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Law firm investigates Ionis Pharmaceuticals after trial failure causes 24% stock drop

Market News
04 Aug 2026
GlobeNewsWire
View Source
Bearish
Law firm investigates Ionis Pharmaceuticals after trial failure causes 24% stock drop

Pomerantz LLP is investigating potential securities fraud claims against Ionis Pharmaceuticals following the failure of its Phase-3 CARDIO-TTransform trial for Wainua, a treatment for amyloid cardiomyopathy developed with AstraZeneca. The trial did not meet its primary endpoint, leading to a 23.9% drop in Ionis's stock price on July 9, 2026. The investigation targets whether Ionis and its executives engaged in unlawful business practices. Investors affected by the stock decline are advised to contact the law firm for possible class action participation.

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