Company: HURA
Filing Date: 2025-02-07
Form Type: S-4
Source: 0001193125-25-022803
Chunk: 797

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-02-07
Form: S-4
Chunk 797
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,800 warrants for the most recent convertible promissory notes offering (see note 7). The remaining 33,015,300 warrants were issued to Series A, A-1, and B preferred investors. There were 3,587,800 warrants that were exercised in August and September 2024 with proceeds in the amount of $ 1,931,004 . All outstanding warrants entitle the holder thereof to purchase one shares of Company common stock.

Immediately prior to the closing of the Merger, all outstanding shares of Company preferred stock were converted into shares of Company common stock (which were converted into shares of Kintara common stock in the Merger), and upon completion of the merger, all warrants of the Company were converted into warrants to purchase Kintara common s tock.

Note 9—Stock option plans

The Company uses the Black-Scholes option pricing model to estimate the fair value of stock-based awards on the date of grant. The assumptions employed in the calculation of the fair value of share-based compensation expense were calculated as follows for all periods presented:

|                           |     |           2024 |     |         2023 |
| Common stock fair value   |     |          $0.72 |     |        $0.66 |
| Risk free interest rate   |     |    4.1% -4.27% |     | 4.05% -4.89% |
| Expected dividend yield   |     |             0% |     |           0% |
| Expected term             |     |       5.9years |     |     4.9years |
| Expected stock volatility |     | 101.0% -102.0% |     | 91.9% -99.7% |

<div align='center'>F-75</div>

TUHURA BIOSCIENSES, INC AND SUBSIDIARY Notes to the condensed consolidated financial statements For the nine months ended September 30, 2024, and 2023 (Unaudited)

Below is a summary of stock option activity for the period ending September 30, 2024:

|                                   |     | Number ofoptions |            |   |     | WeightedAverageExercise Price |      |     | WeightedAverageContractual Life |
|:----------------------------------|:----|:-----------------|-----------:|:--|:----|:------------------------------|-----:|:----|--------------------------------:|
| Outstanding at December 31