Live feed16:25:42·959dINSIDERFilingvia QuantisnowWingrove Theresa exercised 192,004 shares at a strike of $4.55 and sold $2,764,858 worth of shares (192,004 units at $14.40) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.IMGN· ImmunoGen Inc.Health CareOriginal source