REGN

NEW YORK, Aug. 18, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP announces that a class action lawsuit has been filed against Regeneron Pharmaceuticals, Inc. (“Regeneron” or the “Company”) (NASDAQ: REGN).   Such investors are advised to contact Danielle Peyton at  newaction@pomlaw.com or 646-581-9980, (or 888.4-POMLAW), toll-free, Ext.

Important Notice Regarding Alleged Phase III Fianlimab-Libtayo Clinical Trial Risk Misrepresentations. The lawsuit alleges Regeneron investors overpaid while the Company characterized slowing event accrual as potentially favorable, even as the study allegedly faced heightened risk of failing its primary endpoint. Important Notice Regarding Alleged Phase III Fianlimab-Libtayo Clinical Trial Risk Misrepresentations. The lawsuit alleges Regeneron investors overpaid while the Company characterized slowing event accrual as potentially favorable, even as the study allegedly faced heightened risk of failing its primary endpoint.

NEW YORK, Aug. 18, 2026 /PRNewswire/ -- The Gross Law Firm issues the following notice to shareholders of Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN). Shareholders who purchased shares of REGN during the class period listed are encouraged to contact the firm regarding possible lead plaintiff appointment.

SAN FRANCISCO, Aug. 18, 2026 /PRNewswire/ -- Hagens Berman Sobol Shapiro LLP alerts investors in Regeneron Pharmaceuticals (NASDAQ: REGN) that a securities class action lawsuit has been filed after its surprising revelations concerning a Phase 3 clinical trial of a therapy intended to treat patients with melanoma. The news that the trial failed drove the price of Regeneron shares sharply lower and, along with the severe market reaction ($11 billion market cap wipeout), triggered the lawsuit which seeks to represent investors who purchased or otherwise acquired shares of Regeneron common stock between August 1, 2025 and May 15, 2026.

SAN FRANCISCO, Aug. 17, 2026 (GLOBE NEWSWIRE) -- Hagens Berman Sobol Shapiro LLP alerts investors in Regeneron Pharmaceuticals (NASDAQ: REGN) that a securities class action lawsuit has been filed after its surprising revelations concerning a Phase 3 clinical trial of a therapy intended to treat patients with melanoma. The news that the trial failed drove the price of Regeneron shares sharply lower and, along with the severe market reaction ($11 billion market cap wipeout), triggered the lawsuit which seeks to represent investors who purchased or otherwise acquired shares of Regeneron common stock between August 1, 2025 and May 15, 2026.

Faruqi & Faruqi, LLP Securities Litigation Partner James (Josh) Wilson Encourages Investors Who Suffered Losses In Regeneron To Contact Him Directly To Discuss Their Options If you purchased or acquired securities in Regeneron between August 1, 2025 and May 15, 2026 and would like to discuss your legal rights, call Faruqi & Faruqi partner Josh Wilson directly at 877-247-4292 or 212-983-9330 (Ext. 1310). [You may also click here for additional information] New York, New York--(Newsfile Corp. - August 17, 2026) - Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Regeneron Pharmaceuticals, Inc. (""Regeneron" or the "Company") (NASDAQ: REGN) and reminds investors of the September 14, 2026 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company.

Time-Sensitive: Allegations focus on Regeneron's statements about clinical differentiation in the Phase III Fianlimab-Libtayo Study and the last-minute protocol amendment used to force a trial readout Time-Sensitive: Allegations focus on Regeneron's statements about clinical differentiation in the Phase III Fianlimab-Libtayo Study and the last-minute protocol amendment used to force a trial readout

LOS ANGELES, Aug. 17, 2026 (GLOBE NEWSWIRE) -- The Schall Law Firm , a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Regeneron Pharmaceuticals, Inc. (“Regeneron” or “the Company”) (NASDAQ: REGN) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Investors who purchased the Company's securities between August 1, 2025 and May 15, 2026, inclusive (the “Class Period”), are encouraged to contact the firm before September 14, 2026.

SAN FRANCISCO, Aug. 14, 2026 /PRNewswire/ -- Hagens Berman Sobol Shapiro LLP alerts investors in Regeneron Pharmaceuticals (NASDAQ: REGN) that a securities class action lawsuit has been filed after its surprising revelations concerning a Phase 3 clinical trial of a therapy intended to treat patients with melanoma. The news that the trial failed drove the price of Regeneron shares sharply lower and, along with the severe market reaction ($11 billion market cap wipeout), triggered the lawsuit which seeks to represent investors who purchased or otherwise acquired shares of Regeneron common stock between August 1, 2025 and May 15, 2026.

NEW YORK, Aug. 14, 2026 (GLOBE NEWSWIRE) -- The Gross Law Firm issues the following notice to shareholders of Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN).