Live feed19:06:05·1560dINSIDERFilingvia QuantisnowSEC Form 4: Bayers William Frederick converted options into 12,161 shares and sold $120,232 worth of shares (5,750 units at $20.91), increasing direct ownership by 8% to 85,604 units (for withholding tax)ByQuantisnow·Wall Street's wire, on your screen.HMHC· Houghton Mifflin Harcourt CompanyMiscellaneousOriginal source