- Name of issuer: Big Invest Group Joint Stock Company
- Stock code: BIG
- Securities type: common stock
- Name of principal shareholder: Tran Sinh Vuong
- Number of shares held by the principal shareholder before transaction: 2,763,194 shares (17.28%)
- Number of shares disposed: 67,200 shares
- Total holding following transaction and total percentage following transaction: 2,695,994 shares (16.86%)
- Purpose of transaction: Sell shares
- Date of transaction: 30/08/2025.