Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 695

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 695
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. federal income tax purposes) created or 
 organized in or under the laws of the United States, any state thereof, or the District of Columbia;     |

| • |     | an estate, the income of which is subject to U.S. federal income taxation regardless of its source; or |

| • |     | a trust if either (i) a court within the United States is able to exercise primary supervision over the                                                                                                                                     
 administration of such trust and one or more United States persons (within the meaning of Section 7701(a)(30) of the Code) are authorized or have the authority to control all substantial decisions of such trust, or (ii) the trust has a 
 valid election in effect under applicable Treasury Regulations to be treated as a United States person for U.S. federal income tax purposes.                                                                                                |

If an entity treated as a partnership for U.S. federal income tax purposes holds Kineta Common Stock, the tax treatment of a partner in the partnership will depend on the status of the partner, the activities of the partnership and certain determinations made at the partner level. If you are a partnership or a partner of a partnership holding Kineta Common Stock or any other person excluded from this discussion, you should consult your tax advisor regarding the tax consequences of the Mergers. This discussion does not purport to be a complete analysis of all potential tax consequences of the Mergers. In addition, the following discussion does not address (i) any U.S. federal non-incometax consequences of the Mergers, including estate, gift or other tax consequences, (ii) any state, local or non-U.S.tax consequences of the Mergers, (iii) the Medicare contribution tax on net investment income or the alternative minimum tax, (iv) the tax consequences of transactions effectuated before, after or at the same time as the Mergers (whether or not they are in connection with the Mergers), including, without limitation, transactions in which Kineta Common Stock is acquired, and (v) the tax consequences to holders of options, warrants or similar rights to acquire Kineta Common Stock. IN LIGHT OF THE FOREGOING, HOLDERS OF KINETA COMMON STOCK SHOULD CONSULT THEIR OWN TAX ADVISORS REGARDING THE TAX CONSEQUENCES TO THEM OF THE MERGERS, INCLUDING THE APPLICABLE U.S. FEDERAL, STATE, LOCAL AND NON-U.S.INCOME AND OTHER TAX CONSEQUENCES, AND ANY TAX REPORTING REQUIREMENTS OF THE MERGERS