Live feed19:31:40·936dINSIDERFilingvia QuantisnowWingrove Theresa exercised 171,216 shares at a strike of $10.68 and sold $4,873,230 worth of shares (171,216 units at $28.46) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.IMGN· ImmunoGen Inc.Health CareOriginal source