A Duolingo Director Sells 10,000 Shares for $1.5 Million Amid a 46% One-Year Decline in the Stock

Key Points The disposition involved 10,000 shares with an estimated value of ~$1.5 million as of the September 8, 2026 transaction date. The shares traded represent 13% of the director's Class A Common Stock held prior to the execution. The transaction was composed entirely of directly held shares; no indirect ownership was reported in this filing. 10 stocks we like better than Duolingo › William B. Gordon, a member of the Board of Directors at Duolingo, Inc. (NASDAQ:DUOL) , sold 10,000 shares of Class A Common Stock on September 8, 2026, according to a recent SEC Form 4 filing . Transaction summary Metric Value Transaction value ~$1.5 million Shares sold 10,000 Post-transaction shares (directly held) 68,415 Post-transaction value ~$10.02 million Transaction value based on SEC Form 4 weighted average sale price ($145.67); post-transaction value based on September 8, 2026 market close ($146.39). Key questions What governed the timing of this transaction? The sale was carried out under a Rule 10b5-1 trading plan adopted on June 9, 2026, which allows insiders to establish a predetermined schedule for stock dispositions. How much of the company does the director continue to hold? Following this sale, Gordon maintains direct ownership of 68,415 shares of Class A Common Stock, representing an approximate 0.15% stake in the company. What was the share price context for the execution? The shares were sold at a weighted average price of $145.67, while the stock was down 46% for the year ending on the September 8, 2026 transaction date. What is the scope of the insider's reported holdings? The current filing disclosed equity interests exclusively in the form of directly held Class A Common Stock for the Pittsburgh-based language learning platform. Company Overview Metric Value Share Price (as of market close 2026-09-10) $145.16 Market Capitalization $6.7 billion Revenue (TTM) $1.1 billion Net Income (TTM) $410.8 million Company Snapshot Duolingo operates a comprehensive language learning platform and mobile application offering instruction across multiple languages, including Spanish, English, French, Japanese, German, Italian, Chinese, and Portuguese, while also providing digital proficiency assessments to users globally. The company generates revenue through a freemium subscription model, monetizing its user base via premium subscription tiers, in-app purchases, and language proficiency examination fees. Duolingo serves a diverse global customer base, targeting language learners across all proficiency levels seeking accessible, technology-enabled language education. Duolingo, Inc. is a leading digital language learning platform with a market cap of $6.7 billion, demonstrating substantial scale in the education sector . The company's business model leverages a large user base with high engagement metrics, converting free users to premium subscribers while maintaining operational efficiency. Duolingo's competitive advantages include its proprietary gamified learning methodology, extensive language curriculum, and strong brand recognition in the language learning market. What this transaction means for investors Director William Bing Gordon's Sept. 8 sale of Duolingo stock represented a substantial 13% reduction in his direct holdings. With the share price down a hefty 46% over the trailing 12 months, his disposition could raise investor concerns. That said, Gordon retains a sizable equity stake of 68,415 shares post-transaction. This sum ensures his continued alignment with shareholder interests. The sale was the result of a pre-established Rule 10b5-1 plan, making this a non-discretionary transaction. Such plans allow insiders to sell shares at predetermined times to avoid concerns of trading on non-public information. Duolingo stock is down because the company made the decision to prioritize user growth and retention over profits in the short term. This led to a year-over-year decline in net income and free cash flow in the second quarter, but a 23% year-over-year increase in daily active users to 58.7 million, ahead of Duolingo's projections in a sign its efforts are paying off. Should you buy stock in Duolingo right now? Before you buy stock in Duolingo, consider this: The Motley Fool Stock Advisor analyst team just identified what they believe are the 10 best stocks for investors to buy now… and Duolingo wasn’t one of them. The 10 stocks that made the cut could produce monster returns in the coming years. Consider when Netflix made this list on December 17, 2004... if you invested $1,000 at the time of our recommendation, you’d have $410,024 !* Or when Nvidia made this list on April 15, 2005... if you invested $1,000 at the time of our recommendation, you’d have $1,372,815 !* Now, it’s worth noting Stock Advisor’s total average return is 950 % — a market-crushing outperformance compared to 211% for the S&P 500. Don't miss the latest top 10 list, available with Stock Advisor , and join an investing community built by individual investors for individual investors. See the 10 stocks » *Stock Advisor returns as of September 10, 2026. Robert Izquierdo has positions in Duolingo. The Motley Fool has positions in and recommends Duolingo. The Motley Fool has a disclosure policy .

The disposition involved 10,000 shares with an estimated value of ~$1.5 million as of the September 8, 2026 transaction date.

The shares traded represent 13% of the director's Class A Common Stock held prior to the execution.

The transaction was composed entirely of directly held shares; no indirect ownership was reported in this filing.

William B. Gordon, a member of the Board of Directors at Duolingo, Inc. (NASDAQ:DUOL) , sold 10,000 shares of Class A Common Stock on September 8, 2026, according to a recent SEC Form 4 filing .

Transaction value based on SEC Form 4 weighted average sale price ($145.67); post-transaction value based on September 8, 2026 market close ($146.39).

Duolingo, Inc. is a leading digital language learning platform with a market cap of $6.7 billion, demonstrating substantial scale in the education sector . The company's business model leverages a large user base with high engagement metrics, converting free users to premium subscribers while maintaining operational efficiency.

Duolingo's competitive advantages include its proprietary gamified learning methodology, extensive language curriculum, and strong brand recognition in the language learning market.