- Name of issuer: Song Da Mechanical - Assembling Joint Stock Company
- Stock code: MEC
- Securities type: Common stock
- Name of person discharging managerial responsibility /Director: Trinh Quoc Khanh
- Position in the listed company: Chief of the Supervisory Board
- Number of shares held by the shareholder before transaction: 436,100 shares (5.22%)
- Number of shares registered for sale: 436,100 shares
- Number of shares disposed: 340,100 shares
- Total holding following transaction: 96,000 shares
- Total percentage holding following transaction: 1.15%
- Reason for not completing transaction: the price did not meet expectation
- Start date of transaction: 17/04/2025
- End date of transaction: 16/05/2025