Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | DEF 14A | hmhc-def14a_20210514.htm | DEF 14A | 3199404 |
| 2 | GRAPHIC | gaivd5gn51md000021.jpg | GRAPHIC | 1336 |
| 3 | GRAPHIC | gaivd5gn51md000052.jpg | GRAPHIC | 62218 |
| 4 | GRAPHIC | gaivd5gn51md000005.jpg | GRAPHIC | 3357 |
| 5 | GRAPHIC | gaivd5gn51md000026.jpg | GRAPHIC | 1140 |
| 6 | GRAPHIC | gaivd5gn51md000033.jpg | GRAPHIC | 1084 |
| 7 | GRAPHIC | gaivd5gn51md000051.jpg | GRAPHIC | 1059 |
| 8 | GRAPHIC | gaivd5gn51md000037.jpg | GRAPHIC | 1059 |
| 9 | GRAPHIC | gaivd5gn51md000024.jpg | GRAPHIC | 1140 |
| 10 | GRAPHIC | gaivd5gn51md000038.jpg | GRAPHIC | 1059 |
| 11 | GRAPHIC | gaivd5gn51md000056.jpg | GRAPHIC | 286620 |
| 12 | GRAPHIC | gaivd5gn51md000003.jpg | GRAPHIC | 18393 |
| 13 | GRAPHIC | gaivd5gn51md000049.jpg | GRAPHIC | 1059 |
| 14 | GRAPHIC | gaivd5gn51md000015.jpg | GRAPHIC | 1140 |
| 15 | GRAPHIC | gaivd5gn51md000025.jpg | GRAPHIC | 1336 |
| 16 | GRAPHIC | gaivd5gn51md000035.jpg | GRAPHIC | 1059 |
| 17 | GRAPHIC | gaivd5gn51md000001.jpg | GRAPHIC | 16479 |
| 18 | GRAPHIC | gaivd5gn51md000019.jpg | GRAPHIC | 1336 |
| 19 | GRAPHIC | gaivd5gn51md000044.jpg | GRAPHIC | 1418 |
| 20 | GRAPHIC | gaivd5gn51md000057.jpg | GRAPHIC | 204503 |
| 21 | GRAPHIC | gaivd5gn51md000039.jpg | GRAPHIC | 1059 |
| 22 | GRAPHIC | gaivd5gn51md000055.jpg | GRAPHIC | 62358 |
| 23 | GRAPHIC | gaivd5gn51md000048.jpg | GRAPHIC | 1059 |
| 24 | GRAPHIC | gaivd5gn51md000022.jpg | GRAPHIC | 1140 |
| 25 | GRAPHIC | gaivd5gn51md000042.jpg | GRAPHIC | 1059 |
| 26 | GRAPHIC | gaivd5gn51md000041.jpg | GRAPHIC | 1059 |
| 27 | GRAPHIC | gaivd5gn51md000023.jpg | GRAPHIC | 1140 |
| 28 | GRAPHIC | gaivd5gn51md000009.jpg | GRAPHIC | 1140 |
| 29 | GRAPHIC | gaivd5gn51md000036.jpg | GRAPHIC | 1059 |
| 30 | GRAPHIC | gaivd5gn51md000043.jpg | GRAPHIC | 1418 |
| 31 | GRAPHIC | gaivd5gn51md000012.jpg | GRAPHIC | 1140 |
| 32 | GRAPHIC | gaivd5gn51md000032.jpg | GRAPHIC | 1059 |
| 33 | GRAPHIC | gaivd5gn51md000008.jpg | GRAPHIC | 1140 |
| 34 | GRAPHIC | gaivd5gn51md000007.jpg | GRAPHIC | 2777 |
| 35 | GRAPHIC | gaivd5gn51md000045.jpg | GRAPHIC | 1059 |
| 36 | GRAPHIC | gaivd5gn51md000027.jpg | GRAPHIC | 2083 |
| 37 | GRAPHIC | gaivd5gn51md000014.jpg | GRAPHIC | 1140 |
| 38 | GRAPHIC | gaivd5gn51md000029.jpg | GRAPHIC | 1886 |
| 39 | GRAPHIC | gaivd5gn51md000054.jpg | GRAPHIC | 95570 |
| 40 | GRAPHIC | gaivd5gn51md000046.jpg | GRAPHIC | 1418 |
| 41 | GRAPHIC | gaivd5gn51md000004.jpg | GRAPHIC | 10947 |
| 42 | GRAPHIC | gaivd5gn51md000017.jpg | GRAPHIC | 1140 |
| 43 | GRAPHIC | gaivd5gn51md000002.jpg | GRAPHIC | 9371 |
| 44 | GRAPHIC | gaivd5gn51md000031.jpg | GRAPHIC | 1059 |
| 45 | GRAPHIC | gaivd5gn51md000028.jpg | GRAPHIC | 2185 |
| 46 | GRAPHIC | gaivd5gn51md000050.jpg | GRAPHIC | 1418 |
| 47 | GRAPHIC | gaivd5gn51md000013.jpg | GRAPHIC | 1140 |
| 48 | GRAPHIC | gaivd5gn51md000020.jpg | GRAPHIC | 1140 |
| 49 | GRAPHIC | gaivd5gn51md000053.jpg | GRAPHIC | 79584 |
| 50 | GRAPHIC | gaivd5gn51md000006.jpg | GRAPHIC | 2710 |
| 51 | GRAPHIC | gaivd5gn51md000018.jpg | GRAPHIC | 1336 |
| 52 | GRAPHIC | gaivd5gn51md000047.jpg | GRAPHIC | 1059 |
| 53 | GRAPHIC | gaivd5gn51md000016.jpg | GRAPHIC | 1140 |
| 54 | GRAPHIC | gaivd5gn51md000010.jpg | GRAPHIC | 1140 |
| 55 | GRAPHIC | gaivd5gn51md000034.jpg | GRAPHIC | 1059 |
| 56 | GRAPHIC | gaivd5gn51md000030.jpg | GRAPHIC | 1894 |
| 57 | GRAPHIC | gaivd5gn51md000011.jpg | GRAPHIC | 1140 |
| 58 | GRAPHIC | gaivd5gn51md000040.jpg | GRAPHIC | 1059 |
| Complete submission text file | 0001564590-21-014566.txt | 4460796 |
IRS No.: 271566372 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-36166 | Film No.: 21761336
SIC: 2731 Books: Publishing or Publishing & Printing
