Duolingo Inc. (DUOL)
NASDAQ: DUOL
· Real-Time Price · USD
326.39
12.90 (4.11%)
At close: Sep 26, 2025, 3:59 PM
325.70
-0.21%
After-hours: Sep 26, 2025, 07:55 PM EDT
Company Description
Duolingo, Inc. develops a language-learning website and mobile app in the United States and China.
The company offers courses in 40 different languages, including Spanish, English, French, Japanese, German, Italian, Chinese, Portuguese, and others.
It also provides a digital language proficiency assessment exam.
The company was incorporated in 2011 and is headquartered in Pittsburgh, Pennsylvania.
Duolingo Inc.
| Country | United States |
| IPO Date | Jul 28, 2021 |
| Industry | Software - Application |
| Sector | Technology |
| Employees | 830 |
| CEO | Luis Alfonso von Ahn Arellano |
Contact Details
Address: 5900 Penn Avenue Pittsburgh, Pennsylvania United States | |
| Website | https://www.duolingo.com |
Stock Details
| Ticker Symbol | DUOL |
| Exchange | NASDAQ |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001562088 |
| 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 & Chief Executive Officer |
| Dr. Severin Benedict Hacker Ph.D. | Co-Founder, Chief Technology Officer & Director |
| Manu Orssaud | Chief Marketing Officer |
| Matthew Skaruppa | Chief Financial Officer |
| Molly Lindsay | Chief People Officer |
| Deborah Belevan CPA | Vice President of Investor Relations |
| Dr. Natalie Glance Ph.D. | Chief Engineering Officer |
| Robert Meese | Chief Business Officer |
| Sam Dalsimer | Global Head of Communications |
| Stephen Chen | General Counsel |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Sep 22, 2025 | 4 | Filing |
| Sep 19, 2025 | 4 | Filing |
| Sep 12, 2025 | 4 | Filing |
| Sep 09, 2025 | 4 | Filing |
| Aug 28, 2025 | 4 | Filing |
| Aug 28, 2025 | 4 | Filing |
| Aug 22, 2025 | 4 | Filing |
| Aug 21, 2025 | 4 | Filing |
| Aug 19, 2025 | 4 | Filing |
| Aug 18, 2025 | 4 | Filing |