Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 380

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 380
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 an annual renewal                                                                                                                   
 of an existing lease in the ordinary course of business consistent with practice which does not result, individually or in the aggregate, in an increase in annual expenditures of the Company by an amount greater than $100,000; |

| • |     | convene any regular or special meeting (or any adjournment or postponement thereof) of the stockholders of the                                                                                                                                    
 Company other than, to the extent required by an order of a court of competent jurisdiction, an annual meeting of stockholders for purposes of election of directors, ratification of the Company’s auditors and other routine matters; provided, 
 that the Company shall use its commercially reasonable efforts to oppose any stockholder proposal presented at any such meeting, in any case not in contravention of directors’ fiduciary duties under applicable law;                            |

| • |     | except in connection with certain actions permitted by Section 5.4 of the Merger Agreement, take any action                                                                                                                                             
 to exempt any Person from, or make any acquisition of securities of the Company by any Person not subject to, any state takeover statute or similar statute or regulation that applies to Company with respect to an Acquisition Proposal or otherwise, 
 including the restrictions on “business combinations” set forth in Section 203 of the DGCL, except for TuHURA, Merger Subs or any of their respective subsidiaries or affiliates, or the transactions contemplated by the Merger                        
 Agreement;                                                                                                                                                                                                                                              |

| • |     | commit any breach or material default under the covenants set forth in Article 5 of the CTF Agreement; or |

| • |     | agree to take any of the foregoing actions. |

TuHURA and Merger Subs Interim Operating Covenants TuHURA and the Merger Subs have agreed to not, directly or indirectly, and not permit any of their respective subsidiaries to, take, or agree or commit to take, any willful action or willfully refrain from taking any action, which would reasonably be expected to, individually or in the aggregate, prevent, materially delay or materially impede the consummation of the Mergers or the other transactions contemplated by the Merger Agreement during the Pre-ClosingPeriod. No Control of Other Party’s Business Nothing contained in the Merger Agreement shall give TuHURA, directly or indirectly, the right to control or direct the Company’s or its subsidiaries’ operations prior to the Effective Time, and nothing contained in the Merger Agreement shall give the Company, directly or