2026

3.437% Notes due 2028

Prospect Capital InterNotes®

(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:

Rule 12g-4(a)(1)			☒
Rule 12g-4(a)(2)			☐
Rule 12h-3(b)(1)(i)			☐
Rule 12h-3(b)(1)(ii)			☐
Rule 15d-6			☐
Rule 15d-22(b)			☐
Approximate number of holders of record as of the certification or notice date:
5.50% Series AA1 Preferred Stock: Zero (0)
5.50% Series MM1 Preferred Stock: Zero (0)
6.50% Series AA2 Preferred Stock: Zero (0)
6.50% Series MM2 Preferred Stock: Zero (0)

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

Date: July 16, 2026			Prospect Capital Corporation
			By:			/s/ M. Grier Eliasek
			Name:			M. Grier Eliasek
			Title:			Chief Operating Officer