Live feed16:33:23·1014dINSIDERFilingvia QuantisnowSEC Form 4: Shinn Bryan Adair sold $583,338 worth of shares (41,501 units at $14.06), decreasing direct ownership by 3% to 1,419,183 unitsByQuantisnow·Wall Street's wire, on your screen.SLCA· U.S. Silica Holdings Inc.IndustrialsOriginal source