An unknown buyer acquired 6.5% stake in Vexilla Viet Nam Group Joint Stock Company (HNX:SVN) from Dau Thi Phich on April 1, 2021. An unknown buyer completed the acquisition of 6.5% stake in Vexilla Viet Nam Group Joint Stock Company (HNX:SVN) from Dau Thi Phich on April 1, 2021.