Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 981

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 981
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     |                                |
| By:                                                   |     | /s/ James Bianco               |
|                                                       |     | Name: James Bianco, M.D.       |
|                                                       |     | Title: President               |
| HURA MERGER SUB II, LLC                               |     |                                |
| By:                                                   |     | /s/ James Bianco               |
|                                                       |     | Name: James Bianco, M.D.       |
|                                                       |     | Title: President               |
| KINETA, INC.                                          |     |                                |
| By:                                                   |     | /s/ Craig Philips              |
|                                                       |     | Name: Craig Philips            |
|                                                       |     | Title: President               |
| CRAIG PHILIPS,                                        |     |                                |
| solely in his capacity as Stockholders Representative |     |                                |
| /s/ Craig Philips                                     |     |                                |

[S IGNATUREP AGE TOA GREEMENT ANDP LAN OFM ERGER] A-64

EXHIBIT A-1

FORM OF COMPANY SUPPORT AGREEMENT

(See Attached)

A-65

EXHIBIT A-2

FORM OF PARENT SUPPORT AGREEMENT

(See Attached)

A-66

EXHIBIT B

FORM OF LOCK-UPAGREEMENT

(See Attached)

A-67

INDEX OF DEFINED TERMS

| Definition                             |     |    Location |
| 2023 Company Warrants                  |     |      8.4(a) |
| Accounting Firm                        |     |      2.4(f) |
| Acquisition Proposal                   |     |   5.4(f)(i) |
| Action                                 |     |      3.8(a) |
| Adverse Recommendation Change          |     |      5.4(c) |
| Affiliate                              |     |      8.4(b) |
| Affordable Care Act                    |     |     3.10(a) |
| Agreement                              |     |    Preamble |
| Authorized Share Increase              |     |      5.7(e) |
| Book-Entry Shares                      |     |      2.6(b) |
| Business Day                           |     |      8.4(c) |
| Business System(s)                     |     |      8.4(d) |
| Cash and Cash Equivalents              |     |      8.4(e) |
| Certificate of Merger                  |     |         1