Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | S-1 | duolingos-1.htm | S-1 | 2837291 |
| 2 | EX-3.3 | exhibit33-sx1.htm | EX-3.3 | 160323 |
| 3 | EX-4.2 | exhibit42stockcertificate.htm | EX-4.2 | 10439 |
| 4 | EX-4.3 | exhibit43-sx1.htm | EX-4.3 | 325172 |
| 5 | EX-10.1A | exhibit101a-sx1.htm | EX-10.1A | 428403 |
| 6 | EX-10.1B | exhibit101b-sx1.htm | EX-10.1B | 57829 |
| 7 | EX-10.1C | exhibit101c-sx1.htm | EX-10.1C | 72877 |
| 8 | EX-10.1D | exhibit101d-sx1.htm | EX-10.1D | 49963 |
| 9 | EX-10.1E | exhibit101e-sx1.htm | EX-10.1E | 79591 |
| 10 | EX-10.1F | exhibit101f-sx1.htm | EX-10.1F | 101580 |
| 11 | EX-10.1G | exhibit101g-sx1.htm | EX-10.1G | 88889 |
| 12 | EX-10.2A | exhibit102a-sx1.htm | EX-10.2A | 160951 |
| 13 | EX-10.2B | exhibit102b-sx1.htm | EX-10.2B | 101428 |
| 14 | EX-10.2C | exhibit102c-sx1.htm | EX-10.2C | 44483 |
| 15 | EX-21.1 | exhibit211-sx1.htm | EX-21.1 | 3661 |
| 16 | EX-23.1 | exhibit231-sx1.htm | EX-23.1 | 1853 |
| 17 | a42duolingoclassastock12001a.jpg | GRAPHIC | 193580 | |
| 18 | a42duolingoclassastock12002a.jpg | GRAPHIC | 110753 | |
| 19 | alexandre1b.jpg | GRAPHIC | 646716 | |
| 20 | alexandre2b.jpg | GRAPHIC | 780165 | |
| 21 | business10ea.jpg | GRAPHIC | 768192 | |
| 22 | business11ea.jpg | GRAPHIC | 654206 | |
| 23 | business12ea.jpg | GRAPHIC | 271909 | |
| 24 | business13ea.jpg | GRAPHIC | 594843 | |
| 25 | business1ba.jpg | GRAPHIC | 479846 | |
| 26 | business2ca.jpg | GRAPHIC | 76932 | |
| 27 | business3ea.jpg | GRAPHIC | 657639 | |
| 28 | business4ea.jpg | GRAPHIC | 500209 | |
| 29 | business5ea.jpg | GRAPHIC | 504629 | |
| 30 | business6ea.jpg | GRAPHIC | 517569 | |
| 31 | business9ba.jpg | GRAPHIC | 524220 | |
| 32 | business_4ba.jpg | GRAPHIC | 194811 | |
| 33 | ceoletter1a.jpg | GRAPHIC | 353840 | |
| 34 | ceoletter2a.jpg | GRAPHIC | 432129 | |
| 35 | coverart1ba.jpg | GRAPHIC | 215607 | |
| 36 | coverart2ba.jpg | GRAPHIC | 1174865 | |
| 37 | coverart3ba.jpg | GRAPHIC | 676819 | |
| 38 | image2a.jpg | GRAPHIC | 93115 | |
| 39 | keymeas2a.jpg | GRAPHIC | 95831 | |
| 40 | keymeas4a.jpg | GRAPHIC | 156886 | |
| 41 | keymeasa.jpg | GRAPHIC | 100724 | |
| 42 | logoa.jpg | GRAPHIC | 125184 | |
| 43 | mark1c.jpg | GRAPHIC | 681022 | |
| 44 | mark2b.jpg | GRAPHIC | 609743 | |
| 45 | mda1ba.jpg | GRAPHIC | 255559 | |
| 46 | mda7aa.jpg | GRAPHIC | 137172 | |
| 47 | mda8ba.jpg | GRAPHIC | 154972 | |
| 48 | mda_3ba.jpg | GRAPHIC | 807702 | |
| 49 | mdsa2ba.jpg | GRAPHIC | 568616 | |
| 50 | ming1b.jpg | GRAPHIC | 645098 | |
| 51 | ming2b.jpg | GRAPHIC | 602640 | |
| 52 | peopleandculture1ba.jpg | GRAPHIC | 1405886 | |
| 53 | pilar1b.jpg | GRAPHIC | 708268 | |
| 54 | pilar2b.jpg | GRAPHIC | 593837 | |
| 55 | prosummary_1ba.jpg | GRAPHIC | 302262 | |
| 56 | riskfactors_2ba.jpg | GRAPHIC | 214247 | |
| 57 | worldsection1aa.jpg | GRAPHIC | 1604832 | |
| Complete submission text file | 0001628280-21-013065.txt | 30257040 |
IRS No.: 453055872 | State of Incorp.: DE | Fiscal Year End: 1231
Type: S-1 | Act: 33 | File No.: 333-257483 | Film No.: 211054470
SIC: 7372 Services-Prepackaged Software
