<div id="readability-page-1"><div><div><table><thead><tr><th><span>Reporter Name</span></th><th><span>Relationship</span></th><th><span>Type</span></th><th><span>Amount</span></th><th><span>SEC Filing</span></th></tr></thead><tbody><tr><td><span>Reilly Joseph James</span></td><td><span>Officer</span></td><td><span>Sell</span></td><td><span>$61,382</span></td><td>Form 4</td></tr><tr><td><span>Foster Eric Duane</span></td><td><span>Chief Commercial Officer</span></td><td><span>Sell</span></td><td><span>$32,191</span></td><td>Form 4</td></tr></tbody></table></div><p><span>Joseph James Reilly, Senior Vice President of Finance at Ardelyx, and Eric Duane Foster, Chief Commercial Officer, have both executed sales of common stock to cover applicable withholding taxes upon the vesting of restricted stock units. </span></p><p><span>Joseph James Reilly sold 11,086 shares on November 21, 2025, at a price of $5.5369 per share, totaling $61,382. Following this transaction, Reilly directly owns 108,914 shares of Ardelyx. </span></p><p><span>Eric Duane Foster sold 5,814 shares on the same date and price, totaling $32,191. After the sale, Foster directly owns 295,684 shares of Ardelyx.</span></p></div></div>

ARDX

<p>Ardelyx executives Joseph James Reilly and Eric Duane Foster sold shares to cover taxes on vested restricted stock units. Reilly sold 11,086 shares for $61,382, retaining 108,914 shares. Foster sold 5,814 shares for $32,191, retaining 295,684 shares. Both transactions occurred on November 21, 2025, at $5.5369 per share.</p>

Ardelyx Executives Sell Shares to Cover Taxes