Live feed18:52:50·1561dINSIDERFilingvia QuantisnowSEC Form 4: Abbott Joseph Patrick Jr. converted options into 30,956 shares and sold $297,382 worth of shares (14,222 units at $20.91), increasing direct ownership by 11% to 169,956 units (tax liability)ByQuantisnow·Wall Street's wire, on your screen.HMHC· Houghton Mifflin Harcourt CompanyMiscellaneousOriginal source