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 |
|---|---|---|---|
| 4 | Insider transaction | Nov 5, 2026 | Nov 4, 2026 |
| 4 | Insider transaction | Nov 4, 2026 | Nov 2, 2026 |
| 144 | Notice of proposed sale | Nov 4, 2026 | — |
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2026 | Nov 3, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 20, 2026 | — |
| 4 | Insider transaction | Oct 13, 2026 | Oct 10, 2026 |
| 4 | Insider transaction | Oct 13, 2026 | Oct 10, 2026 |
| 4 | Insider transaction | Oct 13, 2026 | Oct 10, 2026 |
| 4 | Insider transaction | Oct 13, 2026 | Oct 10, 2026 |
| 4 | Insider transaction | Oct 9, 2026 | Oct 7, 2026 |
| 144 | Notice of proposed sale | Oct 7, 2026 | — |
| 4 | Insider transaction | Sep 28, 2026 | Sep 24, 2026 |
| 144 | Notice of proposed sale | Sep 24, 2026 | — |
| 4 | Insider transaction | Sep 23, 2026 | Sep 21, 2026 |
| 144 | Notice of proposed sale | Sep 22, 2026 | — |
| 144 | Notice of proposed sale | Sep 21, 2026 | — |
| 144 | Notice of proposed sale | Sep 21, 2026 | — |
| 4 | Insider transaction | Sep 18, 2026 | Sep 16, 2026 |
| 144 | Notice of proposed sale | Sep 16, 2026 | — |
| 144 | Notice of proposed sale | Sep 16, 2026 | — |
| 4 | Insider transaction | Sep 15, 2026 | Sep 14, 2026 |
| 144 | Notice of proposed sale | Sep 14, 2026 | — |
| 4 | Insider transaction | Sep 10, 2026 | Sep 8, 2026 |
| 144 | Notice of proposed sale | Sep 8, 2026 | — |
| 4 | Insider transaction | Aug 19, 2026 | Aug 17, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 17, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 17, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 19, 2026 | Aug 18, 2026 |
| 144 | Notice of proposed sale | Aug 18, 2026 | — |
| 144 | Notice of proposed sale | Aug 17, 2026 | — |
| 144 | Notice of proposed sale | Aug 17, 2026 | — |
| 144 | Notice of proposed sale | Aug 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2026 | — |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 3 | Initial insider ownership | Aug 12, 2026 | Aug 10, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 12, 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 31, 2026 | — |
| 4 | Insider transaction | Jul 14, 2026 | Jul 10, 2026 |
| 4 | Insider transaction | Jul 14, 2026 | Jul 10, 2026 |
| 4 | Insider transaction | Jul 14, 2026 | Jul 10, 2026 |
| 4 | Insider transaction | Jul 14, 2026 | Jul 10, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 5, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 144 | Notice of proposed sale | May 18, 2026 | — |
| 144 | Notice of proposed sale | May 18, 2026 | — |
| 144 | Notice of proposed sale | May 15, 2026 | — |
| 144 | Notice of proposed sale | May 15, 2026 | — |
| 144 | Notice of proposed sale | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 12, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 6, 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 |
| 4 | Insider transaction | Mar 27, 2026 | Mar 25, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 16, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 3, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 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 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 17, 2026 |
| 144 | Notice of proposed sale | Feb 18, 2026 | — |
| 144 | Notice of proposed sale | Feb 18, 2026 | — |
| 144 | Notice of proposed sale | Feb 18, 2026 | — |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| 8-K |
Current report
Results of operations, Officer or director change
|
Jan 12, 2026 | Jan 8, 2026 |
| 4 | Insider transaction | Dec 30, 2025 | Dec 29, 2025 |
| 4/A | Form 4/a | Dec 18, 2025 | Jun 11, 2025 |
| 4/A | Form 4/a | Dec 18, 2025 | Jun 11, 2025 |
| 144 | Notice of proposed sale | Dec 12, 2025 | — |
| 4 | Insider transaction | Dec 9, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Nov 20, 2025 | Nov 19, 2025 |
| 4 | Insider transaction | Nov 19, 2025 | Nov 17, 2025 |
| 4 | Insider transaction | Nov 19, 2025 | Nov 17, 2025 |
| 4 | Insider transaction | Nov 19, 2025 | Nov 17, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 17, 2025 |
| 144 | Notice of proposed sale | Nov 18, 2025 | — |
| 144 | Notice of proposed sale | Nov 18, 2025 | — |
| 144 | Notice of proposed sale | Nov 18, 2025 | — |
| 144 | Notice of proposed sale | Nov 17, 2025 | — |
| 144 | Notice of proposed sale | Nov 17, 2025 | — |
| 144 | Notice of proposed sale | Nov 17, 2025 | — |
| 144 | Notice of proposed sale | Nov 17, 2025 | — |
| 4 | Insider transaction | Nov 6, 2025 | Nov 4, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 4, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 3, 2025 | — |
| 4 | Insider transaction | Oct 22, 2025 | Oct 20, 2025 |
| 4 | Insider transaction | Oct 22, 2025 | Oct 20, 2025 |
| 144 | Notice of proposed sale | Oct 8, 2025 | — |
| 4 | Insider transaction | Oct 7, 2025 | Oct 6, 2025 |
| 144 | Notice of proposed sale | Oct 6, 2025 | — |
| 4 | Insider transaction | Oct 6, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Sep 22, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 19, 2025 | Sep 18, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 11, 2025 |
| 4 | Insider transaction | Sep 9, 2025 | Sep 5, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 144 | Notice of proposed sale | Aug 26, 2025 | — |
| 144 | Notice of proposed sale | Aug 26, 2025 | — |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 21, 2025 | Aug 19, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 18, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 18, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 18, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 18, 2025 | Aug 15, 2025 |
| 144 | Notice of proposed sale | Aug 18, 2025 | — |
| 144 | Notice of proposed sale | Aug 15, 2025 | — |
| 144 | Notice of proposed sale | Aug 15, 2025 | — |
| 144 | Notice of proposed sale | Aug 15, 2025 | — |
| 4 | Insider transaction | Aug 15, 2025 | Aug 15, 2025 |
| 144 | Notice of proposed sale | Aug 15, 2025 | — |
| 4 | Insider transaction | Aug 14, 2025 | Aug 14, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 12, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 13, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 8, 2025 | — |
| 4 | Insider transaction | Aug 7, 2025 | Aug 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 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2025 | — |
| 4 | Insider transaction | Jul 22, 2025 | Jul 21, 2025 |
| 4 | Insider transaction | Jul 9, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jun 23, 2025 | Jun 20, 2025 |
| 144 | Notice of proposed sale | Jun 20, 2025 | — |
| 4 | Insider transaction | Jun 20, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 13, 2025 |
| 144 | Notice of proposed sale | Jun 13, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 10, 2025 | Jun 6, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | May 20, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 144 | Notice of proposed sale | May 16, 2025 | — |
| 144 | Notice of proposed sale | May 16, 2025 | — |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 144 | Notice of proposed sale | May 16, 2025 | — |
| 144 | Notice of proposed sale | May 15, 2025 | — |
| 144 | Notice of proposed sale | May 15, 2025 | — |
| 144 | Notice of proposed sale | May 15, 2025 | — |
| 144 | Notice of proposed sale | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 12, 2025 | — |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 10-Q | Quarterly report | May 2, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 1, 2025 | May 1, 2025 |
| 4 | Insider transaction | Apr 30, 2025 | Apr 29, 2025 |
| 144 | Notice of proposed sale | Apr 29, 2025 | — |
| ARS | Annual report to shareholders | Apr 25, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 25, 2025 | — |
Showing 200 filings, the most recent 200. 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.