Form 4 Filing for William Tu

William Tu, SVP, Corporate Controller at Glass House Brands Inc., reported several transactions. On September 1, 2026, 5,800 Restricted Stock Units (RSUs) vested, which were acquired on September 1, 2024. These RSUs were settled with 5,800 Equity Shares. Subsequently, on the same day, 5,800 Equity Shares were acquired, and 2,017 Equity Shares were disposed of at $9.00 per share to cover tax obligations. On September 11, 2026, an additional 3,818 Equity Shares were sold at $8.03 per share, representing the remaining shares from the vested RSUs after some were sold on June 3, 2026, to cover tax withholding obligations. Following these transactions, Tu holds 3,783 Equity Shares directly.