Live feed07:56:42·205dINSIDERFilingvia QuantisnowOfficer Whelan Ronald P bought $22,385 worth of shares (7,658 units at $2.92), increasing direct ownership by 2% to 457,266 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SND· Smart Sand Inc.IndustrialsOriginal source