Duolingo, Inc. SEC filings DUOL
Duolingo, Inc. has 789 filings in SEC EDGAR's recent list, going back to Nov 13, 2012. Its latest annual report, Form ARS, was filed on Apr 17, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2026 | Nov 3, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 19, 2026 | Aug 18, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 10, 2026 | Aug 10, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 5, 2026 | Jun 3, 2026 |
| 10-Q | Quarterly report | May 5, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 4, 2026 | May 4, 2026 |
| ARS | Annual report to shareholders | Apr 17, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 17, 2026 | — |
| DEF 14A | Proxy statement | Apr 17, 2026 | Apr 17, 2026 |
| S-8 | Employee stock plan registration | Feb 27, 2026 | — |
| 8-K/A |
Amended current report
Results of operations
|
Feb 27, 2026 | Feb 26, 2026 |
| 10-K | Annual report | Feb 27, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 26, 2026 | Feb 26, 2026 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Jan 12, 2026 | Jan 8, 2026 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2025 | Jun 11, 2025 |
| 10-Q | Quarterly report | May 2, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 1, 2025 | May 1, 2025 |
| ARS | Annual report to shareholders | Apr 25, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 25, 2025 | — |
| DEF 14A | Proxy statement | Apr 25, 2025 | Dec 31, 2024 |
| S-8 | Employee stock plan registration | Feb 28, 2025 | — |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2025 | Feb 27, 2025 |
| 10-Q/A | Amended quarterly report | Dec 16, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 9, 2024 | Dec 5, 2024 |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2024 | Nov 6, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2024 | Aug 7, 2024 |
| 8-K |
Current report
Officer or director change
|
Jun 21, 2024 | Jun 14, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2024 | Jun 12, 2024 |
| DEFA14A | Additional proxy material | May 23, 2024 | — |
| 8-K/A |
Amended current report
Results of operations
|
May 10, 2024 | May 8, 2024 |
| 10-Q | Quarterly report | May 9, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change
|
May 8, 2024 | May 8, 2024 |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 25, 2024 | — |
| DEF 14A | Proxy statement | Apr 25, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 6, 2024 | Mar 4, 2024 |
| S-8 | Employee stock plan registration | Feb 29, 2024 | — |
| 10-K | Annual report | Feb 29, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 19, 2023 | Dec 18, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 8, 2023 | Dec 7, 2023 |
| 10-Q | Quarterly report | Nov 9, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2023 | Nov 8, 2023 |
| 10-Q | Quarterly report | Aug 9, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2023 | Aug 8, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 22, 2023 | Jun 15, 2023 |
| 10-Q | Quarterly report | May 10, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| ARS | Annual report to shareholders | Apr 28, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| DEF 14A | Proxy statement | Apr 28, 2023 | — |
| S-8 | Employee stock plan registration | Mar 1, 2023 | — |
| 10-K | Annual report | Mar 1, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2023 | Feb 28, 2023 |
| 10-Q | Quarterly report | Nov 14, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2022 | Nov 10, 2022 |
| 10-Q | Quarterly report | Aug 5, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2022 | Aug 4, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2022 | Jun 9, 2022 |
| 10-Q | Quarterly report | May 13, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 12, 2022 | May 12, 2022 |
| DEFA14A | Additional proxy material | Apr 22, 2022 | — |
| DEF 14A | Proxy statement | Apr 22, 2022 | Jun 9, 2022 |
| S-8 | Employee stock plan registration | Mar 4, 2022 | — |
| 10-K | Annual report | Mar 4, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 3, 2022 | Mar 3, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 14, 2021 | Dec 8, 2021 |
| 8-K |
Current report
Material agreement, New debt
|
Nov 22, 2021 | Nov 16, 2021 |
| 10-Q | Quarterly report | Nov 12, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 10, 2021 | Nov 10, 2021 |
| 10-Q | Quarterly report | Aug 12, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2021 | Aug 11, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Jul 30, 2021 | Jul 30, 2021 |
| 424B4 | Prospectus | Jul 28, 2021 | — |
| S-8 | Employee stock plan registration | Jul 28, 2021 | — |
| S-8 | Employee stock plan registration | Jul 28, 2021 | — |
| EFFECT | Filing | Jul 27, 2021 | — |
| CERT | Filing | Jul 27, 2021 | — |
| S-1/A | Amended registration statement | Jul 26, 2021 | — |
| 8-A12B | Filing | Jul 23, 2021 | — |
| CORRESP | Letter to the SEC | Jul 23, 2021 | — |
| CORRESP | Letter to the SEC | Jul 23, 2021 | — |
| CORRESP | Letter to the SEC | Jul 19, 2021 | — |
| S-1/A | Amended registration statement | Jul 19, 2021 | — |
| UPLOAD | Letter from the SEC | Jul 14, 2021 | — |
| CORRESP | Letter to the SEC | Jun 30, 2021 | — |
| CORRESP | Letter to the SEC | Jun 28, 2021 | — |
| S-1 | Registration statement | Jun 28, 2021 | — |
| UPLOAD | Letter from the SEC | Jun 24, 2021 | — |
| DRSLTR | Filing | Jun 7, 2021 | — |
| DRS/A | Filing | Jun 7, 2021 | — |
| UPLOAD | Letter from the SEC | May 27, 2021 | — |
| DRS | Filing | Apr 30, 2021 | — |
| D | Filing | Nov 19, 2020 | — |
| D | Filing | Apr 14, 2020 | — |
| D | Filing | Jan 7, 2020 | — |
| D | Filing | Sep 12, 2017 | — |
| D | Filing | Nov 13, 2012 | — |
Showing 108 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Prepackaged Software (SIC 7372)
- Listed as
- DUOL (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Pittsburgh, PA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1562088
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.