Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 396

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 396
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 (at any time prior to the time the TuHURA Stockholder Approval is obtained) if: all of the following                                                                                                                                       
 have occurred: (i) TuHURA or the Merger Subs have breached or failed to perform any of its representations, warranties, covenants or agreements contained in the Merger Agreement or any of its representations and warranties set forth in the      
 Merger Agreement have become untrue, (ii) such breach or failure of to perform or to be true, would result in the failure of a condition precedent to obligations of the Company described above to be satisfied, in each case, where such breach or 
 failure is incapable of being cured by TuHURA or the Merger Subs by the End Date, (iii) the Company has notified TuHURA of such breach, and (iv) such breach has not been cured prior to the earlier of the End Date or 30 days after receipt        
 of notice; or                                                                                                                                                                                                                                        |

| • |     | by Kineta if, following the satisfaction of all of the other conditions set forth in the Merger Agreement (other                                                                                                                                          
 than those conditions that by their terms are to be satisfied at Closing), TuHURA is incapable of closing the Concurrent Investment before the End Date, provided, however, that TuHURA may, on or prior to June 30, 2025, upon written notice to Kineta, 
 extend the End Date to no later than July 31, 2025, provided that as a condition to making such extension, TuHURA shall advance to Kineta an amount equal to $250,000 to fund Kineta expenses, which amount shall not increase the Loaned Amount.         |

251

Effect of Termination

If the Merger Agreement is terminated in accordance with its terms, all further obligations of the parties under the Merger Agreement will
terminate, and the Merger Agreement will be of no further force or effect and there will be no liability on the part of TuHURA or Kineta, except that certain specified sections of the Merger Agreement, including the provisions relating to
termination fees and Non-Disclosure Agreement, will survive termination. No such termination will relieve any party to the Merger Agreement from any liability or damages for fraud or any willful and material
breach of any representation, warranty, covenant or agreement in the Merger Agreement.

Transaction Expenses and Termination Fees

Transaction Expenses

Except with respect
to certain specified fees (including termination fees), all fees and expenses incurred