Live feed16:43:36·57dINSIDERFilingvia QuantisnowDirector Porcelli Francis Michael sold $1,006,000 worth of shares (250,000 units at $4.02), decreasing direct ownership by 22% to 869,060 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SND· Smart Sand Inc.IndustrialsOriginal source