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Lawsuit filed against Regeneron over misleading drug trial data causing stock price drop

Market News
16 Jul 2026
Globe News Wire
View Source
Bearish
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Levi & Korsinsky, LLP has filed a class action lawsuit against Regeneron Pharmaceuticals, alleging the company misled investors about its Phase III Fianlimab-Libtayo study results. The complaint claims Regeneron made false positive statements while concealing that the trial was failing to meet key clinical endpoints. After disclosures in April and May 2026 about trial changes and failure to reach statistical significance, Regeneron's stock price dropped sharply. Investors who suffered losses can join the lawsuit before the September 14, 2026 deadline to seek compensation.

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