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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001532155-22-000031
Filing Date
2022-02-14
Accepted
2022-02-14 14:56:32
Documents
1

Document Format Files

Seq Description Document Type Size
1 Houghton.htm SC 13G/A 16477
  Complete submission text file 0001532155-22-000031.txt   18203
Mailing Address 1345 AVENUE OF THE AMERICAS NEW YORK NY 10105
Business Address 1345 AVENUE OF THE AMERICAS NEW YORK NY 10105 2129691000
ALLIANCEBERNSTEIN L.P. (Filed by) CIK: 0001109448 (see all company filings)

IRS No.: 134064930 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6282 Investment Advice

Mailing Address 125 HIGH STREET BOSTON MA 02110
Business Address 125 HIGH STREET BOSTON MA 02110 617-351-5000
Houghton Mifflin Harcourt Co (Subject) CIK: 0001580156 (see all company filings)

IRS No.: 271566372 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-87720 | Film No.: 22629986
SIC: 2731 Books: Publishing or Publishing & Printing