Live feed10:57:04·1404dINSIDERFilingvia QuantisnowSEC Form 4: Walker Jerome T. sold $12,074 worth of shares (1,343 units at $8.99) as part of a pre-agreed trading plan, decreasing direct ownership by 6% to 22,517 unitsByQuantisnow·Wall Street's wire, on your screen.PPIH· Perma-Pipe International Holdings Inc.IndustrialsOriginal source