- Stock code: AVS
- Name of person discharging managerial responsibility/Director: Nguyen Thanh Hai
- Position: Director
- Securities type: Common stock
- Number of shares held by the shareholder: 3,750,000 shares
- Number of shares registered for sale: 700,000 shares
- Number of shares disposed: 360,500 shares
- Number of shares registered for acquisition: 700,000 shares
- Number of shares acquired: 41,600 shares
- Total holding following transaction: 3,431,100 shares
- Date of transaction: From 28/3 – 22/5/2012