Duolingo, Inc. (DUOL) Insider Trading
Over the last 3 months, DUOL insiders made 0 open-market buys and 5 sales, a net sale of -$874K (SEC Form 4). Over the last 6 months, 309 institutions increased and 251 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
5
Net (3m)
-$874.4K
Insider trades by month Buys Sells
Oct
Nov
Feb
Mar
May
Aug
Context3-month price +31%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 19, 2026 | Glance Natalieofficer: Chief Engineering Officer | Sell | 502 | $137.01 |
| Aug 19, 2026 | Glance Natalieofficer: Chief Engineering Officer | Sell | 2,751 | $129.13 |
| Aug 19, 2026 | Chen Stephen C.officer: General Counsel | Sell | 1,024 | $129.13 |
| Aug 19, 2026 | Meese Robertofficer: Chief Business Officer | Sell | 1,354 | $129.13 |
| Aug 19, 2026 | Glance Natalieofficer: Chief Engineering Officer | Sell | 1,037 | $138.19 |
| Aug 12, 2026 | KRAWCHECK SALLIEdirector | Grant | 1,312 | — |
| Aug 12, 2026 | KRAWCHECK SALLIEdirector | Grant | 3,280 | — |
| Jul 14, 2026 | Schlosser Mariodirector | Grant | 140 | $124.76 |
| Jul 14, 2026 | Lilly III John Osbornedirector | Grant | 118 | $124.76 |
| Jul 14, 2026 | Bohutinsky Amydirector | Grant | 130 | $124.76 |
| Jul 14, 2026 | Shelton James Hdirector | Grant | 120 | $124.76 |
| Jun 18, 2026 | Chen Stephen C.officer: General Counsel | Option | 58 | $14.42 |
| Jun 5, 2026 | Ross Bonniedirector | Grant | 2,001 | — |
| Jun 5, 2026 | GORDON WILLIAM Bdirector | Grant | 2,001 | — |
| Jun 5, 2026 | Lilly III John Osbornedirector | Grant | 2,001 | — |
| Jun 5, 2026 | Shelton James Hdirector | Grant | 2,001 | — |
| Jun 5, 2026 | Clemens Saradirector | Grant | 2,001 | — |
| Jun 5, 2026 | Bohutinsky Amydirector | Grant | 2,001 | — |
| Jun 5, 2026 | Schlosser Mariodirector | Grant | 2,001 | — |
| May 29, 2026 | Hacker Severindirector, 10 percent owner, officer: Chief Tech Officer, Co-Founder | Option | 60,000 | — |
| May 29, 2026 | von Ahn Luisdirector, 10 percent owner, officer: President & CEO, Co-Founder | Option | 120,000 | — |
| May 29, 2026 | von Ahn Luisdirector, 10 percent owner, officer: President & CEO, Co-Founder | Tax | 54,875 | — |
| May 29, 2026 | Hacker Severindirector, 10 percent owner, officer: Chief Tech Officer, Co-Founder | Tax | 31,920 | — |
| May 19, 2026 | Chen Stephen C.officer: General Counsel | Sell | 700 | $114.22 |
| May 19, 2026 | Meese Robertofficer: Chief Business Officer | Grant | 19,529 | $112.06 |
| May 19, 2026 | Chen Stephen C.officer: General Counsel | Grant | 24,411 | $112.06 |
| May 19, 2026 | Glance Natalieofficer: Chief Engineering Officer | Sell | 1,300 | $114.19 |
| May 19, 2026 | Chen Stephen C.officer: General Counsel | Sell | 820 | $112.16 |
| May 19, 2026 | Meese Robertofficer: Chief Business Officer | Sell | 1,420 | $112.16 |
| May 19, 2026 | Glance Natalieofficer: Chief Engineering Officer | Sell | 1,929 | $112.16 |
Source: DUOL SEC Form 4 filings, latest Aug 19, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their DUOL positions over the last 6 months (SEC Form 13F).
Increased
309
New positions
181
Reduced
251
Sold out
61
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BAILLIE GIFFORD & CO | Increased | 4.9M | May 8, 2026 |
| BAILLIE GIFFORD & CO | Reduced | 4.8M | Aug 6, 2026 |
| BLACKROCK, INC. | Increased | 4.0M | May 13, 2026 |
| BlackRock, Inc. | Reduced | 3.9M | Aug 7, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 2.3M | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 2.3M | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 2.2M | Aug 14, 2026 |
| CITADEL ADVISORS LLC | Increased | 2.0M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1.7M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.7M | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 1.6M | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 1.6M | May 8, 2026 |
| FIL LTD | Increased | 1.6M | May 15, 2026 |
| FIL Ltd | Reduced | 1.6M | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 1.6M | Aug 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.