10 results
10-K
2021 FY
EX-21.1
HMHC
Houghton Mifflin Harcourt Co
Annual report
24 Feb 22
6:48am
10-K
2020 FY
EX-21.1
HMHC
Houghton Mifflin Harcourt Co
Annual report
25 Feb 21
7:01am
10-K
2019 FY
EX-21.1
HMHC
Houghton Mifflin Harcourt Co
Annual report
27 Feb 20
6:49am
10-K
2018 FY
EX-21.1
HMHC
Houghton Mifflin Harcourt Co
Annual report
28 Feb 19
6:48am
10-K
2017 FY
EX-21.1
HMHC
Houghton Mifflin Harcourt Co
Annual report
22 Feb 18
12:00am
10-K
EX-21.1
izy t35cn5x9
27 Mar 14
Annual report
12:00am
S-1/A
EX-21.1
fs7 lwylydc48z6lq
13 Sep 13
IPO registration (amended)
12:00am
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