DUOL
Duolingo, Inc.
NASDAQ · Technology · Software - Application · US
$141.90
−3.54%0
Insider buys (3m)
15
Insider sells (3m)
-$7.8M
Net value (3m)
+13.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 18, 2026 | von Ahn Luis · director, 10 percent owner, officer: President & CEO, Co-Founder | Sale | 1,020 | $152 |
| Sep 18, 2026 | von Ahn Luis · director, 10 percent owner, officer: President & CEO, Co-Founder | M-Exempt | 23,040 | $14 |
| Sep 18, 2026 | von Ahn Luis · director, 10 percent owner, officer: President & CEO, Co-Founder | Sale | 27,272 | $150 |
| Sep 18, 2026 | von Ahn Luis · director, 10 percent owner, officer: President & CEO, Co-Founder | M-Exempt | 5,252 | $38 |
| Sep 15, 2026 | Chen Stephen C. · officer: General Counsel | Sale | 2,107 | $147 |
| Sep 15, 2026 | Chen Stephen C. · officer: General Counsel | Sale | 5,965 | $150 |
| Sep 10, 2026 | GORDON WILLIAM B · director | Sale | 2,742 | $145 |
| Sep 10, 2026 | GORDON WILLIAM B · director | Sale | 2,675 | $147 |
| Sep 10, 2026 | GORDON WILLIAM B · director | Sale | 100 | $152 |
| Sep 10, 2026 | GORDON WILLIAM B · director | Sale | 200 | $149 |
| Sep 10, 2026 | GORDON WILLIAM B · director | Sale | 800 | $144 |
| Sep 10, 2026 | GORDON WILLIAM B · director | Sale | 3,483 | $146 |
| Aug 19, 2026 | Glance Natalie · officer: Chief Engineering Officer | Sale | 2,751 | $129 |
| Aug 19, 2026 | Glance Natalie · officer: Chief Engineering Officer | Sale | 1,037 | $138 |
| Aug 19, 2026 | Glance Natalie · officer: Chief Engineering Officer | Sale | 502 | $137 |
| Aug 19, 2026 | Meese Robert · officer: Chief Business Officer | Sale | 1,354 | $129 |
| Aug 19, 2026 | Chen Stephen C. · officer: General Counsel | Sale | 1,024 | $129 |
| Aug 12, 2026 | KRAWCHECK SALLIE · director | A-Award | 3,280 | $0.00 |
| Aug 12, 2026 | KRAWCHECK SALLIE · director | A-Award | 1,312 | $0.00 |
| Jul 14, 2026 | Lilly III John Osborne · director | A-Award | 118 | $125 |
| Jul 14, 2026 | Shelton James H · director | A-Award | 120 | $125 |
| Jul 14, 2026 | Schlosser Mario · director | A-Award | 140 | $125 |
| Jul 14, 2026 | Bohutinsky Amy · director | A-Award | 130 | $125 |
| Jun 18, 2026 | Chen Stephen C. · officer: General Counsel | M-Exempt | 58 | $14 |
| Jun 5, 2026 | Bohutinsky Amy · director | A-Award | 2,001 | $0.00 |
| Jun 5, 2026 | Shelton James H · director | A-Award | 2,001 | $0.00 |
| Jun 5, 2026 | Clemens Sara · director | A-Award | 2,001 | $0.00 |
| Jun 5, 2026 | Lilly III John Osborne · director | A-Award | 2,001 | $0.00 |
| Jun 5, 2026 | Ross Bonnie · director | A-Award | 2,001 | $0.00 |
| Jun 5, 2026 | GORDON WILLIAM B · director | A-Award | 2,001 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 180Increased 308Reduced 249Sold out 59
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BAILLIE GIFFORD & CO | Increased | 4,875,810 | May 8, 2026 |
| BAILLIE GIFFORD & CO | Reduced | 4,824,298 | Aug 6, 2026 |
| BLACKROCK, INC. | Increased | 3,986,466 | May 13, 2026 |
| BlackRock, Inc. | Reduced | 3,867,080 | Aug 7, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 2,332,543 | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 2,326,112 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 2,220,297 | Aug 14, 2026 |
| CITADEL ADVISORS LLC | Increased | 2,028,268 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1,745,689 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1,723,132 | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 1,639,342 | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 1,632,650 | May 8, 2026 |
| FIL LTD | Increased | 1,622,805 | May 15, 2026 |
| FIL Ltd | Reduced | 1,603,554 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 1,603,280 | Aug 13, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 18, 2026