Note 5 – Commitments and Contingencies

Executive Employment Agreements

On December 16, 2025, John Climaco resigned from his positions as chief executive officer of the Company and as a member of the Company’s Board of Directors. The Company and Mr. Climaco entered into a Separation and Severance Agreement dated as of December 16, 2025 (the “Separation Agreement”), which memorializes the terms of his resignation and separation from service with the Company. Pursuant to the Separation Agreement, subject to Mr. Climaco’s timely execution, non-revocation, and compliance with the agreement’s terms, the Company is providing severance benefits, including (i) severance equal to twelve months of Mr. Climaco’s current annualized base salary, paid in twelve equal monthly installments, and payment of his base salary through December 31, 2025; (ii) payment of Mr. Climaco’s 2025 cash bonus in the total amount of $319,000, paid in twelve equal monthly installments; and (iii) payment by the Company of the employer portion of premiums for Mr. Climaco’s continued group medical coverage under COBRA for twelve months following the Separation Date.

Reata Agreement

On November 21, 2017, the Company entered into a Collaboration and Asset Purchase Agreement with Reata Pharmaceuticals, Inc. (“Reata”). Through this agreement, the Company purchased all of Reata’s rights, title, interest and previously conducted research and development results in the chemical compound commonly known as Berubicin. In exchange for these rights, the Company agreed to pay Reata an amount equal to 2.25% of the net sales of Berubicin for a period of 10 years from the Company’s first commercial sale of Berubicin plus $10,000. Reata also agreed to collaborate with the Company on the development of Berubicin, from time to time.

Cortice Biosciences, Inc. Exclusive License Agreement

On July 29, 2024, the Company entered into an Exclusive License Agreement (the “Cortice Agreements”) with Cortice Biosciences, Inc. (“Cortice”) pursuant to which Cortice granted the Company an exclusive license to the intellectual property rights related to certain patents around the compound TPI 287 in the United States, Canada, Mexico and Japan. The term of the license will expire, other than due to a breach of the Cortice Agreements, at the end of the royalty term with respect to any licensed product in any of the included territories, which begins upon the first commercial sale in such territory and ends on the latest of (i) ten years after such sale, (ii) the expiration of regulatory or marketing exclusivity for such licensed product in such country, or (iii) the expiration of the last to expire valid patent claim in such country covering such licensed product. Pursuant to the Cortice Agreements, the Company agreed to issue Cortice 956 shares of the Company’s common stock upon the closing of the transaction, which occurred on July 29, 2024, and 73 shares of Company common stock upon the receipt of shareholder approval of such issuance as required by the rules of the Nasdaq Stock Market. The Company also agreed to make milestone payments to Cortice in either cash or shares of Company common stock (at Cortice’s option) upon: (i) meeting the primary endpoint of a pivotal trial for a licensed product – either $15.0 million or 686 shares of Company common stock; (ii) FDA acceptance of a New Drug Application for a licensed product – either $30.0 million or 1,371 shares of Company common stock; (iii) the first commercial sale in the United States of a licensed product – either $45.0 million or 2,056 shares of Company common stock; and (iv) the first commercial sale in Japan of a licensed product – either $10.0 million or 343 shares of Company common stock. The Company’s obligation to pay the above milestones in Company common stock is subject to the receipt of shareholder approval as required by the rules of the Nasdaq Stock Market. The Company also agreed to pay Cortice royalties on sales of licensed products of between 3.0%-7.5%. Finally, to the extent Cortice is required to pay any milestone payments to the original holder of the intellectual property rights licensed, the Company has agreed to make such payments to Cortice. As of June 30, 2026, there were no accruals related to the milestone payments.