Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 376

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 376
---
 environmental matters; |

| • |     | tax matters; |

| • |     | material contracts, including the validity and effectiveness of those contracts and the absence of material 
 breaches of or defaults under those contracts;                                                              |

| • |     | insurance; |

| • |     | title to tangible personal property and leasehold interests in leased properties; |

| • |     | intellectual property; |

| • |     | anti-takeover statutes and regulations and absence of a stockholder rights plan; |

| • |     | absence of related person transactions. |

| • |     | compliance with the Foreign Corrupt Practices Act and laws related to export controls and economic sanctions; |

| • |     | compliance with health care laws; and |

| • |     | data privacy and security; |

The customary representations and warranties made solely by TuHURA and Merger Subs relate to the following subject matters, among other things:

| • |     | capitalization and absence of prior operations of Merger Subs; and |

| • |     | TuHURA having sufficient funds available to consummate the Mergers (assuming receipt of the Concurrent 
 Investment).                                                                                           |

Several of the representations, warranties, closing conditions and termination provisions contained in the Merger Agreement are qualified by or refer to the concept of a material adverse effect. For purposes of the 237

Merger Agreement, a “Material Adverse Effect” on Kineta means any event, change, circumstance, occurrence or effect that would, individually or in the aggregate, have a material adverse
effect (A) on the assets (taken as a whole), business, financial condition or results of operations of the Company and its subsidiaries, taken as a whole, other than any event, change, circumstance, occurrence or effect arising out of,
attributable to or resulting from, alone or in combination:

(1) changes in general economic, financial market, business or geopolitical
conditions;

(2) general changes or developments in any of the industries in which the Company or its subsidiaries operate;

(3) any epidemic, pandemic, disease outbreak or other public health-related event, natural disasters (including, but not limited to,
earthquakes, hurricanes, tsunamis, tornadoes, floods, mudslides, wildfires, changes in weather),or calamities and other force majeure events;

(4) changes in any applicable laws or applicable accounting regulations or principles or interpretations thereof;

(5) any change in the price or trading volume of the