Item 4 is hereby amended and restated to read as follows. On May 15, 2025, Gamma Trust entered into a securities purchase agreement (the "Purchase Agreement") with the Company, pursuant to which Gamma Trust subscribed for $2,000,000 aggregate amount of (i) warrants (the "Warrants") to purchase shares of common stock of the Company at a purchase price of $2.2000 per Warrant and (ii) pre-funded warrants (the "Unregistered Pre-Funded Warrants") to purchase shares of common stock of the Company at a purchase price of $2.1995 per Unregistered Pre-Funded Warrant. The exercise price per share of common stock under the Warrant is $2.2000. The aggregate exercise price of the Unregistered Pre-Funded Warrants (other than the nominal exercise price of $0.0005 per Unregistered Pre-Funded Warrant) was pre-funded. The exercise of the Unregistered Pre-Funded Warrants is subject to stockholder approval and, upon such approval, such Unregistered Pre-Funded Warrants will be immediately exercisable and will terminate when exercised in full. In connection with the Purchase Agreement, the Reporting Person and the Company entered into a Support Agreement with the Issuer pursuant to which the Reporting Person agreed to vote shares of the Issuer's common stock beneficially owned by him in favor of certain actions subject to Stockholder Approval (as defined in the Purchase Agreement) at any meeting of stockholders of the Issuer and to vote against or decline to consent to any proposal or any other corporate action or agreement that would result in a breach by the Issuer of the Purchase Agreement or impede, delay or otherwise adversely affect the consummation of the transactions contemplated by the Purchase Agreement or any similar agreements entered into by the Issuer and the stockholders a party thereto in connection with the consummation of the transactions contemplated by the Purchase Agreement. The closing of the sales of the Unregistered Warrants under the Purchase Agreement occurred on May 19, 2025. On May 19, 2025, the Gamma Trust exercised 909,297 Unregistered Pre-Funded Warrants for 909,085 shares of the Company's common stock. The foregoing descriptions of the Purchase Agreement, the Unregistered Pre-Funded Warrants, the Warrants and the Support Agreement are not complete but are qualified in their entirety by reference to the full text of the form of the Unregistered Pre-Funded Warrant, Warrant, Purchase Agreement and the Support Agreement, copies of which are attached hereto as Exhibits 99.1, 99.2, 99.3 and 99.4, respectively, and are incorporated by reference herein.