ARDELYX, INC. 4

Chief Patient Officer Laura A. Williams of Ardelyx, Inc. exercised options for 31,000 shares at $0.99 and sold 81,898 common shares at about $5.99 on June 18, 2026 under a 10b5-1 plan.

On June 18, 2026, Laura A. Williams, Chief Patient Officer of Ardelyx, Inc., exercised a stock option for 31,000 shares of common stock at $0.99 per share and immediately sold 81,898 shares of common stock at a weighted average price of approximately $5.989 per share under a Rule 10b5-1 trading plan. The option exercise (a routine vesting-related transaction from an option originally vesting in monthly installments beginning January 6, 2022) resulted in 31,000 newly acquired shares, while the open-market sale generated proceeds of roughly $491,000. Following these transactions, Williams directly owned 378,195 shares of Ardelyx common stock. The activity reflects a mix of routine equity compensation exercise and partial monetization, rather than a net accumulation of shares.

Filing Facts

CIK

1437402

Ticker

ARDX

Form

4

Source Type

sec

Accession

0001869194-26-000008

Alert Tier

6