Live feed16:22:12·862dINSIDERFilingvia QuantisnowRussell Stacy was granted 35,527 shares and covered exercise/tax liability with 8,657 shares, increasing direct ownership by 18% to 176,382 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SLCA· U.S. Silica Holdings Inc.IndustrialsOriginal source