Mr. Dang Thanh Duy, a prominent figure in the Vietnamese business landscape, has strengthened his position in Vinasun (HOSE: VNS), a leading transportation company. Through a recent acquisition of 500,000 shares, Mr. Duy, who serves as a member of the Board of Directors and the CEO of Vinasun, has increased his stake in the company. This strategic move elevates his ownership stake from 4.99% to 5.73%, translating to nearly 3.9 million shares.