Live feed14:44:54·629dINSIDERFilingvia QuantisnowDirector Walker Jerome T. sold $18,510 worth of shares (1,451 units at $12.76), decreasing direct ownership by 3% to 40,360 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.PPIH· Perma-Pipe International Holdings Inc.IndustrialsOriginal source