Company: APM
Filing Date: 2025-12-05
Form Type: 6-K/A
Source: 0001213900-25-118748
Chunk: 1

Company: Aptorum Group Ltd
Filing Date: 2025-12-05
Form: 6-K/A
Chunk 1
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 earlier of the closing of the Merger or December 31, 2025.

As set forth in the Initial
Report, the Termination Date for the Merger was initially set at December 31, 2025; the Management Services Agreement and Licensing Agreement
were also set to expire on December 31, 2025. As the parties continue to work towards satisfying the closing conditions for the Merger,
they agreed to extend the Termination Date and other agreements to March 31, 2025. The parties signed an amendment to the Management Services
Agreement reflecting the extended term (the “Amendment”); the Amendment also increases the monthly Management Service Fee
to $105,000 per month.

The foregoing description of the Amendment does not purport to be complete and is qualified in its entirety by reference to the Amendment, which is attached hereto as Exhibit 10.3 and is incorporated herein by reference.

Non-Solicitation

This
report is not a notice of shareholders meeting or solicitation of a proxy, consent or authorization with respect to any securities or
in respect of the proposed transactions and shall not constitute an offer to sell or a solicitation of an offer to buy the securities
of Aptorum or DiamiR, nor shall there be any sale of any such securities in any state or jurisdiction in which such offer, solicitation,
or sale would be unlawful prior to registration or qualification under the securities laws of such state or jurisdiction. No offer of
securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended.

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Additional Information about the Transactions and Where to Find It

In
connection with the Merger and related transactions, Aptorum filed a registration statement on Form S-4 (File NO. 333-290742) with the
SEC on October 6, 2025 and will mail notices of shareholders meeting and other relevant documents to its shareholders. Investors and security
holders of Aptorum are advised to read, when available, the Form S-4, and amendments thereto, the notice to shareholders, and amendments
thereto, in connection with Aptorum’s solicitation of proxies for its shareholder’ meeting to be held to approve the transactions
described herein because the notice to shareholders will contain important information about the transactions and the parties to the transactions.
The notices to shareholders will be mailed to Aptorum’s shareholders as of a record date to