Live feed19:04:29·29mINSIDERFilingvia QuantisnowOfficer Young James Douglas sold $136,842 worth of shares (27,970 units at $4.89), decreasing direct ownership by 8% to 344,958 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SND· Smart Sand Inc.IndustrialsOriginal source