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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001562088-22-000039
Filing Date
2022-03-04
Accepted
2022-03-04 16:21:38
Documents
102
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K duol-20211231.htm   iXBRL 10-K 1859343
2 EX-4.3 duol-2021x10xkex4descripti.htm EX-4.3 43425
3 EX-10.5 new_leasexexecutedxxsignedx.htm EX-10.5 443342
4 EX-21.1 exhibit211-202110xkx2022x0.htm EX-21.1 4558
5 EX-23.1 consentforannual10-k.htm EX-23.1 2165
6 EX-31.1 duolingo-2021q410qex311.htm EX-31.1 16338
7 EX-31.2 duolingo-2021q410qex312.htm EX-31.2 16352
8 EX-32.1 duolingo-2021q410qex321.htm EX-32.1 8967
14 duol-20211231_g1.jpg GRAPHIC 97693
15 image_0a.jpg GRAPHIC 105
16 image_10a.jpg GRAPHIC 577106
17 image_11a.jpg GRAPHIC 638440
18 image_12a.jpg GRAPHIC 721685
19 image_13a.jpg GRAPHIC 649948
20 image_14a.jpg GRAPHIC 725143
21 image_15a.jpg GRAPHIC 501890
22 image_16a.jpg GRAPHIC 270371
23 image_17a.jpg GRAPHIC 230245
24 image_18a.jpg GRAPHIC 171081
25 image_19a.jpg GRAPHIC 209195
26 image_20a.jpg GRAPHIC 163152
27 image_7a.jpg GRAPHIC 198095
28 image_8a.jpg GRAPHIC 151608
29 image_9a.jpg GRAPHIC 433005
30 signature.jpg GRAPHIC 285722
  Complete submission text file 0001562088-22-000039.txt   16941542

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT duol-20211231.xsd EX-101.SCH 50094
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT duol-20211231_cal.xml EX-101.CAL 63903
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT duol-20211231_def.xml EX-101.DEF 290888
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT duol-20211231_lab.xml EX-101.LAB 686465
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT duol-20211231_pre.xml EX-101.PRE 473153
96 EXTRACTED XBRL INSTANCE DOCUMENT duol-20211231_htm.xml XML 1153032
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)

IRS No.: 453055872 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-40653 | Film No.: 22714345
SIC: 7372 Services-Prepackaged Software