Live feed21:43:22·869dINSIDERFilingvia QuantisnowWingrove Theresa converted options into 29,640 shares and sold $352,391 worth of shares (12,027 units at $29.30), increasing direct ownership by 514% to 21,039 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.IMGN· ImmunoGen Inc.Health CareOriginal source