Live feed19:19:13·1554dINSIDERFilingvia QuantisnowSEC Form 4: Reyes Alejandro converted options into 9,501 shares and covered exercise/tax liability with 4,245 shares, increasing direct ownership by 13% to 45,052 units to satisfy withholding taxByQuantisnow·Wall Street's wire, on your screen.HMHC· Houghton Mifflin Harcourt CompanyMiscellaneousOriginal source