Houghton Mifflin Harcourt Co

FY: Dec 31 2021

Q: Sep 30 2021

Q: Jun 30 2021

Q: Mar 31 2021

FY: Dec 31 2020

Q: Sep 30 2020

Q: Jun 30 2020

Q: Mar 31 2020

FY: Dec 31 2019

Q: Sep 30 2019

Q: Jun 30 2019

Q: Mar 31 2019

FY: Dec 31 2018

Q: Sep 30 2018

Q: Jun 30 2018

Q: Mar 31 2018

FY: Dec 31 2017

Q: Sep 30 2017

Q: Jun 30 2017

Q: Mar 31 2017

1.02,2.01,3.01,3.03,5.01,5.02,5.03,7.01,9.01

Entry into a Material Definitive Agreement

8.01

2.02,9.01

1.01,7.01,9.01

2.02,9.01

2.02,9.01

5.02,5.07,9.01

2.01,7.01,9.01

2.02,9.01

1.01,7.01,9.01

5.02

2.02,9.01

2.02,9.01

5.03,9.01

2.02,2.05,9.01

Cost Associated with Exit or Disposal Activities

Results of Operations and Financial Condition

5.02,5.07,9.01

2.02,9.01

Certification of termination of registration of a class of securities (Section 12(b))

Notice of Effectiveness

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Notification of removal from listing and/or registration on a national securities exchange

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Notice of Effectiveness

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Post Effective Amendment to S-8

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Automatic Shelf Registration

Post-effective amendment to a registration statement

Prospectus Supplement for Primary Offering

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

ALLIANCEBERNSTEIN L.P.

none

none

CROVITZ L GORDON

DOLAN MICHAEL

Dunkin Amy

FISH LAWRENCE K

Evans Michael Edmund

Greenthal Jill A

MCKERNAN JOHN R JR

Fields Matthew M.

KILLIAN JOHN F

Reyes Alejandro

Lynch John J Jr

Weber Tracey Drake

Bayers William Frederick

ONeill James P.

none

Brizard Jean-Claude

Abbott Joseph Patrick Jr.

Letter from the SEC

No description available

No description available

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Specialized Disclosure Report

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC