Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 822

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 822
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6. The table below summarizes activity related to RSUs.

|                                                                 |     | Number of RSU |     |
| Restricted stock units assumed from Kintara upon merger closing |     |               | 114 |
| Vesting of restricted stock units                               |     |               |   — |
| Balance as of December 31, 2024                                 |     |               | 114 |

The remaining RSUs assumed from the Kintara merger will vest on August 1, 2025 and August 1, 2026 and such shares are not accounted for until they vest. F-90

TUHURA BIOSCIENCES, INC AND SUBSIDIARIES Notes to the consolidated financial statements For the years ended December 31, 2024, and 2023 Stock compensation expense Total stock-based compensation expense was allocated as follows:

|                                        |     |   |      2024 |     |   |    2023 |
|:---------------------------------------|:----|:--|----------:|:----|:--|--------:|
| General and administrative             |     | $ |   843,111 |     | $ | 300,986 |
| Research and development               |     |   | 1,115,552 |     |   | 177,904 |
| Total stock-based compensation expense |     | $ | 1,958,663 |     | $ | 478,890 |

Note 14-Commitmentsand contingencies Lease Commitments- The Company leases facilities under non-cancelableoperating leases for the laboratory and offices in Tampa, Florida. The current lease expires in February 2026. Future minimum lease payments under these leases are as follows:

| Year ending December 31, 2025              |     | $ | 172,931 |   |
| Year ending December 31, 2026              |     |   |  43,411 |   |
| Interest portion of right of use liability |     |   | (13,800 | ) |
| Operating lease liabilities                |     | $ | 202,542 |   |

Total lease expense was approximately $163,000 and $126,000 for the years ended December 31, 2024 and 2023, respectively. Cash paid for amounts included in the measurement of lease liabilities was approximately $160,000 and $126,000 for the years ended December 31, 2024 and 2023. For the current lease, the weighted-average