CEO's Foundation Files to Sell $2.93M of Duolingo Stock
DUOL sits 70% above its 52-week low of $87.89.
Summary
CEO Luis von Ahn's foundation filed to sell $2.93M of Duolingo stock under a pre-arranged 10b5-1 plan, the largest insider sale notice in the recent pattern.
Key Events · Ownership and Investor Activity · DUOL
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CEO Foundation Files $2.93M Sale
Luis von Ahn Foundation filed Form 144 to sell 19,008 shares worth approximately $2.93 million, the largest insider sale notice in the recent 90-day pattern.
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10b5-1 Plan Adoption
The sale is under a 10b5-1 trading plan adopted June 2, 2026, indicating the sale was pre-scheduled rather than opportunistic.
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Founders Shares Being Sold
The shares are Founders Shares acquired August 25, 2011, representing long-held equity being monetized by the CEO's affiliated foundation.
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Insider Distribution Pattern
This filing adds to an ongoing distribution pattern: 5 prior Form 144s in the last 90 days, with net insider selling of $3.23M before this filing.
Analysis · DUOL · Technology
The Luis von Ahn Foundation, affiliated with CEO Luis von Ahn, filed a Form 144 to sell 19,008 shares worth approximately $2.93 million. This is the largest single insider sale notice in the recent pattern and comes from the CEO's affiliated entity, making it more significant than the routine officer sales seen in August. The sale is under a 10b5-1 plan adopted June 2, 2026, which reduces the signal of opportunistic timing but still represents meaningful distribution by the company's founder.
How filings like this one have moved
In the 30 days to Sep 16, 2026, 29.6% of the 1716 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.32%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, DUOL was trading at $149.00 on NASDAQ in the Technology sector, with a market capitalization of approximately $6.9B. The 52-week trading range was $87.89 to $353.00. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.