Live feed16:50:43·1658dINSIDERFilingvia QuantisnowSEC Form 4: Zartler William A bought $66,400 worth of shares (10,000 units at $6.64), increasing direct ownership by 3% to 343,661 unitsByQuantisnow·Wall Street's wire, on your screen.SOI· Solaris Oilfield Infrastructure Inc.IndustrialsOriginal source