Company: APM
Filing Date: 2025-10-06
Form Type: S-4
Source: 0001213900-25-096656
Chunk: 528

Company: Aptorum Group Ltd
Filing Date: 2025-10-06
Form: S-4
Chunk 528
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 % |
| Risk-free interest rate |     |  4.1 | % |
| Expected dividend yield |     |    0 | % |

F-66

DIAMIR BIOSCIENCES CORP.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS NOTE 11 — STOCKHOLDERS’ EQUITY (cont.) In the year ended May 31, 2024, the Company modified the terms of certain of its outstanding stock options representing an aggregate of 140,000shares. These modifications included a reduction in exercise prices from $ 7.01per share to $ 0.01per share and the addition of performance and vesting conditions, not currently considered probable of achievement, related to corporate transactions. In the year ended May 31, 2025, stock -basedcompensation expense amounted to $ 24,312, which is included in research and development expenses. In the year ended May 31, 2024, stock -basedcompensation expense amounted to $ 194,846, of which $ 182,912is included in research and development expenses and $ 11,934is included in general and administrative expenses. As of May 31, 2025, unrecognized stock -basedcompensation expense related to options for which vesting is considered probable was $ 0. As of May 31, 2025, unrecognized stock -basedcompensation expense related to options for which vesting is not considered probable was $ 1,093,712. In the year ended May 31, 2023, the Company issued 132,000restricted stock units, vesting upon a change in control or public listing of the Company’s common stock. In the year ended May 31, 2024, concurrent with the modification of stock options described above, the Company terminated outstanding restricted stock units representing 44,000shares. Vesting of the units is not considered probable and no compensation expense has been recognized through the year ended May 31, 2025. The grant -datefair value and unrecognized compensation expense as of May 31, 2025 related to the restricted stock units amounts to $ 652,080.

NOTE 12 — INCOME TAXES

For the years ended May 31, 2025 and 2024, the provision for income taxes consisted of the following:

| Current:       |     | 2025 |        |     | 2024 |         |
|:---------------|:----|:-----|-------