Company: APM
Filing Date: 2025-11-17
Form Type: F-1
Source: 0001213900-25-111548
Chunk: 416

Company: Aptorum Group Ltd
Filing Date: 2025-11-17
Form: F-1
Chunk 416
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 any such change over the next 12 months.

The Company’s policy is to recognize interest expense and penalties related to income tax matters in income tax expense. As of May 31, 2025 and 2024, accrued interest related to uncertain tax positions amounted to $ 20,483and $ 4,000, respectively.

The Company and its subsidiary are subject to U.S. federal and state income tax, and in the normal course of business, its income tax returns are subject to examination by the relevant taxing authorities. As of May 31, 2025, the 2017 to 2025 tax years remained subject to examination.

F-21 DIAMIR BIOSCIENCES CORP.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 13 — LOSS PER SHARE

The following common stock equivalents have been excluded from the calculation of loss per share because their effects would be antidilutive:

|                  |     | 2025 |         |     | 2024 |         |
| Stock options    |     |      | 511,950 |     |      | 511,950 |
| Restricted stock |     |      |  88,000 |     |      |  88,000 |
| Warrants         |     |      |       — |     |      |  29,336 |

Additional shares are issuable under the Company’s convertible notes, the amount of which is dependent on future events.

NOTE 14 — DEFINED CONTRIBUTION PLAN The Company maintains a 401K plan for the benefit of its employees. Company contributions amounted to $ 5,948and $ 12,711in the years ended May 31, 2025 and 2024, respectively.

NOTE 15 — SEGMENT INFORMATION

Segment revenue and expenses are as follows in the years ended May 31, 2025 and 2024.

|                                  |     |   |     2025 |   |     |   |      2024 |   |
|:---------------------------------|:----|:--|---------:|:--|:----|:--|----------:|:--|
| Revenue                          |     | $ |  631,729 |   |     | $ | 1,319,531 |   |
| Research and development         |     |   |          |   |     |   |           |   |
| Salaries and benefits            |     |   |  449,344 |   |     |