Company: APM
Filing Date: 2025-12-05
Form Type: 424B5
Source: 0001213900-25-118752
Chunk: 367

Company: Aptorum Group Ltd
Filing Date: 2025-12-05
Form: 424B5
Chunk 367
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 following table sets forth
certain information regarding the beneficial ownership of DiamiR’s common stock. The information below indicates:

| ● | each                                                                                                                             
 person who is known by us to be the beneficial owner of more than five percent (5%) of DiamiR’s issued and outstanding shares of 
 common stock;                                                                                                                    |

| ● | each                                                                            
 of DiamiR’s directors, executive officers and nominees to become directors; and |

| ● | all                                          
 directors and executive officers as a group. |

Beneficial ownership is determined
in accordance with the rules of the SEC and is calculated based on 4,440,891 shares of common stock outstanding and 0 shares of Preferred
Stock outstanding as of December 4, 2025.

Except as otherwise indicated,
each person and each group shown in the table has sole voting and investment power with respect to the shares of common stock. For purposes
of the table below, in accordance with Rule 13d-3 under the Exchange Act, a person is deemed to be the beneficial owner, for
purposes of any shares of common stock, over which he or she has or shares, directly or indirectly, voting or investment power, or of
which he or she has the right to acquire beneficial ownership at any time within 60 days after December 4, 2025. As used herein,
“voting power” is the power to vote or direct the voting of shares and “investment power” includes the power to
dispose or direct the disposition of shares.

The address for the DiamiR
officers and directors is 11 Deer Park Drive, Suite 102G, Monmouth Junction, NJ 08852.

|                                                             |     | Shares of common   
 stock beneficially 
 owned              |           |    |     |   |      |   |
| Name of Beneficial Owner                                    |     | Number             |           |    |     | % |      |   |
| Alidad Mireskandari                                         |     |                    |    66,000 | -1 |     |   |  1.5 | % |
| Kira S. Sheinerman                                          |     |                    | 1,992,221 |    |     |   | 44.2 | % |
| Samuil Umansky                                              |     |                    | 1,777,956 |    |     |   | 39.4 | % |
| Gary Anthony(2)                                             |     |                    |