Company: APM
Filing Date: 2025-07-22
Form Type: 6-K
Source: 0001213900-25-066642
Chunk: 5

Company: Aptorum Group Ltd
Filing Date: 2025-07-22
Form: 6-K
Chunk 5
---
 liabilities, or results of operations of DiamiR and its subsidiaries, 
 other than as may be required by applicable accounting standards or applicable Law;                                                     |

| ● | make, change or revoke any material Tax election in a manner inconsistent                                                                   
 with past practice; change or revoke any material accounting method with respect to Taxes resulting in a material amount of additional      
 Tax or filing of any amended Tax Return which will result in a material amount of additional Tax; file any material Tax Return in a manner  
 inconsistent with past practice which will result in a material amount of additional Tax; settle or compromise any material Tax claim       
 or Tax liability; enter into any material closing agreement with respect to any Tax; or surrender any right to claim a material refund      
 of Taxes; or knowingly take any action or knowingly fail to take any action, which action or failure to act would reasonably be expected    
 to prevent, impair, or impede the Merger from qualifying for the Intended Tax Treatment (as defined in the Merger Agreement included hereto 
 as Exhibit 2.1), in each case except in the ordinary course of business consistent with its past practice; or                               |

| ● | enter into any contract that would conflict with the requirement to 
 continue to operate its business in the ordinary course.            |

<div align='center'>3</div>

In addition, except as otherwise
specifically contemplated by the Merger Agreement, disclosure schedules, or other transaction documents, as may be required by law, or
unless the otherwise consented by DiamiR in writing, Aptorum must not and must cause each of its subsidiaries not to:

| ● | change or amend its organizational documents except as expressly contemplated                      
 by the Transaction Agreements (as defined in the Merger Agreement included hereto as Exhibit 2.1); |

| ● | (A) declare, set aside, establish a record date for,                                                                                            
 make or pay any dividend or other distribution, payable in cash, shares, property or otherwise in respect of any outstanding equity securities; 
 (B) except for (i) the conversion of Aptorum Class B Ordinary Shares into Aptorum Class A ordinary Shares that is                               
 initiated by shareholder(s) of Aptorum, issue, sell, grant, or offer to issue, sell, grant any equity securities and (ii) the                   
 issuance of shares of Aptorum Common Stock following the Domestication issue, sell, grant, or offer to issue, sell, grant any equity            
 securities, provided, however, each of Aptorum and the