15 insiders reported 405 Form 4 transactions for Duolingo, Inc. (DUOL) over the past 18 months (most recent 2026-09-23). Recent activity: von Ahn Luis (President & CEO, Co-Founder) Buy 27,960 shares, von Ahn Luis (President & CEO, Co-Founder) Buy 9,406 shares, von Ahn Luis (President & CEO, Co-Founder) Sell 33,257 shares, von Ahn Luis (President & CEO, Co-Founder) Sell 4,109 shares, von Ahn Luis (President & CEO, Co-Founder) Buy 3,614 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-23 | von Ahn Luis | President & CEO, Co-Founder | Buy | 27,960 | $403,183 |
| 2026-09-23 | von Ahn Luis | President & CEO, Co-Founder | Buy | 9,406 | $358,180 |
| 2026-09-23 | von Ahn Luis | President & CEO, Co-Founder | Sell | 33,257 | $5.0M |
| 2026-09-23 | von Ahn Luis | President & CEO, Co-Founder | Sell | 4,109 | $620,746 |
| 2026-09-23 | von Ahn Luis | President & CEO, Co-Founder | Buy | 3,614 | $137,621 |
| 2026-09-23 | von Ahn Luis | President & CEO, Co-Founder | Sell | 200 | $30,000 |
| 2026-09-23 | von Ahn Luis | President & CEO, Co-Founder | Sell | 3,414 | $518,996 |
| 2026-09-18 | von Ahn Luis | President & CEO, Co-Founder | Buy | 23,040 | $332,237 |
| 2026-09-18 | von Ahn Luis | President & CEO, Co-Founder | Buy | 5,252 | $199,996 |
| 2026-09-18 | von Ahn Luis | President & CEO, Co-Founder | Sell | 27,272 | $4.1M |
| 2026-09-18 | von Ahn Luis | President & CEO, Co-Founder | Sell | 1,020 | $154,571 |
| 2026-09-15 | Chen Stephen C. | General Counsel | Sell | 5,965 | $894,750 |
| 2026-09-15 | Chen Stephen C. | General Counsel | Sell | 2,107 | $310,635 |
| 2026-09-10 | GORDON WILLIAM B | Director | Sell | 800 | $115,068 |
| 2026-09-10 | GORDON WILLIAM B | Director | Sell | 2,742 | $396,458 |
| 2026-09-10 | GORDON WILLIAM B | Director | Sell | 3,483 | $508,198 |
| 2026-09-10 | GORDON WILLIAM B | Director | Sell | 2,675 | $392,114 |
| 2026-09-10 | GORDON WILLIAM B | Director | Sell | 200 | $29,735 |
| 2026-09-10 | GORDON WILLIAM B | Director | Sell | 100 | $15,164 |
| 2026-08-19 | Meese Robert | Chief Business Officer | Sell | 1,354 | $174,842 |
| 2026-08-19 | Chen Stephen C. | General Counsel | Sell | 1,024 | $132,229 |
| 2026-08-19 | Glance Natalie | Chief Engineering Officer | Sell | 2,751 | $355,237 |
| 2026-08-19 | Glance Natalie | Chief Engineering Officer | Sell | 502 | $68,779 |
| 2026-08-19 | Glance Natalie | Chief Engineering Officer | Sell | 1,037 | $143,300 |
| 2026-08-12 | KRAWCHECK SALLIE | Director | Buy | 1,312 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-23