Live feed18:50:50·1505dINSIDERFilingvia QuantisnowSEC Form 4: Zartler William A bought $76,930 worth of shares (7,000 units at $10.99), increasing direct ownership by 1% to 551,175 unitsByQuantisnow·Wall Street's wire, on your screen.SOI· Solaris Oilfield Infrastructure Inc.IndustrialsOriginal source