Live feed18:55:14·329dINSIDERFilingvia QuantisnowFormer President & CEO Mansfield David J covered exercise/tax liability with 5,846 shares, decreasing direct ownership by 2% to 271,448 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.PPIH· Perma-Pipe International Holdings Inc.IndustrialsOriginal source