Hong Ngan Joint Stock Company acquired additional 1.67% stake in Petrovietnam Securities Incorporated (HASTC:PSI) from Pham Uyen Nguyen on May 18, 2015. Under the terms of the acquisition Pham Uyen Nguyen sold 1 million shares. After the transaction Pham hold 4.65%.

Hong Ngan Joint Stock Company completed the acquisition of additional 1.67% stake in Petrovietnam Securities Incorporated (HASTC:PSI) from Pham Uyen Nguyen on May 18, 2015.