Nguyen Ha Trung acquired additional 4.11% stake in JSC Development Additives and Petroleum Products (HASTC:APP) on August 12, 2015. Nguyen bought 0.16 million shares in Development Additives and Petroleum, raising his stake in Development Additives and Petroleum to 16.62% from 12.51%.

Nguyen Ha Trung completed the acquisition of additional 4.11% stake in JSC Development Additives and Petroleum Products (HASTC:APP) on August 12, 2015.