Live feed13:23:49·915dINSIDERFilingvia QuantisnowBrown David B sold $18,930 worth of shares (2,394 units at $7.91), decreasing direct ownership by 9% to 24,674 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.PPIH· Perma-Pipe International Holdings Inc.IndustrialsOriginal source