Company: APM
Filing Date: 2025-12-05
Form Type: 424B5
Source: 0001213900-25-118752
Chunk: 192

Company: Aptorum Group Ltd
Filing Date: 2025-12-05
Form: 424B5
Chunk 192
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 retirement
or resignation or (iii) such time as may be determined by a majority of the directors of Combined Company who are Primary Stockholder
Designees. Furthermore, so long as the DiamiR Stockholder Beneficial Ownership is no less than 25%, the Combined Company should obtain
prior written approval from the DiamiR Primary Stockholder Parties for certain significant corporate actions, including but not limited
to (i) voluntary dissolution, winding up or bankruptcy of the Combined Company or any significant subsidiary of it; (ii) issuance of common
stock or securities convertible into the shares of common stock representing more than 10% of the outstanding shares of the Combined Company
in a six-month period; (iii) any amendment to the governing documents of the Combined Company that will adversely affect the Primary Stockholder
Designee, or the Combined Company’s ability to fulfill its obligations under the Stockholders Agreement; (iv) any acquisition, sale
of assets, merger, amalgamation nor consolidation transactions; and (v) replacement of the Chief Executive Officer or Chief Financial
Officer of the Combined Company.

<div align='center'>102</div>

If, at any time that the DiamiR Stockholder Beneficial Ownership is
less than 25%, the Primary Stockholder Parties shall no longer have any right to designate any nominee for election to the Board of the
Combined Company, or have the right to veto on the significant corporate actions as set forth in the Stockholders Agreement.

Immediately prior to the closing of the Merger, Aptorum will transfer
by way of continuation to and domesticate as a Delaware corporation (the “Domestication”; the Company immediately following
the Domestication and prior to the closing of Merger, “Aptorum Delaware”). In connection with the Domestication, each then
issued and outstanding Class A ordinary share of Aptorum will convert automatically, on a one-for-one basis, into a share of common stock
of Aptorum Delaware, and each then issued and outstanding Class B ordinary share of Aptorum will convert automatically into a share of
common stock of Aptorum Delaware and a share of non-voting and non-convertible Series A preferred stock of Aptorum Delaware.

At the effective time of the Merger (the “Effective Time”),
each then-outstanding share of DiamiR’s common stock, other than dissenting shares, will be converted into a number of shares of
Aptorum Delaware common stock equal to the Conversion Ratio described in more detail in the section titled “