Live feed17:27:37·333dINSIDERFilingvia QuantisnowPresident & CEO Mansfield David J covered exercise/tax liability with 9,181 shares, decreasing direct ownership by 3% to 277,294 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.PPIH· Perma-Pipe International Holdings Inc.IndustrialsOriginal source