Company: HURA
Filing Date: 2025-05-06
Form Type: S-4/A
Source: 0001193125-25-113920
Chunk: 844

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-06
Form: S-4/A
Chunk 844
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ized to interest expense                                                         |     |               |  1,278,424 |   |
| Reclassified to additionalpaid-incapital upon conversion of convertible notes payable |     |               |  9,236,793 |   |
| Balance as of December 31, 2024                                                       |     | $             |          — |   |

F-85

TUHURA BIOSCIENCES, INC AND SUBSIDIARIES Notes to the consolidated financial statements For the years ended December 31, 2024, and 2023

Note 11-Incometaxes

Income taxes are provided for the tax effects of transactions reported in the financial statements and consist of taxes currently due. Deferred taxes relate to differences between the basis of assets and liabilities for financial and income tax reporting which will be either taxable or deductible when the assets or liabilities are recovered or settled.

The components of the provision for income taxes are as follows:

|                                  |     | 2024 |       |     | 2023 |   |
| Current provision                |     |      |       |     |      |   |
| Federal                          |     |      |     — |     |      | — |
| State                            |     |      | 3,768 |     |      | — |
| Total current provision          |     |      | 3,768 |     |      | — |
| Deferred provision               |     |      |       |     |      |   |
| Federal                          |     |      |     — |     |      | — |
| State                            |     |      |     — |     |      | — |
| Total current provision          |     |      |     — |     |      | — |
| Total provision for income taxes |     |      | 3,768 |     |      | — |

For the years ended December 31, 2024 and 2023, the loss before income taxes was $ 21.7million and $ 29.3million, respectively. The Company had an effective tax rate of - 0.02%and 0.00% for the years ended December 31, 2024 and 2023, respectively. The reconciliation of the statutory federal income tax rate to the Company’s effective tax rate for the years ended December 31, 2024 and 2023 were as follows

|                                                    |     | 2024 |        |   |     | 2023 |        |   |
|