Live feed18:28:44·888dINSIDERFilingvia QuantisnowWingrove Theresa exercised 187,667 shares at a strike of $5.13 and sold $5,562,450 worth of shares (187,667 units at $29.64) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.IMGN· ImmunoGen Inc.Health CareOriginal source