Company: HURA
Filing Date: 2025-10-31
Form Type: 424B3
Source: 0001193125-25-260933
Chunk: 11

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-10-31
Form: 424B3
Chunk 11
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:

All of Borrower’s right, title, and interest in and to the following United States patents identified onExhibit Bhereto.

Borrower hereby represents, warrants, and covenants that the security interest granted herein is and shall at all times continue to be a valid, first priority perfected security interest in the Collateral. Lender’s security interest in the Collateral shall continue until the Obligations (other than contingent obligations of Borrower hereunder that will survive payment in full of the Obligations and termination of this Note by express terms) are repaid in full. Upon payment in full of all amounts due under this Note, this Note and all obligations of Borrower hereunder (other than contingent obligations of Borrower hereunder that will survive payment in full of the Obligations and termination of this Note by express terms) shall automatically terminate, and all

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rights to the Collateral shall revert to the granting party and Lender shall, at Borrower’s sole cost and expense, release its security interest in the Collateral and/or authorize Borrower to file termination statement(s) reflecting the same.

#### 7.
Authorization to File Financing Statements . Borrower hereby authorizes Lender to file financing statements or take any other action required to memorialize or perfect Lender’s security interest in the Collateral at Lender’s expense, with prior notice to Borrower, with all appropriate jurisdictions to perfect or protect Lender’s interest or rights under this Note with respect to the Collateral.

#### 8.
Definitions . As used in this Note, the following capitalized terms have the following meanings:

“Affiliate” of any Person shall mean any other Person which, directly or indirectly, Controls, is Controlled by or is under common Control with such Person. “Control” (and its correlatives) by any Person means the power of such Person, directly or indirectly, (i) to vote 10% or more of the Voting Securities (determined on a fully diluted basis) of another Person, or (ii) to direct or cause the direction of the management and policies of such other Person (whether by contract or otherwise).

“Applicable Rate” shall mean the rate equal to three percent (3.0%) per month, with a “month” for this purpose being each period of thirty (30) consecutive calendar days beginning on the date of this Note.

“Availability Period” shall have the meaning given inSection 1(a)hereof.

“Borrower” shall have the meaning