Company facts
- Industry
- Services-Prepackaged Software
- Headquarters
- Pittsburgh, Pennsylvania
- Most recent report
- 10-Q, filed Nov 4, 2026
- Incorporated
- Delaware
- Filings on record
- 789 filings
- On EDGAR
- CIK 1562088
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 23
News 8 of 40
Prospectuses and Registrations 8 of 11
- S-8 Registration statement for an employee plan Feb 27, 2026
- S-8 Registration statement for an employee plan Feb 28, 2025
- S-8 Registration statement for an employee plan Feb 29, 2024
- S-8 Registration statement for an employee plan Mar 1, 2023
- S-8 Registration statement for an employee plan Mar 4, 2022
- 424B4 Final prospectus for an offering Jul 28, 2021
- S-8 Registration statement for an employee plan Jul 28, 2021
- S-8 Registration statement for an employee plan Jul 28, 2021
Proxies 8 of 11
- DEFA14A Extra proxy material Apr 17, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 17, 2026
- DEFA14A Extra proxy material Apr 25, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 25, 2025
- DEFA14A Extra proxy material May 23, 2024
- DEFA14A Extra proxy material Apr 25, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 25, 2024
- DEFA14A Extra proxy material Apr 28, 2023
Ownership 8 of 681
- 4 Insider reported a trade Nov 5, 2026
- 4 Insider reported a trade Nov 4, 2026
- 144 Notice of a proposed sale of restricted stock Nov 4, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Oct 30, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Oct 20, 2026
- 4 Insider reported a trade Oct 13, 2026
- 4 Insider reported a trade Oct 13, 2026
- 4 Insider reported a trade Oct 13, 2026
Other 8 of 23
- ARS Annual report sent to shareholders Apr 17, 2026
- ARS Annual report sent to shareholders Apr 25, 2025
- ARS Annual report sent to shareholders Apr 26, 2024
- ARS Annual report sent to shareholders Apr 28, 2023
- EFFECT Notice that a registration became effective Jul 27, 2021
- CERT Exchange certified a listing Jul 27, 2021
- 8-A12B Registration of a security for exchange listing Jul 23, 2021
- CORRESP Reply to SEC staff Jul 23, 2021
Everything here comes from Duolingo, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.