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REGN Breaking News: Regeneron Inc. Sued for Securities Fraud after Revealing Failed Phase III Clinical Trial Resulting in 10% Stock Drop – Investors Notified to Contact BFA Law

$REGNPress releaseJul 21, 2026, 4:03 PM ETRead the release

Bleichmar Fonti & Auld LLP issued a shareholder-solicitation notice naming Regeneron regarding a class action lawsuit alleging securities fraud tied to the Fianlimab-Libtayo Phase III trial. The complaint alleges the company misled investors before revealing the study did not achieve statistical significance, resulting in stock drops of 6.2% on April 29 and 9.8% on May 15.

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