Item 4 — Purpose of Transaction
On May 28, 2026 (the "Closing Date"), the Issuer and TCSI entered into a Stock Exchange and Stockholder Agreement (the "TCSI Exchange Agreement"), pursuant to which the Issuer reacquired 1,364,141 shares of Series A Preferred Stock from TCSI (the "Reacquisition"). Under the TCSI Exchange Agreement, the Issuer agreed to issue 467,012 shares of Series C Convertible Preferred Stock to TCSI on the date that is 18 months after the Closing Date, or earlier in connection with a change of control of the Issuer (which, as defined in the TCSI Exchange Agreement, includes the appointment of the Reporting Person to the Issuer's board of directors). The above description of the TCSI Exchange Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the agreement, which is filed as an exhibit hereto and incorporated herein by reference. The Reporting Person holds the securities of the Issuer for general investment purposes. The Reporting Person intends to evaluate his holdings in the Issuer on a continuous basis. Subject to all relevant securities law provisions, the Reporting Person may acquire or dispose of securities of the Issuer from time to time in the open market or in privately negotiated transactions with third parties. Subject to the foregoing, the Reporting Person does not have any plans that would result in: (a) the acquisition by any person of additional securities of the Issuer, or the disposition of securities of the Issuer; (b) an extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the Issuer or any of its subsidiaries; (c) a sale or transfer of a material amount of assets of the Issuer or any of its subsidiaries; (d) any change in the present board of directors or management of the Issuer, including any plans or proposals to change the number or term of directors or to fill any existing vacancies on the board; (e) any material changes in the present capitalization or dividend policy of the Issuer; (f) any other material changes in the Issuer's business or corporate structure; (g) changes in the Issuer's charter, bylaws or instruments corresponding thereto or other actions which may impede the acquisition of control of the Issuer by any person; (h) causing a class of securities of the Issuer to be delisted from a national securities exchange or to cease to be authorized to be quoted in an inter-dealer quotation system of a registered national securities association; (i) a class of equity securities of the Issuer becoming eligible for termination of registration pursuant to Section 12(g)(4) of the Act; or (j) any action similar to any of those enumerated above. Except as set forth above, the Reporting Person has no present plans or intentions which would result in or relate to any of the transactions described in subparagraphs (a) through (j) of Item 4 of Schedule 13D.