Aptorum Group Ltd — Proxy Solicitation & Information Statement 2026

Feb 6, 2026

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of February 2026

Commission File Number: 001-38764

APTORUM GROUP LIMITED

17 Hanover Square

London W1S 1BN, United Kingdom

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ☒ Form 40-F ☐

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The Registrant is filing this Report on Form 6-K to provide its proxy statement for its 2025 annual general meeting of shareholders. The 2025 annual general meeting of shareholders will be held on March 10, 2026, 17/F., Guangdong Investment Tower,148 Connaught Road Central, Hong Kong at 9:00 pm Hong Kong time. Copy of the proxy statement and proxy card are attached hereto as Exhibit 99.1 and 99.2, respectively. The polls will close at 11:59 p.m. EST on March 9, 2026.

Neither this report nor the exhibits constitute an offer to sell, or the solicitation of an offer to buy our securities, nor shall there be any sale of our securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or jurisdiction.

The information in this Form 6-K, including the exhibits shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and shall not be incorporated by reference into any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

This Form 6-K is hereby incorporated by reference into the registration statements of the Company on Form S-8 (Registration Number 333-232591), Form F-3 (Registration Number 333-268873) and Form F-3 (Registration Number 333-292793) and into each prospectus outstanding under the foregoing registration statements, to the extent not superseded by documents or reports subsequently filed or furnished by the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.

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EXHIBIT INDEX

Exhibit No.	Description
99.1	2025 Notice of Annual General Meeting of Shareholders and Proxy Statement
99.2	Form of Proxy Card

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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, thereunto duly authorized.

/s/ Ian Huen
Name:	Ian Huen
Title:	Chief Executive Officer

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