# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0001628280-26-001730
Filing Date
2026-01-12
Accepted
2026-01-12 06:46:23
Documents
52
Period of Report
2026-01-08
Items
Item 2.02: Results of Operations and Financial Condition
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 8-K | duol-20260108.htm iXBRL | 8-K | 39636
2 | EX-10.1 | duolingo-transitionandse.htm | EX-10.1 | 52381
3 | EX-10.2 | duolingo-munsonofferlett.htm | EX-10.2 | 61668
4 | EX-99.1 | cfoappointmentpressrelease.htm | EX-99.1 | 10903
9 |  | duolingo-munsonofferlett001.jpg | GRAPHIC | 222561
10 |  | duolingo-munsonofferlett002.jpg | GRAPHIC | 297393
11 |  | duolingo-munsonofferlett003.jpg | GRAPHIC | 82087
12 |  | duolingo-munsonofferlett004.jpg | GRAPHIC | 32332
13 |  | duolingo-munsonofferlett005.jpg | GRAPHIC | 278588
14 |  | duolingo-munsonofferlett006.jpg | GRAPHIC | 303180
15 |  | duolingo-munsonofferlett007.jpg | GRAPHIC | 327705
16 |  | duolingo-munsonofferlett008.jpg | GRAPHIC | 304300
17 |  | duolingo-munsonofferlett009.jpg | GRAPHIC | 299005
18 |  | duolingo-munsonofferlett010.jpg | GRAPHIC | 51916
19 |  | duolingo-munsonofferlett011.jpg | GRAPHIC | 38851
20 |  | duolingo-munsonofferlett012.jpg | GRAPHIC | 31653
21 |  | duolingo-munsonofferlett013.jpg | GRAPHIC | 219235
22 |  | duolingo-munsonofferlett014.jpg | GRAPHIC | 302731
23 |  | duolingo-munsonofferlett015.jpg | GRAPHIC | 301808
24 |  | duolingo-munsonofferlett016.jpg | GRAPHIC | 283590
25 |  | duolingo-munsonofferlett017.jpg | GRAPHIC | 277716
26 |  | duolingo-munsonofferlett018.jpg | GRAPHIC | 293552
27 |  | duolingo-munsonofferlett019.jpg | GRAPHIC | 278967
28 |  | duolingo-munsonofferlett020.jpg | GRAPHIC | 58616
29 |  | duolingo-munsonofferlett021.jpg | GRAPHIC | 52141
30 |  | duolingo-transitionandse001.jpg | GRAPHIC | 241731
31 |  | duolingo-transitionandse002.jpg | GRAPHIC | 266693
32 |  | duolingo-transitionandse003.jpg | GRAPHIC | 311768
33 |  | duolingo-transitionandse004.jpg | GRAPHIC | 234448
34 |  | duolingo-transitionandse005.jpg | GRAPHIC | 242412
35 |  | duolingo-transitionandse006.jpg | GRAPHIC | 309775
36 |  | duolingo-transitionandse007.jpg | GRAPHIC | 330192
37 |  | duolingo-transitionandse008.jpg | GRAPHIC | 307729
38 |  | duolingo-transitionandse009.jpg | GRAPHIC | 222632
39 |  | duolingo-transitionandse010.jpg | GRAPHIC | 56591
40 |  | duolingo-transitionandse011.jpg | GRAPHIC | 276315
41 |  | duolingo-transitionandse012.jpg | GRAPHIC | 187608
42 |  | duolingo-transitionandse013.jpg | GRAPHIC | 245648
43 |  | duolingo-transitionandse014.jpg | GRAPHIC | 47069
44 |  | duolingo_landscape-lockupx.jpg | GRAPHIC | 21169
| Complete submission text file | 0001628280-26-001730.txt |  | 10862374

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | duol-20260108.xsd | EX-101.SCH | 2124
6 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | duol-20260108_def.xml | EX-101.DEF | 2935
7 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | duol-20260108_lab.xml | EX-101.LAB | 22618
8 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | duol-20260108_pre.xml | EX-101.PRE | 13704
54 | EXTRACTED XBRL INSTANCE DOCUMENT | duol-20260108_htm.xml | XML | 2624

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: 8-K | Act: 34 | File No.: 001-40653 | Film No.: 26524603
SIC: 7372 Services-Prepackaged Software
(CF Office: 06 Technology)