Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 17

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 17
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 issued, fully paid and non-assessable shares of TuHURA Common Stock (rounded down to the nearest whole share subject to the payment of any cash in lieu of fractional shares as set forth herein) equal to (i) the Initial Per Share 
 Stock Consideration plus (ii) the Delayed Per Share Stock Consideration and (y) plus an amount in cash equal to (i) the Per Share Cash Consideration plus (ii) the Disposed Asset Payment Right;                                                                                                |

6

| • |     | “Merger Subs” refers to Hura Merger Sub I, a Delaware corporation and a wholly-owned subsidiary                 
 of TuHURA and Hura Merger Sub II, a Delaware limited liability company and a wholly-owned subsidiary of TuHURA; |

| • |     | “Nasdaq” refers to The Nasdaq Capital Market; |

| • |     | “Net Working Capital Amount” (which can be positive or negative) refers to the difference of                                                                                                                                                      
 (A) Closing Cash and Cash Equivalents, plus (B) the $322,993.56 in prepaid expenses incurred in connection with Master Services Agreement, dated January 17, 2023, by and between the Company and PPD Development, L.P., as supplemented          
 by that certain Project Addendum, dated February 8, 2023, by and between the Company and PPD Development, L.P., minus (C) Closing Liabilities and Debt, minus (D) Unpaid Company Transaction Expenses, in each case determined as of 12:01        
 a.m. Eastern Time on the Closing Date in accordance with U.S. GAAP and using the policies, conventions, methodologies and procedures used by the Company in preparing the Company’s unaudited financial statements (to the extent consistent with 
 U.S. GAAP);                                                                                                                                                                                                                                       |

| • |     | “Nevada Articles of Conversion” refers to the TuHURA articles of conversion filed with the        
 Nevada Secretary of State to effectuate the Delaware Conversion, in the form attached as Annex E; |

| • |     | “Nevada Secretary of State” refers to the Secretary of State of the State of Nevada; |

| • |     | “NRS” refers to the Nevada Revised Statutes of the State of Nevada, as amended; |

| • |     | “Optionholder Treatment Agreement” refers to an agreement to be entered into by Kineta and each                                                                      
 holder of In-the-Money Company Stock Options