Company: APM
Filing Date: 2025-10-06
Form Type: S-4
Source: 0001213900-25-096656
Chunk: 400

Company: Aptorum Group Ltd
Filing Date: 2025-10-06
Form: S-4
Chunk 400
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2)                                       |     |          1,992,221 |      |     | 44.2 | % |
| Samuil Umansky(2)                                           |     |          1,777,956 |      |     | 39.4 | % |
| Gary Anthony(3)                                             |     |                  — |      |     |    — |   |
| All executive officers and directors as a group (4 persons) |     |          3,836,177 |      |     | 85.1 | % |

____________ *less than 1%. (1)Represents Mr. Mireskandari’s option to purchase common stock that can be vested and exercised within the next 60 days. (2)Kira Sheinerman is the daughter of Samuil Umansky. (3)Since November 2023, Mr. Anthony has been serving us a financial consultant and immediately following the consummation of this offering, he will step into the role of Chief Financial Officer.

233 DIAMIR’S CERTAIN RELATED PARTY TRANSACTIONS On March 15, 2023, DiamiR issued 2 convertible promissory notes to Samuil R. Umansky and Kira Sheinerman in the approximate amount of $86,826 and $405,189, respectively. Both notes carry an interest of 4% per annum and are due on December 31, 2026. These notes can be converted into the securities of the Company issued in the next equity financing the Company conducts following issuance of the notes and at the lowest price paid for such securities in such financing. Between March 2023 and August 2024, DiamiR amended and restated Kira Sheinerman’s note from time to time, to reflect additional loans during the period. As of February 28, 2025, the total amount outstanding under both founder notes is $844,789, including accrued interest and net of recorded discounts. In April 2025 and June 2025, DiamiR amended the convertible note with Kira Sheinerman, one of its founders and the Executive Director, such that the founder loaned us additional $100,000 and $150,000, respectively. On March 30, 2023, DiamiR entered into an insider stock purchase agreement with Kira Sheinerman, pursuant to which it issued her 14,265shares of its common stock for $100,000. On July 7,