Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 7

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 7
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 at such time as determined by the TuHURA board of directors. TuHURA will transact no other business at the TuHURA special meeting except such business as may properly be brought before the TuHURA special meeting or any adjournment or postponement thereof. Only holders of record of TuHURA Common Stock at the close of business on May 15, 2025, the record date for voting at the TuHURA special meeting (the “Record Date”) are entitled to notice of and to vote at the TuHURA special meeting and any adjournments or postponements thereof. The TuHURA board of directors has unanimously determined that the Mergers are in the best interests of TuHURA; has approved and declared advisable the Merger Agreement, the Mergers and the issuance of shares of TuHURA Common Stock in connection with the Mergers; and recommends that TuHURA stockholders vote “FOR” each of the proposals outlined above. Your vote is very important, regardless of the number of shares of TuHURA Common Stock you own.The Mergers cannot be completed unless the Authorized Share Increase is approved by TuHURA stockholders. Assuming a quorum is present, the approval of the Authorized Share Increase Proposal requires the affirmative vote of holders of a majority of the total voting shares outstanding. Whether or not you plan to attend the TuHURA special meeting via the TuHURA special meeting website, we urge you to please promptly complete, sign, date and return the accompanying proxy card in the enclosed postage-paid envelope or authorize the individuals named on the accompanying proxy card to vote your shares by calling the toll-free telephone number or by using the Internet as described in the instructions included with the accompanying proxy card. If your shares are held in the name of a bank, broker, trustee or other nominee, please follow the instructions on the voting instruction card furnished by such bank, broker, trustee or other nominee. By Order of the TuHURA Board of Directors, Dr. James Manuso Chairman of the Board Dated: May 23, 2025

Kineta, Inc. 7683 SE 27th Street, Suite 481 Mercer Island, Washington 98040 (203) 378-0400 NOTICE OF SPECIAL MEETING OF STOCKHOLDERS TO BE HELD ON JUNE 23, 2025 To the Stockholders of Kineta, Inc.: On December 11, 2024, TuHURA Biosciences, Inc., a Nevada corporation (“