- Name of issuer: Railway Construction Corporation Joint Stock Company
- Stock code: RCC
- Securities type: Common stock
- Name of connected person: Nguyen Thuy Linh
- Name of person discharging managerial responsibility (PDMR)/Director: Ta Huu Dien
- Position in the listed company: Vice chairman of the BOD
- Number and percentage of shares currently held by insiders (if any): 1,279,825 shares
- Relation between connected person and PDMR/Director: daughter in law
- Name of person discharging managerial responsibility (PDMR)/Director: Ta Thanh Tung
- Position in the listed company: Person in charge of Corporate governance
- Number of shares held by person discharging managerial responsibility (PDMR)/Director: 0 shares (0%)
- Relation between connected person and PDMR/Director: spouse
- Number of shares held by connected person/institution before transaction: 440,239 shares
- Number of shares to be disposed: 440,239 shares
- Number of shares held by connected person/institution after transaction: 440,239 shares
- Transaction period: From 20/08/2025 to 16/09/2025
- Reason for incomplete transaction (in case of not fully executing the registered quantity): Unfavorable market conditions