Live feed18:02:20·1532dINSIDERFilingvia QuantisnowSEC Form 4: Lynch John J Jr returned 579,569 shares to the company, closing all direct ownership in the company to satisfy withholding taxByQuantisnow·Wall Street's wire, on your screen.HMHC· Houghton Mifflin Harcourt CompanyMiscellaneousOriginal source