ARDELYX, INC. 4

Laura A. Williams, Chief Patient Officer of Ardelyx, Inc., sold 10,739 shares of common stock in automatic sell-to-cover transactions related to RSU vesting on August 21, 2026.

On August 21, 2026, Laura A. Williams, Chief Patient Officer of Ardelyx, Inc., executed four small open-market sales of Ardelyx common stock totaling 10,739 shares at a weighted average price of approximately $3.8569 per share, for proceeds of about $41,431. According to the footnote, these transactions were automatic sell-to-cover sales triggered by the vesting of restricted stock units and conducted solely to satisfy tax withholding obligations, rather than discretionary sales. Following these routine tax-related dispositions, Williams continued to hold 367,456 shares of Ardelyx common stock, indicating she maintains a substantial equity stake in the company.

Filing Facts

CIK

1437402

Ticker

ARDX

Form

4

Source Type

fda

Accession

0001869194-26-000011

Alert Tier

5