Item 4 is hereby amended and restated to read as follows. On August 19, 2025, Gamma Trust entered into a securities purchase agreement (the "Purchase Agreement") with the Company, pursuant to which Gamma Trust subscribed for $1,000,000 aggregate amount of (i) pre-funded warrants (the "Unregistered Pre-Funded Warrants") to purchase shares of common stock of the Company at a purchase price of $1.75 per Unregistered Pre-Funded Warrant and (ii) warrants (the "Warrants") to purchase shares of common stock of the Company with an exercise price of $2.21 per share of common stock. 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 Warrants are exercisable at any time on or after the date that is six months and one day following the date of issuance for a period of five years from the date of initial exercisability. 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 Support 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. Furthermore, in connection with the transactions described above, on August 19, 2025, Gamma Trust entered into a registration rights agreement (the "Registration Rights Agreement") with the Company, which provides that the Company is required to file a registration statement covering the resale of certain Registrable Securities (as defined in the Registration Rights Agreement). The closing of the sales of the Unregistered Pre-funded Warrants and Warrants under the Purchase Agreement occurred on August 19, 2025. The foregoing descriptions of the Unregistered Pre-Funded Warrant, Warrant, Purchase Agreement, Support Agreement and Registration Rights 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, Support Agreement and Registration Rights Agreement, copies of which are attached hereto as Exhibits 99.1, 99.2, 99.3, 99.4 and 99.5, respectively, and are incorporated by reference herein.