Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 0

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 0
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Filed Pursuant to 424(b)(3)
Registration No. 333-284787

MERGER AGREEMENT PROPOSAL – YOUR VOTE IS VERY IMPORTANT Dear TuHURA Biosciences, Inc. Stockholders and Kineta, Inc. Stockholders: On December 11, 2024, TuHURA Biosciences, Inc., a Nevada corporation (“TuHURA”), Hura Merger Sub I, Inc., a Delaware corporation and a direct wholly-owned subsidiary of TuHURA (“Merger Sub I”), Hura Merger Sub II, LLC, a Delaware limited liability company and direct wholly-owned subsidiary of TuHURA (“Merger Sub II,” and together with Merger Sub I, the “Merger Subs”), Kineta, Inc., a Delaware corporation (the “Company” or “Kineta”) and Craig Philips, solely in his capacity as the representative, agent and attorney-in-factof the stockholders of Kineta entered into an agreement and plan of merger, as amended on May 5, 2025 and as may be further amended from time to time (the “Merger Agreement”), pursuant to which TuHURA agreed to acquire the Company in a cash and stock transaction through mergers of affiliates of TuHURA with and into Kineta with Kineta surviving the mergers (the “Mergers”). TuHURA stockholders are cordially invited to attend a special meeting of stockholders of TuHURA to be held on June 23, 2025, virtually via the Internet at https://web.lumiconnect.com/219447558, at 9 a.m., Eastern Time, including any adjournments or postponements thereof (the “TuHURA special meeting”) to consider and vote on a proposal to amend TuHURA’s Articles of Incorporation, as amended, to increase the number of authorized shares of common stock, $0.001 par value per share, of TuHURA (“TuHURA Common Stock”) from 75 million shares to 200 million shares (the “Authorized Share Increase Proposal”) and a proposal (the “Delaware Conversion Proposal”) to approve the reincorporation of TuHURA from Nevada to Delaware (the “Delaware Conversion”). The approval of the Delaware Conversion Proposal is not a condition to the completion of the Mergers, but is being presented to TuHURA stockholders for approval at the TuHURA special meeting. The TuHURA board of directors anticipates that the Delaware Conversion will occur upon