Live feed16:49:00·24dINSIDERFilingvia QuantisnowOfficer Whelan Ronald P bought $19,998 worth of shares (4,444 units at $4.50), increasing direct ownership by 0.95% to 472,941 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SND· Smart Sand Inc.IndustrialsOriginal source
