Close

Form SC 13G Houghton Mifflin Harcour Filed by: VANGUARD GROUP INC Feb 10, 2022 08:22AM
Form SC 13G/A Houghton Mifflin Harcour Filed by: VANGUARD GROUP INC Feb 10, 2021 11:03AM
Form SC 13G/A Houghton Mifflin Harcour Filed by: VANGUARD GROUP INC Feb 12, 2020 11:02AM
Form SC 13G/A Houghton Mifflin Harcour Filed by: VANGUARD GROUP INC Feb 12, 2019 11:03AM
Form SC 13G/A Houghton Mifflin Harcour Filed by: VANGUARD GROUP INC Feb 9, 2018 08:48AM


Feb 13, 2017 10:44AM Form SC 13G/A Houghton Mifflin Harcour Filed by: VANGUARD GROUP INC
Feb 11, 2016 01:05PM Form SC 13G Houghton Mifflin Harcour Filed by: VANGUARD GROUP INC
Feb 25, 2015 02:49PM Trading Radar for 2/26: Herbalife (HLF), 3D Systems (DDD), Allscripts (MDRX), Splunk (SPLK), SeaWorld (SEAS) Report