Rosen Law Firm has filed a class action lawsuit against Duolingo, Inc. on behalf of investors who purchased Class A common stock between May 2, 2025 and February 26, 2026. The lawsuit alleges that Duolingo made materially false statements regarding Daily Active User growth, failed to disclose that increased user friction from ads and subscription upsells was negatively impacting DAU growth, and that low-quality AI-generated content was degrading the product experience and user retention. The lead plaintiff deadline is December 7, 2026.

Duolingo (DUOL) declined 5.17% to $140.10, significantly underperforming the broader market. The stock has fallen 2.25% over the past month, lagging sector gains. Upcoming Q3 earnings on November 3, 2026 are expected to show a 41.05% EPS decline year-over-year, though revenue is projected to rise 11.8%. The stock carries a Zacks Rank #3 (Hold) with a premium Forward P/E ratio of 56.35 versus the industry average of 15.64.

Duolingo has demonstrated a strong track record of beating earnings estimates, with an average surprise of 10.43% over the past two quarters. The company currently has a positive Earnings ESP of +6.12% combined with a Zacks Rank #3 (Hold), suggesting a high probability of another earnings beat when it reports on November 3, 2026. Stocks with this combination historically beat consensus estimates nearly 70% of the time.

A securities class action has been filed against Duolingo, Inc. for allegedly misleading investors about daily active user growth and the impact of its monetization strategy. The stock fell approximately 61% from November 2025 to February 2026 after the company disclosed decelerating user growth and a strategic shift away from aggressive monetization. The lead plaintiff deadline is December 7, 2026.

A securities class action lawsuit has been filed against Duolingo for investors who purchased stock between May 2, 2025 and February 26, 2026. The complaint alleges the company made false and misleading statements about the negative impact of increased ad volume, subscription upsells, and AI-generated content on daily active user growth. Duolingo's stock dropped significantly following disappointing financial results and the CFO's departure, with declines of 25%, 8.5%, and 14% on three separate dates.

A class action lawsuit has been filed against Duolingo, Inc. alleging that the company failed to disclose that increased user friction from ads and subscription upsells, combined with lower-quality AI-generated content, were negatively impacting daily active user growth rates. The lawsuit covers investors who purchased Duolingo securities between May 2, 2025 and February 26, 2026. The lead plaintiff deadline is December 7, 2026.

Duolingo (DUOL) has recently attracted investor attention with shares returning +4.3% over the past month, outperforming the S&P 500's +2.4% gain. However, the company faces significant earnings headwinds, with current fiscal year earnings expected to decline 69.4% year-over-year, though next year shows a projected recovery with +19.5% growth. The stock holds a Zacks Rank #3 (Hold) rating, suggesting it may perform in line with the broader market in the near term. Revenue growth remains solid at +16.5% for the current fiscal year.

Rosen Law Firm has filed a class action lawsuit on behalf of Duolingo investors who purchased Class A common stock between May 2, 2025 and February 26, 2026. The lawsuit alleges that Duolingo made materially false statements regarding user growth, failed to disclose that increased monetization efforts and ad friction were negatively impacting daily active users, and that AI-generated content was degrading product quality. Investors must move the court by December 7, 2026 to serve as lead plaintiff.

Rosen Law Firm has filed a class action lawsuit on behalf of investors who purchased Duolingo Class A common stock between May 2, 2025 and February 26, 2026. The lawsuit alleges that Duolingo made false or misleading statements regarding user friction tactics, negative impacts of AI-generated content on product quality, and misrepresentation of user growth metrics. Investors who purchased shares during this period may be eligible for compensation.

A securities fraud class action lawsuit has been filed against Duolingo, Inc. for investors who purchased stock between May 2, 2025 and February 26, 2026. The lawsuit alleges material misstatements regarding monetization strategies and user friction that negatively impacted daily active user (DAU) growth. Duolingo's stock declined significantly following disappointing Q3 results (DAU growth fell to 36% from 49%), a CFO resignation, and weak Q4 guidance showing only 20% DAU growth for 2026.

Rosen Law Firm has filed class action lawsuits against Netcapital Inc., The Ensign Group, Inc., and Duolingo, Inc. on behalf of investors who purchased securities during specified periods. The Netcapital lawsuit alleges improper revenue recognition from sham consulting agreements, backdated contracts, and false Sarbanes-Oxley certifications. Investors have until December 7, 2026 to move the court if they wish to serve as lead plaintiff.

Rosen Law Firm has filed a class action lawsuit against Duolingo, Inc. on behalf of investors who purchased Class A common stock between May 2, 2025 and February 26, 2026. The lawsuit alleges that Duolingo made materially false statements regarding Daily Active User growth rates, failed to disclose that increased user friction from ads and subscription upsells was negatively impacting DAU growth, and concealed that AI-generated content was degrading product quality and user experience. The deadline to serve as lead plaintiff is December 7, 2026.