Item 4 — Purpose of Transaction
Item 4 of the Schedule 13D is hereby amended and restated as follows: Prior to the 1-for-200 reverse stock split of the Issuer's common stock that became effective on April 20, 2026 (the "April 2026 Reverse Stock Split"), Huan Liu, Chief Executive Officer, Interim Chief Financial Officer, Director, and Chairman of the Board of Directors of the Issuer, beneficially owned shares of the Issuer's Class A common stock issuable upon conversion of shares of Class B common stock held directly by him and by FAIRVIEW EASTERN INTERNATIONAL HOLDINGS LIMITED, of which the Reporting Person is the sole shareholder. The Reporting Person's prior acquisitions, including the stock awards granted in 2024 and 2025 and the June 15, 2026 private placement, are described in Amendment No. 3 to this Schedule 13D filed on June 17, 2026 and are incorporated herein by reference. Following the April 2026 Reverse Stock Split and the June 15, 2026 private placement, the Reporting Person directly held 200,877 shares of Class B common stock and FAIRVIEW EASTERN INTERNATIONAL HOLDINGS LIMITED held 2,579 shares of Class B common stock. On September 21, 2026, the Issuer effected a 1-for-150 reverse stock split of its Class A common stock and Class B common stock (the "September 2026 Reverse Stock Split"), which became market effective on September 28, 2026. No fractional shares were issued in connection with the September 2026 Reverse Stock Split, and fractional shares were rounded up to the nearest whole share at the participant level. Following the September 2026 Reverse Stock Split and adjustment for the treatment of fractional shares, immediately prior to the transaction described below, the Reporting Person directly held 1,340 shares of Class B common stock and FAIRVIEW EASTERN INTERNATIONAL HOLDINGS LIMITED held 18 shares of Class B common stock. On October 7, 2026, the Issuer entered into a Securities Purchase Agreement (the "Purchase Agreement") with the Reporting Person pursuant to which the Issuer agreed to issue and sell to the Reporting Person 100,000 shares of Class B common stock at a purchase price of $3.30 per share, for an aggregate purchase price of $330,000. The transaction closed on October 9, 2026. The Reporting Person used personal funds and acquired the shares for investment purposes. The information set forth on the cover page of this Amendment is hereby incorporated by reference into this Item 4. Except as set forth in this Item 4, the Reporting Person has no plans or proposals that relate to or would result in any of the matters described in Items 4(a) through 4(j) of Schedule 13D.