Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 436

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 436
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 maintenance fee not in excess of $50,000 per year until annual minimum royalty payments commence following commercial sales of licensed products. Also under the 2019 Moffit Agreement, TuHURA is required to make the following additional payments:

| • |     | Various milestone royalty payments based on specified development, approval, commercialization, and sales                                                                                                                  
 milestones, which payments range from $150,000 to $400,000 for milestones relating to the commencement of clinical trials up to $3.0 million to $5.0 million based on sales thresholds in excess of $1.0 billion in sales; |

| • |     | Running royalties based on net sales of licensed products with a royalty percentage in the middle-single digit 
 and with escalating minimum annual royalties that do not exceed $0.5 million per year; and                     |

| • |     | Payment of all patent prosecution and maintenance costs and fees for the licensed patents. |

The term of the 2019 Moffitt Agreement will be until the later of (i) the date on which the last of the licensed patents expire, or (ii) twenty (20) years after the date of the 2019 Moffitt Agreement. TuHURA may unilaterally terminate the 2019 Moffitt Agreement at any time on six (6) months’ notice to Moffitt, provided that all payments due by TuHURA at that time have been made through the effective date of termination. Additionally, TuHURA may terminate the agreement with written notice to Moffitt in the event Moffitt commits a material breach and such breach is not cured within sixty (60) days following Moffitt’s receipt of such notice. Moffitt has the right to terminate, or convert all exclusive licenses to nonexclusive licenses in the event TuHURA: (x) fails to make payments due under the agreement within thirty (30) days following notice from Moffitt; (y) commits a material breach that is not cured, or capable of being cured, within sixty (60) days after receipt of notice from Moffitt; (z) or challenges the validity of any of the 2019 Moffitt Licensed Patents before a court or other administrative agency in any jurisdiction. Upon any termination prior to the expiration of the agreement for any reason, all licenses and rights granted pursuant to the agreement will automatically terminate. At the request of Moffitt, TuHURA is obligated to provide all materials, clinical results, regulatory submissions, registrations and any other related filings for the 2019 Moffitt Licensed