Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 528

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 528
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 of shares (which may be zero) as our board of directors may determine. The number of shares     
 available for future issuance under the 2024 Plan increased by 2,116,187 as of January 1, 2025, due to the effect of this evergreen provision                                                                                                           |

339

CERTAIN TUHURA RELATIONSHIPS AND RELATED PARTY TRANSACTIONS In addition to the compensation arrangements, including employment, termination of employment and change in control arrangements, with TuHURA’s directors and executive officers, including those discussed in the section titled “TuHURA Executive Compensation,” in this joint proxy statement/prospectus, the following is a description of each transaction involving TuHURA since January 1, 2023 and each currently proposed transaction in which:

| • |     | TuHURA has been or is to be a participant; |

| • |     | the amounts involved exceeded or will exceed the lesser of $120,000 and 1% of the average of TuHURA’s total 
 assets at year-end for the last two completed fiscal years, as applicable; and                              |

| • |     | any of TuHURA’s directors, executive officers or holders of more than 5% of TuHURA’s capital stock, or                     
 an affiliate or immediate family member of the foregoing persons, had or will have a direct or indirect material interest. |

Warrant Exercise Promissory Notes On February 12, 2025, KP Biotech Group, LLC and CA Patel F&F Investments, LLC (the “Makers”), holders of more than 5% of TuHURA’s capital stock and holder of certain common stock purchase warrants (the “Common Stock Warrants”), made and issued to TuHURA secured promissory notes (the “Warrant Exercise Promissory Notes”) in the aggregate principal amount of $1,301,445.12 per note as payment of the exercise price of a 447,232 Warrants held by each Maker. TuHURA issued to each Maker 447,232 shares of its common stock in connection with the Warrant Exercise Promissory Notes. The Warrant Exercise Promissory Notes bear interest at a rate of 12% per annum, simple interest, and all interest and principal under the Warrant Exercise Promissory Notes are due and payable on or before May 30, 2025 (the “Maturity Date”). The Warrant Exercise Promissory Notes are secured by the shares of TuHURA Common