222 filings
Page 5 of 12
8-K
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9 May 19
Houghton Mifflin Harcourt Announces First Quarter 2019 Results In Line with Expectations
6:46am
DEFA14A
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29 Mar 19
Additional proxy soliciting materials
9:03am
8-K
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28 Feb 19
Houghton Mifflin Harcourt Announces 2018 Resultsin-line with Guidance; Strong
6:45am
UPLOAD
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8 Feb 19
Letter from SEC
12:00am
CORRESP
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26 Dec 18
Correspondence with SEC
12:00am
UPLOAD
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11 Dec 18
Letter from SEC
12:00am
8-K
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8 Nov 18
Houghton Mifflin Harcourt Announces Third Quarter 2018 Results
6:46am
8-K
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5 Oct 18
Completion of Acquisition or Disposition of Assets
6:45am
8-K
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12 Sep 18
Houghton Mifflin Harcourt Enters into Definitive Agreement to Divest Riverside Clinical and Standardized Testing Portfolio to Alpine Investors
12:00am
8-K
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2 Aug 18
Houghton Mifflin Harcourt Announces Second Quarter 2018 Results
6:45am
SD
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31 May 18
Conflict minerals disclosure
4:18pm
8-K
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25 May 18
Submission of Matters to a Vote of Security Holders
4:11pm
8-K
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3 May 18
Houghton Mifflin Harcourt Announces First Quarter 2018 Results
12:00am