- Name of issuer: Ha Dong Environment Public Service Joint Stock Company
- Stock code: MTH
- Securities type: Common stock
- Name of person discharging managerial responsibility /Director: Tran Anh Tuan
- Position in the listed company: Chief of Supervisory Board
- Number of shares held by the shareholder before transaction: 4,500 shares (0.09%)
- Number of shares registered for sale: 3,000 shares
- Number of shares disposed: 3,000 shares
- Total holding following transaction: 1,500 shares
- Total percentage holding following transaction: 0.03%
- Start date of transaction: 13/10/2025
- End date of transaction: 11/11/2025