Duolingo, Inc. (DUOL)
NASDAQ: DUOL · Real-Time Price · USD
95.18
-5.24 (-5.22%)
At close: Mar 10, 2026, 4:00 PM EDT
95.95
+0.77 (0.81%)
After-hours: Mar 10, 2026, 7:58 PM EDT
Company Description
Duolingo, Inc. operates as a mobile learning platform in the United States, the United Kingdom, and internationally.
The company offers 250 language courses, including Spanish, English, French, German, Italian, Portuguese, Japanese, and Chinese through its Duolingo app.
It also provides a digital English language proficiency assessment exam. The company was incorporated in 2011 and is headquartered in Pittsburgh, Pennsylvania.
Duolingo, Inc.
| Country | United States |
| Founded | 2011 |
| IPO Date | Jul 28, 2021 |
| Industry | Software - Application |
| Sector | Technology |
| Employees | 900 |
| CEO | Luis von Ahn Arellano |
Contact Details
Address: 5900 Penn Avenue Pittsburgh, Pennsylvania 15206 United States | |
| Phone | 412 567 6602 |
| Website | duolingo.com |
Stock Details
| Ticker Symbol | DUOL |
| Exchange | NASDAQ |
| Stock Type | Common Stock |
| Share Class | Class A Shares |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| IPO Price | $102.00 |
| CIK Code | 1562088 |
| CUSIP Number | 26603R106 |
| ISIN Number | US26603R1068 |
| Employer ID | 45-3055872 |
| SIC Code | 7372 |
Key Executives
| Name | Position |
|---|---|
| Dr. Luis Alfonso von Ahn Arellano Ph.D. | Co-Founder, Chairman of the Board, President and Chief Executive Officer |
| Gilian Munson | Chief Financial Officer |
| Stephen Chen | General Counsel |
| Matthew Skaruppa | Advisor |
| Robert Meese | Chief Business Officer |
| Dr. Natalie Glance Ph.D. | Chief Engineering Officer |
| Dr. Severin Benedict Hacker Ph.D. | Co-Founder, Chief Technology Officer and Director |
| Deborah Belevan CPA | Vice President of Investor Relations |
| Sam Dalsimer | Global Head of Communications |
| Manu Orssaud | Chief Marketing Officer |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Feb 27, 2026 | S-8 | Securities to be offered to employees in employee benefit plans |
| Feb 27, 2026 | 8-K/A | [Amend] Current report |
| Feb 27, 2026 | 10-K | Annual Report |
| Feb 26, 2026 | 8-K | Current Report |
| Feb 18, 2026 | 144 | Filing |
| Feb 18, 2026 | 144 | Filing |
| Feb 18, 2026 | 144 | Filing |
| Feb 17, 2026 | 144 | Filing |
| Feb 17, 2026 | 144 | Filing |
| Feb 17, 2026 | 144 | Filing |