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Class action filed against Ardelyx over misleading growth claims, stock drops 18% after revenue guidance cut.

Market News
21 Sep 2026
PRNewsWire
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Bearish
Class action filed against Ardelyx over misleading growth claims, stock drops 18% after revenue guidance cut.

A class action lawsuit has been filed against Ardelyx, Inc. for allegedly misleading investors about the commercial performance and growth prospects of its key drugs, IBSRELA and XPHOZAH, between January 2025 and August 2026. The lawsuit claims Ardelyx concealed increasing payer restrictions and barriers that slowed patient access, causing investors to buy shares at inflated prices. The stock price fell 18% after Ardelyx cut its 2026 revenue guidance and withdrew long-term growth forecasts due to market challenges. Investors who bought Ardelyx stock during this period may be eligible to join the lawsuit before the November 16, 2026 deadline.

The class action lawsuit against Ardelyx, Inc. is presented here with a snapshot of the Health sector on Pluang as of Sep 22, 2026 01:32 WIB: out of 95 priced US health stocks, 62 rose and 32 fell. Among notable movers, ADMA Biologics Inc gained 4.50% at USD 9.52 with 100% buy orders and a typical hold time of 17 days, while Crispr Therapeutics AG rose 4.03% to USD 58.84 with 72% buy orders and a longer hold time of 76 days. Aurora Cannabis Inc also increased 4.01% to USD 4.03, fully supported by buy orders and a 26-day hold time.

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