Company: APM
Filing Date: 2025-12-05
Form Type: 424B5
Source: 0001213900-25-118752
Chunk: 422

Company: Aptorum Group Ltd
Filing Date: 2025-12-05
Form: 424B5
Chunk 422
---
,088,961 | ) |     |                      |   418,687 |   |     |        |     |                                 | 4,286,162 |     |                         | 32,666,039 |   |     |            |     |           |  50,050,571 |   |
| Total Liabilities and Equity                                                                                                                                                              |     | $                 |  18,104,586 |   |     | $                |    384,624 |   |     | $                    | 1,715,999 |   |     |        |     | $                               |         - |     | $                       | 32,666,039 |   |     |            |     | $         |  52,871,248 |   |

<div align='center'>242

UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF OPERATIONS
FOR THE SIX MONTHS ENDED JUNE 30, 2025
(In U.S. dollars except share and per share data)</div>

|                                                                              |     | Aptorum 6/30/2025 |           |   |     | DiamiR 5/31/2025 |           |   |     | Offering    
 Transaction 
 accounting  
 adjustments |   |     | Notes |     | Conversion of notes payable (c) |   |     | Acquisition 
 Transaction 
 accounting  
 adjustments |         |     | Notes |     | Pro Forma 
 Combined  |            |   |
|:-----------------------------------------------------------------------------|:----|:------------------|----------:|:--|:----|:-----------------|----------:|:--|:----|:------------|:--|:----|:------|:----|:--------------------------------|:--|:----|:------------|--------:|:----|:------|:----|:----------|-----------:|:--|
| Revenue                                                                      |     | $                 |         - |   |     | $                |   188,910 |   |     | $           | - |     |       |     | $                               | - |     | $           |       - |     |       |     | $         |    188,910 |   |
| Operating expenses                                                           |     |                   |           |   |     |                  |           |   |     |             |   |     |       |     |                                 |   |     |             |         |     |       |     |