Insider Trading February 23, 2026

Ardelyx CFO Sells 2,033 Shares to Cover RSU Taxes; Company Updates Revenue Guidance and Clinical, Patent Developments

Susan Hohenleitner executed a small block sale on Feb. 20, 2026 as Ardelyx reports product revenue guidance, a Phase 3 trial launch and a new patent for tenapanor

By Derek Hwang ARDX
Ardelyx CFO Sells 2,033 Shares to Cover RSU Taxes; Company Updates Revenue Guidance and Clinical, Patent Developments
ARDX

Ardelyx Chief Financial Officer Susan Hohenleitner sold 2,033 shares of common stock on February 20, 2026 to satisfy withholding tax obligations tied to restricted stock units. The transactions totaled $11,886. The company also provided forward-looking product revenue guidance for fiscal 2026, initiated a Phase 3 IBSRELA study, and received a U.S. patent for tenapanor with potential exclusivity implications.

Key Points

  • Ardelyx CFO Susan Hohenleitner sold 2,033 shares on February 20, 2026 to cover RSU withholding taxes, totaling $11,886 at prices between $5.7138 and $5.865.
  • Hohenleitner now directly owns 230,533 shares of Ardelyx; the stock trades at $5.75 and has fallen nearly 15% over the past week.
  • Ardelyx issued fiscal 2026 product revenue guidance: Ibsrela $410M-$430M and Xphozah $110M-$120M; the company also launched a Phase 3 IBSRELA trial and received a new U.S. patent for tenapanor.

Ardelyx NASDAQ:ARDX Chief Financial Officer Susan Hohenleitner disposed of 2,033 shares of the company's common stock on February 20, 2026, according to a Form 4 filed with the Securities and Exchange Commission. The disposition was made to cover withholding taxes that arose upon the vesting of restricted stock units.

The shares were sold at prices ranging from $5.7138 to $5.865, producing a combined transaction value of $11,886. The stock is trading at $5.75 at the time of reporting, reflecting a decline of nearly 15% over the past week.

After the sale, Hohenleitner holds 230,533 shares of Ardelyx directly.


Third-party analysis and platform notes

Investment research available on InvestingPro classifies ARDX as appearing undervalued when compared to its Fair Value. The platform also notes that Ardelyx's liquid assets exceed its short-term obligations and lists this observation among 10 total ProTips available for the ticker. InvestingPro further indicates that a comprehensive Pro Research Report is accessible for more than 1,400 U.S. equities.


Corporate updates accompanying the filing

Ardelyx has pre-released fourth-quarter 2025 revenue for its products Ibsrela and Xphozah and provided product revenue guidance for fiscal 2026. The company projected Ibsrela revenue in the range of $410 million to $430 million and Xphozah revenue between $110 million and $120 million for the fiscal year.

The company has also initiated a Phase 3 clinical trial for IBSRELA, targeting chronic idiopathic constipation in adults. The trial is planned to enroll approximately 700 patients and will evaluate safety and efficacy across a 26-week treatment period.

Separately, Ardelyx has been mentioned in reports that Zydus Life may either acquire a controlling interest in the company or purchase key molecules from its portfolio. The U.S. Patent and Trademark Office issued a new patent for tenapanor, a development the company says could extend exclusivity potentially through 2042.

Following the patent notice and other company news, several analysts updated or reiterated their views. H.C. Wainwright raised its price target on Ardelyx to $18.00. Raymond James maintained a Strong Buy rating and assigned a $19.00 price target. Piper Sandler kept an Overweight rating, citing the growth trajectory of Ibsrela.


What this filing reflects

The Form 4 filing documents a routine insider sale conducted to satisfy tax obligations tied to equity compensation. The transaction size and the stated purpose - covering withholding taxes related to RSU vesting - are specified in the filing. Alongside the insider activity, the company’s guidance, clinical trial progress, patent issuance and analyst commentary provide additional context on recent corporate developments.

Risks

  • Short-term stock volatility highlighted by a nearly 15% decline over the past week - impacts equity markets and investor sentiment in biotech and small-cap pharmaceutical stocks.
  • Uncertainty around potential corporate transactions as reports indicate Zydus Life may pursue a controlling stake or purchase molecules - affects M&A outlook in the biotech sector.
  • Clinical and patent milestones carry execution risk: Phase 3 trial outcomes, enrollment of approximately 700 patients over 26 weeks, and the practical effect of the new tenapanor patent on exclusivity through 2042.

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