NEW YORK, Oct. 19, 2026 /PRNewswire/ -- Why: Rosen Law Firm, a global investor rights law firm, reminds purchasers of Class A common stock of Duolingo, Inc. (NASDAQ: DUOL) between May 2, 2025 to February 26, 2026, inclusive (the "Class Period"), of the important December 7, 2026 lead plaintiff deadline.

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