Luis von Ahn sold $4.3M of DUOL
President & CEO, Co-Founder at Duolingo, Inc.. 28,292 shares at an average of $150.22, traded Sep 16, 2026, filed Sep 18, 2026.
Score components
- +25RoleCEO
- +25Trade size$4.3M at market
- +20Share of holdings soldSold 100% of holdings
- +15Cluster3 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001628280-26-062790, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | CConversion Class A Common Stock10b5-1 | +23,040 | $14.42 | $332k | 23,040 | 24 d ago |
| Sep 16, 2026 | CConversion Class A Common Stock10b5-1 | +5,252 | $38.08 | $200k | 28,292 | 24 d ago |
| Sep 16, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -27,272 | $150.17 | $4.1M | 1,020 | 24 d ago |
| Sep 16, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -1,020 | $151.54 | $155k | 0 | 24 d ago |
| Sep 16, 2026 | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -23,040 | $0.00 | $0 | 27,960 | 24 d ago |
| Sep 16, 2026 | CConversion Class B Common Stockderivative10b5-1 | +23,040 | $0.00 | $0 | 3,391,160 | 24 d ago |
| Sep 16, 2026 | CConversion Class B Common Stockderivative10b5-1 | -23,040 | $0.00 | $0 | 3,368,120 | 24 d ago |
| Sep 16, 2026 | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -5,252 | $0.00 | $0 | 169,748 | 24 d ago |
| Sep 16, 2026 | CConversion Class B Common Stockderivative10b5-1 | +5,252 | $0.00 | $0 | 3,373,372 | 24 d ago |
| Sep 16, 2026 | CConversion Class B Common Stockderivative10b5-1 | -5,252 | $0.00 | $0 | 3,368,120 | 24 d ago |
Related signals
Other insiders at Duolingo, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 35Weak | Duolingo, Inc. | Luis von Ahn President & CEO, Co-Founder | $17M 110,046 shares | -100% | |
| 43Moderate | Duolingo, Inc. | Luis von Ahn President & CEO, Co-Founder | $7.0M 46,682 shares | -100% | |
| 50Moderate | Duolingo, Inc. | Luis von Ahn President & CEO, Co-Founder | $6.2M 40,980 shares | -110% | |
| 40Moderate | Duolingo, Inc. | Stephen C. Chen General Counsel | $1.2M 8,072 shares | -16% | |
| 40Moderate | Duolingo, Inc. | William B Gordon director | $1.5M 10,000 shares | -13% | |
| 33Weak | Duolingo, Inc. | Severin Hacker Chief Tech Officer, Co-Founder | $4.7M 10,000 shares | -99% | |
| 25Weak | Duolingo, Inc. | James H Shelton director | $427k 895 shares | -17% | |
| 33Weak | Duolingo, Inc. | Severin Hacker Chief Tech Officer, Co-Founder | $5.3M 10,000 shares | -99% | |
| 40Moderate | Duolingo, Inc. | Severin Hacker Chief Tech Officer, Co-Founder | $5.2M 10,000 shares | -99% | |
| 35Weak | Duolingo, Inc. | Stephen C. Chen General Counsel | $1.4M 2,635 shares | -7% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.