Company: APM
Filing Date: 2025-11-17
Form Type: F-1
Source: 0001213900-25-111548
Chunk: 404

Company: Aptorum Group Ltd
Filing Date: 2025-11-17
Form: F-1
Chunk 404
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 collectability is probable.

The Company’s deferred revenue represents amounts invoiced in excess of revenue earned and relates to fees for the Company’s laboratory testing services. The deferred revenue is expected to be recognized as revenue within a year, as samples are tested in accordance with customer specifications. There is no variable consideration. Customer acquisition costs are not significant.

Contract assets and deferred revenues related to contracts with customers consist of the following as of May 31, 2025 and May 31, 2024:

| May 31, 2023               |     | Contract assets 
 Contract        
 costs           | — |     | Unbilled 
 revenue  | — |     | Contract liability 
 Total              | — |     | Deferred 
 revenue  |      — |
|:---------------------------|:----|:----------------|:--|:----|:---------|:--|:----|:-------------------|:--|:----|:---------|-------:|
| Net change due to billings |     |                 | — |     |          | — |     |                    | — |     |          |      — |
| Revenue recognized         |     |                 | — |     |          | — |     |                    | — |     |          |      — |
| May 31, 2024               |     |                 | — |     |          | — |     |                    | — |     |          |      — |
| Net change due to billings |     |                 | — |     |          | — |     |                    | — |     |          | 43,982 |
| Revenue recognized         |     |                 | — |     |          | — |     |                    | — |     |          |      — |
| May 31, 2025               |     | $               | — |     | $        | — |     | $                  | — |     | $        | 43,982 |

F-12 DIAMIR BIOSCIENCES CORP.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS NOTE 3 — SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES(cont.) Other revenue In the year ended May 31, 2025, the Company’s other revenue consists of nonrecurring fees earned under a material transfer agreement with a non-customer. The Company recognized other revenue upon shipment of the subject materials. Accounting for Derivative Financial Instruments The Company evaluates stock options, stock warrants or other contracts to determine if those contracts or embedded components