Deadline Alert: Duolingo, Inc. Investors Have Until December 7, 2026 to Seek Lead Plaintiff Role in Securities Fraud Class Action, Glancy Prongay Wolke & Rotter LLP Reminds

A securities fraud class action has been filed against Duolingo, Inc. for allegedly failing to disclose material adverse facts about its business. The lawsuit covers investors who purchased Duolingo securities between May 2, 2025 and February 26, 2026. The complaint alleges the company concealed that daily active user growth was being undermined by deliberately added user friction through increased ads, subscription upsells, and worsened product quality from AI-generated content. Investors have until December 7, 2026 to seek lead plaintiff status.