William Greehey, Director, Ten Percent Owner at NuStar GP Holdings, holds 10.04M shares in Nustar Energy (Ticker: NS), holds 0.00 shares in NuStar GP Holdings (Ticker: ~NSH), holds 1.02M shares in Valero Energy (Ticker: VLO). Most recently, William Greehey Bought ― shares of Nustar Energy on Aug 22, 2022 for an estimated value of 1.74M.