Company: APM
Filing Date: 2025-12-05
Form Type: 424B5
Source: 0001213900-25-118752
Chunk: 452

Company: Aptorum Group Ltd
Filing Date: 2025-12-05
Form: 424B5
Chunk 452
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 a significant reduction of recorded income tax liabilities. The provisions were not effective as of May 31, 2025 and their effects, if any, are expected to be recorded in the Company’s consolidated financial statements for the year ending May 31, 2026.

On July 7, 2025, DiamiR entered into a financial advisory agreement with H.C. Wainwright & Co., LLC (“Wainwright”), with Wainwright to act as exclusive financial advisor to DiamiR in connection with the merger with Aptorum. As compensation for its services, upon the consummation of the Merger, Wainwright will receive common stock purchase warrants to purchase up to a number of shares of common stock of the combined company equal to $500,000 divided by the closing price of the combined company’s common stock on the date of consummation of the Merger, which warrants shall have an exercise price of $0.01 per share and a term of exercise of five years. In the event that DiamiR (or the combined company) consummates one or more financing transactions, with gross proceeds of at least $4,000,000 following the execution of the Merger Agreement through and including the consummation of the Merger and within 90 days thereafter, Wainwright shall receive a cash fee of $250,000, which cash fee shall be paid in lieu of a number of warrants equal to $250,000. The Executive Director and co-founder of DiamiR, is currently a managing director of Wainwright.

The Company has evaluated subsequent events through October 6, 2025, the date these financial statements were available to be issued.

<div align='center'>F-23

Aptorum Group Limited

2,060,000 Class A Ordinary Shares

PRELIMINARY PROSPECTUS

December 5, 2025</div>