DUOL Deadline Alert: Levi & Korsinsky Reminds Duolingo, Inc. (DUOL) Investors of Securities Class Action Deadline on December 7, 2026

Key Dates and Disclosure Events Shareholders Need to Know: Three announcements between November 2025 and February 2026 allegedly exposed how Duolingo's friction-heavy monetization push and mass-produced AI content were eroding user growth.

NEW YORK, Nov. 11, 2026 /PRNewswire/ -- Levi & Korsinsky, LLP reminds purchasers of Duolingo, Inc. (NASDAQ: DUOL) securities of a pending securities class action. THE CASE: The action seeks to recover damages for investors who bought Duolingo shares between May 2, 2025 and February 26, 2026. These investors may be entitled to compensation without paying out-of-pocket fees. See if you could be eligible to recover or contact Joseph E. Levi, Esq. at [email protected] or (212) 363-7500.

The Duolingo disclosure timeline traces a $159.02-per-share decline, from a November 5, 2025 closing price of $260.02 to $101.00 on February 27, 2026, a drop of approximately 61.16%. Three announcements marked the descent: November 5, 2025 (down $66.28, or 25%), January 12, 2026 (down $14.92, or 8.5%), and February 26, 2026 (down $16.45, or 14%). Investors have until December 7, 2026 to seek lead plaintiff status.

Duolingo Timeline Disclosure Events: How the Warning Signs Multiplied

The Class Period opened on May 2, 2025 with Duolingo reporting record user additions and raising its 2025 bookings guidance midpoint to 29% growth. Plaintiffs allege that heavier ad loads, relentless upsells, the new Energy system, and mass-produced AI lessons were adding friction behind those results, and that the Company's own A/B testing was tracking it. As detailed in the action, each later quarter widened the gap between the public message and user trends.

Timeline of Alleged Disclosure Failures

• April 2025: Energy replaces Hearts for free users, and an internal memo announcing an AI-first shift sets off a social media backlash.
• August 6, 2025: DAU growth slows to 40%. The complaint recounts that management blamed the memo backlash and signaled no big change ahead.
• November 5, 2025: 3Q results show 36% DAU growth and a pivot to prioritizing user growth over monetization. The Company's 4Q bookings outlook of $329.5 million to $335.5 million fell short of analyst estimates of $344 million.
• January 12, 2026: The Company discloses its CFO's resignation and preliminary 4Q metrics showing DAU growth of 30%.
• February 26, 2026: 4Q results guide 2026 DAU growth to 20%, with lower bookings and profitability expected.

February 26, 2026: When a "Small" Shift Turned Material

On the November 5 earnings call, management described "a relatively small financial impact from this kind of reprioritization." The lawsuit chronicles that the February outlook instead signaled material pressure on bookings, revenue, and adjusted EBITDA. It further asserts that management acknowledged deliberately introducing "friction" into the free user experience.

"Timely disclosure of material developments is fundamental to fair and efficient markets. The complaint alleges that in November 2025 investors were told a strategy shift would carry a small financial impact, and that by February 2026 they learned 2026 user growth would be guided to just 20%. Shareholders are entitled to understand how that sequence unfolded." -- Joseph E. Levi, Esq.

Calculate your potential recovery or call (212) 363-7500.

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Frequently Asked Questions About the DUOL Lawsuit

Q: What specific misstatements does the DUOL lawsuit allege? A: The complaint alleges Duolingo, Inc. made materially false or misleading statements during the Class Period about three subjects: the sustainability of its daily active user growth, the effects of its Energy feature and monetization push, and the quality of its AI-generated content. Duolingo shares fell following November 2025 disclosures of slowing DAU growth and a shift away from monetization. In January 2026, the Company reported further DAU growth deceleration to 30% and announced its CFO's departure. In February, it projected 2026 DAU growth of just 20%.

Q: When did Duolingo, Inc. allegedly mislead investors? A: The Class Period runs from May 2, 2025 to February 26, 2026. The complaint alleges that corrective disclosures revealed information that caused a significant stock decline.

Q: What court was the DUOL class action filed in? A: The case was filed in the United States District Court for the Western District of Pennsylvania, governed by the Private Securities Litigation Reform Act of 1995.

Q: What do DUOL investors need to do right now? A: Investors may gather brokerage records showing purchase dates, share quantities, and prices paid. Submit your information for a no-cost, no-obligation evaluation of your potential recovery. No immediate action is required to remain eligible as an absent class member.

Q: What happens after I contact Levi & Korsinsky? A: An attorney will review your trading history at no cost and provide an initial assessment of your potential eligibility.

Q: What if I already sold my DUOL shares -- can I still recover losses? A: Yes. Eligibility is based on when you purchased, not whether you still hold the shares. Investors who bought during the Class Period and sold at a loss may still be eligible to participate.

Q: Do I need to go to court or give testimony? A: No. The overwhelming majority of class members never appear in court or give depositions. If there is a settlement or recovery, eligible class members generally submit a claim form to seek their portion.

Q: How long will the lawsuit take to resolve? A: Securities class actions typically take two to four years from initial filing to resolution. Timing depends on the court schedule, case developments, and whether the matter is dismissed, settled, or litigated further.

CONTACT:
Levi & Korsinsky, LLP
Joseph E. Levi, Esq.
Ed Korsinsky, Esq.
33 Whitehall Street, 27th Floor
New York, NY 10004
[email protected]
Tel: (212) 363-7500
Fax: (212) 363-7171

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SOURCE Levi & Korsinsky, LLP