ARDELYX, INC. 4

Joseph James Reilly, SVP and Chief Accounting Officer of Ardelyx, Inc., sold 3,982 shares of common stock in automatic tax-withholding sales related to RSU vesting.

On August 21, 2026, Ardelyx, Inc. Senior Vice President and Chief Accounting Officer Joseph James Reilly executed two automatic sell-to-cover transactions tied to the vesting of previously granted RSUs, selling an aggregate 3,982 shares of Ardelyx common stock at a weighted average price of approximately $3.8569 per share solely to satisfy withholding tax obligations. The sales, executed in multiple trades within a price range of $3.648 to $3.984, reduced his direct ownership from 149,836 shares to 145,854 shares of common stock. These transactions are characterized as routine compensation-related tax sales rather than discretionary open-market sales.

Filing Facts

CIK

1437402

Ticker

ARDX

Form

4

Source Type

fda

Accession

0002044416-26-000008

Alert Tier

5