Live feed20:11:45·787dINSIDERFilingvia QuantisnowCarusona Zach sold $662,508 worth of shares (42,605 units at $15.55), decreasing direct ownership by 21% to 160,929 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SLCA· U.S. Silica Holdings Inc.IndustrialsOriginal source