Ardelyx Chief Patient Officer Laura Williams Sells Shares for Tax Withholding

Laura A. Williams, Chief Patient Officer of Ardelyx, Inc. (ARDX), sold 6,989 shares of common stock on May 21, 2026, through four separate transactions at $6.2675 per share. The sales were conducted pursuant to an automatic sell-to-cover arrangement triggered by the vesting of restricted stock units (RSUs), with the proceeds used solely to cover applicable withholding taxes. Following these transactions, Williams' ownership decreased from 436,082 shares to 429,093 shares. The filing indicates these were routine sales for tax purposes rather than discretionary sales by the officer. The transactions were reported on Form 4 and signed by an attorney-in-fact on May 22, 2026.