Live feed18:02:16·1313dINSIDERFilingvia QuantisnowSEC Form 4: Brown David B sold $12,490 worth of shares (1,343 units at $9.30) as part of a pre-agreed trading plan, decreasing direct ownership by 6% to 19,751 unitsByQuantisnow·Wall Street's wire, on your screen.PPIH· Perma-Pipe International Holdings Inc.IndustrialsOriginal source