- Name of principal shareholder: Nguyen Ngoc Kieu Trang
- Name of issuer: Song Da No. 19 JSC
- Stock code: SJM
- Number of shares held by the principal shareholder before transaction: 357,700 shares (7.15%)
- Number of shares acquired: 51,000 shares
- Total holding following transaction and total percentage following transaction: 408,700 shares (8.17%)
- Date of transaction: 13/06/2023
- Purpose of transaction: Raising shareholding