- Name of issuer: Marine supply and engineering service JSC
- Stock code: MAC
- Name of person discharging managerial responsibility /Director: Nguyen Van Cuong
- Position in the listed company: Chair of the Board
- Number of shares held by the shareholder before transaction: 161,622 shares (1.07%)
- Nature of transaction: order matching & negotiation
- Number of shares to be disposed: 160,000 shares
- Reason for transaction: Personal
- Expected Start date of transaction: 12/03/2025
- Expected End date of transaction: 09/04/2025