Live feed19:02:09·1553dINSIDERFilingvia QuantisnowSEC Form 4: Bayers William Frederick converted options into 17,419 shares and covered exercise/tax liability with 7,783 shares, increasing direct ownership by 9% to 115,553 units (for withholding tax)ByQuantisnow·Wall Street's wire, on your screen.HMHC· Houghton Mifflin Harcourt CompanyMiscellaneousOriginal source
