Document

Prospectus Supplement No. 21

Filed pursuant to Rule 424(b)(3)

(To Prospectus dated June 20, 2025)

Registration No. 333-287930

Wheeler Real Estate Investment Trust, Inc.

This is Prospectus Supplement No. 21 (this “Prospectus Supplement”) to our Prospectus, dated June 20, 2025 (the “Prospectus”), relating to the issuance from time to time by Wheeler Real Estate Investment Trust, Inc. of up to 100,043,323 shares of our common stock, par value $0.01 (“Common Stock”). Terms used but not defined in this Prospectus Supplement have the meanings ascribed to them in the Prospectus.

We have attached to this Prospectus Supplement our Current Report on Form 8-K filed on January 6, 2026. The attached information updates and supplements, and should be read together with, the Prospectus, as supplemented from time to time.

Investing in our Common Stock involves a high degree of risk. You should review carefully the risks and uncertainties described under the heading “Risk Factors” beginning on page 6 of the Prospectus, and under similar headings in any amendments or supplements to the Prospectus.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of the Prospectus. Any representation to the contrary is a criminal offense.

The date of this Prospectus Supplement is January 6, 2026.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of report (date of earliest event reported): January 5, 2026

WHEELER REAL ESTATE INVESTMENT TRUST, INC.

(Exact name of registrant as specified in its charter)

Maryland

001-35713

45-2681082

(State or other jurisdiction
of incorporation or organization)

(Commission
File Number)

(IRS Employer
Identification No.)


2529 Virginia Beach Blvd. Virginia Beach, VA						23452
(Address of principal executive offices)						(Zip code)

Registrant’s telephone number, including area code: (757) 627-9088

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


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

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

Emerging growth company ☐

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

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

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, $0.01 par value per share

WHLR

Nasdaq Capital Market

Series B Convertible Preferred Stock

WHLRP

Nasdaq Capital Market

Series D Cumulative Convertible Preferred Stock

WHLRD

Nasdaq Capital Market

7.00% Subordinated Convertible Notes due 2031

WHLRL

Nasdaq Capital Market

Item 8.01 Other Events

Conversion Price of 7.00% Subordinated Convertible Notes due 2031

Item 8.01 of this Current Report on Form 8-K as to the redemptions by the holders of Wheeler Real Estate Investment Trust, Inc.’s (the “Company”) Series D Cumulative Convertible Preferred Stock (the “Series D Preferred Stock”) is incorporated herein by reference.

For the January redemptions, the lowest price at which any Series D Preferred Stock was converted by a holder thereof into the Company’s common stock, par value $0.01 (“Common Stock”) was approximately $2.11. Accordingly, pursuant to Section 14.02 (Optional Conversion) of the indenture governing the Company’s 7.00% Subordinated Convertible Notes due 2031 (the “Notes”), the conversion price for the Notes was further adjusted to approximately $1.16 per share of Common Stock (approximately 21.50 shares of Common Stock for each $25.00 of principal amount of the Notes being converted), representing a 45% discount to $2.11.

Results of January 2026 Series D Preferred Stock Redemptions

•The 28th monthly “Holder Redemption Date” occurred on January 5, 2026.

•The Company processed one redemption request from a holder of its Series D Preferred Stock, redeeming 700 shares of Series D Preferred Stock for a redemption price of approximately $42.20 per share ($25.00 per share plus the amount of all accrued but unpaid dividends to and including the January 5, 2026 Holder Redemption Date) (the “Redemption Price”).

•The Company settled the aggregate Redemption Price through the issuance of 13,974 shares of its Common Stock.

•The volume weighted average of the closing sales price, as reported on the Nasdaq Capital Market, per share of Common Stock for the ten consecutive trading days immediately preceding, but not including, the January 5, 2026 Holder Redemption Date was approximately $2.11.

Cumulative Series D Preferred Stock Redemption Information

•To date, the Company has processed 398 redemption requests, collectively redeeming 1,759,881 shares of Series D Preferred Stock.

•The Company has issued approximately 459,000 shares of its Common Stock in settlement of all such redemption requests in the aggregate.

•As of January 6, 2026, the Company had 1,909,573 shares of Common Stock and 1,577,848 shares of Series D Preferred Stock outstanding.

February 2026 Redemptions

•The deadline for the next monthly round of Series D Preferred Stock redemptions is January 25, 2026.

•The next monthly Holder Redemption Date will occur on February 5, 2026.

•Required redemption forms and a list of frequently asked questions can each be found on the Company’s website at https://ir.whlr.us/series-d/series-d-redemption.

Information contained on the Company’s website is not incorporated by reference into this Current Report on Form 8-K and should not be considered to be part of this Current Report on Form 8-K.

Forward-Looking Statements.

This Current Report on Form 8-K includes forward-looking statements. These statements are made under the "safe harbor" provisions of the U.S. Private Securities Litigation Reform Act of 1995. These statements may be identified by words such as "will, "anticipates," "possible," "likely," "plans," and “expects”, or the negative of such terms, or other comparable terminology. Forward-looking statements are statements that are not historical facts. Such forward-looking statements are not guarantees of future performance and are subject to risks and uncertainties, which could cause actual results to differ materially from the forward-looking statements contained herein due to many factors. These forward-looking statements and such risks, uncertainties and other factors speak only as of the date of this Current Report on Form 8-K, and the Company expressly disclaims any obligation or undertaking to update or revise any forward-looking statement contained herein, or to reflect any change in our expectations with regard thereto or any other change in events, conditions or circumstances on which any such statement is based, except to the extent otherwise required by applicable law.

SIGNATURES

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



WHEELER REAL ESTATE INVESTMENT TRUST, INC.

By:						/s/ Crystal Plum
						Name: Crystal Plum
						Title: Chief Financial Officer

Dated: January 6, 2026