# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001562088-24-000050
Filing Date
2024-02-29
Accepted
2024-02-28 18:14:37
Documents
171
Period of Report
2023-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | duol-20231231.htm iXBRL | 10-K | 1806452
2 | EX-10.8 | spotify-duolingoxfullyex.htm | EX-10.8 | 155420
3 | EX-21.1 | duolingo-2023q410kex211.htm | EX-21.1 | 4176
4 | EX-23.1 | consentforannual10-k2023.htm | EX-23.1 | 1934
5 | EX-31.1 | duolingo-2023q410kex311.htm | EX-31.1 | 16443
6 | EX-31.2 | duolingo-2023q410kex312.htm | EX-31.2 | 16560
7 | EX-32.1 | duolingo-2023q410kex321.htm | EX-32.1 | 9717
8 | EX-97 | duolingo-clawbackpolicya.htm | EX-97 | 15423
14 |  | duol-20231231_g1.jpg | GRAPHIC | 116140
15 |  | duolingo-clawbackpolicya001.jpg | GRAPHIC | 238299
16 |  | duolingo-clawbackpolicya002.jpg | GRAPHIC | 257837
17 |  | duolingo-clawbackpolicya003.jpg | GRAPHIC | 222263
18 |  | duolingo-clawbackpolicya004.jpg | GRAPHIC | 262266
19 |  | duolingo-clawbackpolicya005.jpg | GRAPHIC | 102032
20 | GRAPHIC | spotify-duolingoxfullyex001.jpg | GRAPHIC | 45544
21 |  | spotify-duolingoxfullyex002.jpg | GRAPHIC | 269943
22 |  | spotify-duolingoxfullyex003.jpg | GRAPHIC | 329848
23 |  | spotify-duolingoxfullyex004.jpg | GRAPHIC | 325944
24 |  | spotify-duolingoxfullyex005.jpg | GRAPHIC | 294902
25 |  | spotify-duolingoxfullyex006.jpg | GRAPHIC | 269641
26 |  | spotify-duolingoxfullyex007.jpg | GRAPHIC | 302202
27 |  | spotify-duolingoxfullyex008.jpg | GRAPHIC | 316258
28 |  | spotify-duolingoxfullyex009.jpg | GRAPHIC | 283225
29 |  | spotify-duolingoxfullyex010.jpg | GRAPHIC | 340346
30 |  | spotify-duolingoxfullyex011.jpg | GRAPHIC | 314062
31 |  | spotify-duolingoxfullyex012.jpg | GRAPHIC | 308576
32 |  | spotify-duolingoxfullyex013.jpg | GRAPHIC | 314330
33 |  | spotify-duolingoxfullyex014.jpg | GRAPHIC | 292129
34 |  | spotify-duolingoxfullyex015.jpg | GRAPHIC | 300490
35 |  | spotify-duolingoxfullyex016.jpg | GRAPHIC | 305172
36 |  | spotify-duolingoxfullyex017.jpg | GRAPHIC | 323672
37 |  | spotify-duolingoxfullyex018.jpg | GRAPHIC | 350153
38 |  | spotify-duolingoxfullyex019.jpg | GRAPHIC | 296324
39 |  | spotify-duolingoxfullyex020.jpg | GRAPHIC | 346632
40 |  | spotify-duolingoxfullyex021.jpg | GRAPHIC | 337191
41 |  | spotify-duolingoxfullyex022.jpg | GRAPHIC | 309709
42 |  | spotify-duolingoxfullyex023.jpg | GRAPHIC | 340619
43 |  | spotify-duolingoxfullyex024.jpg | GRAPHIC | 285137
44 |  | spotify-duolingoxfullyex025.jpg | GRAPHIC | 326647
45 |  | spotify-duolingoxfullyex026.jpg | GRAPHIC | 259824
46 |  | spotify-duolingoxfullyex027.jpg | GRAPHIC | 124781
47 |  | spotify-duolingoxfullyex028.jpg | GRAPHIC | 47409
48 |  | spotify-duolingoxfullyex029.jpg | GRAPHIC | 56470
49 |  | spotify-duolingoxfullyex030.jpg | GRAPHIC | 29945
50 |  | spotify-duolingoxfullyex031.jpg | GRAPHIC | 53582
51 |  | spotify-duolingoxfullyex032.jpg | GRAPHIC | 53626
52 |  | spotify-duolingoxfullyex033.jpg | GRAPHIC | 102106
53 |  | spotify-duolingoxfullyex034.jpg | GRAPHIC | 110555
54 |  | spotify-duolingoxfullyex035.jpg | GRAPHIC | 213996
55 |  | spotify-duolingoxfullyex036.jpg | GRAPHIC | 224074
56 |  | spotify-duolingoxfullyex037.jpg | GRAPHIC | 249517
57 |  | spotify-duolingoxfullyex038.jpg | GRAPHIC | 242521
58 |  | spotify-duolingoxfullyex039.jpg | GRAPHIC | 27535
59 |  | spotify-duolingoxfullyex040.jpg | GRAPHIC | 75580
60 |  | spotify-duolingoxfullyex041.jpg | GRAPHIC | 75796
61 |  | spotify-duolingoxfullyex042.jpg | GRAPHIC | 69136
62 |  | spotify-duolingoxfullyex043.jpg | GRAPHIC | 72499
63 |  | spotify-duolingoxfullyex044.jpg | GRAPHIC | 61150
64 |  | spotify-duolingoxfullyex045.jpg | GRAPHIC | 64419
65 |  | spotify-duolingoxfullyex046.jpg | GRAPHIC | 67725
66 |  | spotify-duolingoxfullyex047.jpg | GRAPHIC | 64512
67 |  | spotify-duolingoxfullyex048.jpg | GRAPHIC | 83276
68 |  | spotify-duolingoxfullyex049.jpg | GRAPHIC | 79483
69 |  | spotify-duolingoxfullyex050.jpg | GRAPHIC | 82021
70 |  | spotify-duolingoxfullyex051.jpg | GRAPHIC | 74005
71 |  | spotify-duolingoxfullyex052.jpg | GRAPHIC | 72277
72 |  | spotify-duolingoxfullyex053.jpg | GRAPHIC | 50192
73 |  | spotify-duolingoxfullyex054.jpg | GRAPHIC | 131712
74 |  | spotify-duolingoxfullyex055.jpg | GRAPHIC | 76510
75 |  | spotify-duolingoxfullyex056.jpg | GRAPHIC | 45215
76 |  | spotify-duolingoxfullyex057.jpg | GRAPHIC | 95752
77 |  | spotify-duolingoxfullyex058.jpg | GRAPHIC | 96532
78 |  | spotify-duolingoxfullyex059.jpg | GRAPHIC | 91133
79 |  | spotify-duolingoxfullyex060.jpg | GRAPHIC | 108673
80 |  | spotify-duolingoxfullyex061.jpg | GRAPHIC | 104998
81 |  | spotify-duolingoxfullyex062.jpg | GRAPHIC | 96779
82 |  | spotify-duolingoxfullyex063.jpg | GRAPHIC | 104255
83 |  | spotify-duolingoxfullyex064.jpg | GRAPHIC | 66610
84 |  | spotify-duolingoxfullyex065.jpg | GRAPHIC | 107361
85 |  | spotify-duolingoxfullyex066.jpg | GRAPHIC | 76851
86 |  | spotify-duolingoxfullyex067.jpg | GRAPHIC | 156142
87 |  | spotify-duolingoxfullyex068.jpg | GRAPHIC | 28623
88 |  | spotify-duolingoxfullyex069.jpg | GRAPHIC | 28343
89 |  | spotify-duolingoxfullyex070.jpg | GRAPHIC | 178303
90 |  | spotify-duolingoxfullyex071.jpg | GRAPHIC | 111677
91 |  | spotify-duolingoxfullyex072.jpg | GRAPHIC | 91571
| Complete submission text file | 0001562088-24-000050.txt |  | 27435138

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | duol-20231231.xsd | EX-101.SCH | 57098
10 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | duol-20231231_cal.xml | EX-101.CAL | 83645
11 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | duol-20231231_def.xml | EX-101.DEF | 321731
12 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | duol-20231231_lab.xml | EX-101.LAB | 846206
13 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | duol-20231231_pre.xml | EX-101.PRE | 573260
173 | EXTRACTED XBRL INSTANCE DOCUMENT | duol-20231231_htm.xml | XML | 1030276

Mailing Address 5900 PENN AVE, SECOND FLOOR PITTSBURGH PA 15206
Business Address 5900 PENN AVE, SECOND FLOOR PITTSBURGH PA 15206 (412) 347-6116
Duolingo, Inc. (Filer) CIK: 0001562088 (see all company filings)

EIN.: 453055872 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-40653 | Film No.: 24697747
SIC: 7372 Services-Prepackaged Software
(CF Office: 06 Technology)