Nguyen Chi Thanh agreed to acquire 10% stake in Resources Investment and Development Joint Stock Company from De Tam Joint Stock Company (HOSE:DTA) on May 4, 2019. Nguyen Chi Thanh will acquire 0.2 million shares of Resources Investment and Development Joint Stock Company. The Board of Directors of De Tam Joint Stock Company approved the transaction. Nguyen Chi Thanh cancelled the acquisition of 10% stake in Resources Investment and Development Joint Stock Company from De Tam Joint Stock Company (HOSE:DTA) on May 4, 2020.