Live feed16:07:57·834dINSIDERFilingvia QuantisnowRussell Stacy sold $240,000 worth of shares (20,000 units at $12.00), decreasing direct ownership by 10% to 186,752 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SLCA· U.S. Silica Holdings Inc.IndustrialsOriginal source