Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 700

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 700
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 thereunder is subject to uncertainty, as there is no legal authority directly addressing such matters. Accordingly, the amount of gain a U.S. Holder recognizes, and the timing and character of such gain, with respect to the Contingent Payment Rights is uncertain and will largely depend upon whether such rights and payments should be viewed for U.S. federal tax purposes as being part of a “closed transaction” or an “open transaction.” Whether contingent payment rights with characteristics similar to the Contingent Payment Rights should be treated as part of a “closed transaction” or an “open transaction” for U.S. federal tax purposes is an inherently factual determination. Pursuant to Treasury Regulations addressing contingent payment obligations analogous to the Contingent Payment Rights, if the fair market value of the Contingent Payment Rights is “reasonably ascertainable,” a U.S. Holder should treat the transaction as a “closed transaction” and include the fair market value of such rights as additional consideration received in the Mergers for purposes of determining gain or loss. On the other hand, if the fair market value of the Contingent Payment Rights cannot be reasonably ascertained, a U.S. Holder should treat the transaction as an “open transaction” for purposes of determining gain or loss. These Treasury Regulations state that only in “rare and extraordinary” cases would the value of contingent payment obligations not be reasonably ascertainable. 467

The installment method for reporting any gain attributable to the receipt of a Contingent
Payment Right generally will not be available with respect to the receipt of the Contingent Payment Right in exchange for Kineta Common Stock pursuant to the Mergers because Kineta Common Stock is traded on an established securities market. However,
if the transaction were treated as an “open transaction,” gain recognition with respect to the Contingent Payment Rights may nevertheless be deferred.

It is possible that either TuHURA or Kineta may be required to take a position for income tax, withholding, and/or information reporting
purposes that the Mergers, including the receipt of the Contingent Payment Rights as part of the Merger Consideration, is either a “closed transaction” or an “open transaction”. Each U.S. holder is urged to consult its tax
advisor regarding the impact, if any, of the position that may be taken by TuHURA or Kineta on such holder’s characterization of the Merger Consideration.

The following sections discuss the possible consequences if the receipt of the Merger Consideration is treated as a “