Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 684

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 684
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 determining the voting stock outstanding, shares owned by persons who are directors and 
 also officers, and employee stock plans, in some instances, but not the outstanding voting stock owned by the interested stockholder; or                                                                                                              |

| • |     | at or after the time the stockholder became interested, the business combination was approved by the Kineta Board                                                                                             
 of Directors and authorized at an annual or special meeting of the stockholders by the affirmative vote of at least 66 2/3% of the outstanding voting stock which is not owned by the interested stockholder. |

Section 203 defines a business combination to include:

| • |     | any merger or consolidation involving the corporation and the interested stockholder; |

| • |     | any sale, transfer, lease, pledge or other disposition involving the interested stockholder of 10% or more of the 
 assets of the corporation;                                                                                        |

| • |     | subject to exceptions, any transaction that results in the issuance or transfer by the corporation of any stock 
 of the corporation to the interested stockholder;                                                               |

| • |     | subject to exceptions, any transaction involving the corporation that has the effect of increasing the                          
 proportionate share of the stock of any class or series of the corporation beneficially owned by the interested stockholder; or |

| • |     | the receipt by the interested stockholder of the benefit of any loans, advances, guarantees, pledges or other 
 financial benefits provided by or through the corporation.                                                    |

In general, Section 203 defines an interested stockholder as any entity or person beneficially owning 15% or more of the outstanding voting stock of the corporation and any entity or person affiliated with or controlling or controlled by the entity or person. 457

Provisions of Kineta’s Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws

Kineta’s amended and restated certificate of incorporation and amended and restated bylaws include a number of
provisions that may have the effect of delaying, deferring or discouraging another party from acquiring control of Kineta and encouraging persons considering unsolicited tender offers or other unilateral takeover proposals to negotiate with the
Kineta Board of Directors rather than pursue non-negotiated takeover attempts. These provisions include the items described below.

Board composition and filling vacancies

In accordance with Kineta’s amended and restated certificate of incorporation, the Kineta Board of Directors is divided into three classes
serving staggered three-year terms, with one class being elected each year