| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2014-02-14 | PAULSON & CO INC | Houghton Mifflin Harcourt Co | 32,312,552 | 22.8% | EDGAR |
| SC 13G | 2014-02-11 | Avenue Capital Management II, L.P. | Houghton Mifflin Harcourt Co | 12,457,495 | 8.8% | EDGAR |
| SC 13G | 2014-01-15 | Amalgamated Gadget, L.P. | Houghton Mifflin Harcourt Co | 8,549,704 | 6.1% | EDGAR |
| SC 13G | 2013-11-25 | Anchorage Capital Group, L.L.C. | Houghton Mifflin Harcourt Co | 21,839,380 | 15.6% | EDGAR |