Foster Eric Duane plan to sell securities of ARDELYX, INC. under Form 144

Foster Eric Duane filed Form 144 to notify SEC of plan to sell 11900 units of ARDELYX, INC. securities around 2026-05-19, with aggregate market value of $74,137.00. The total outstanding units is 247029387.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 02/20/2026, sold 9176 units for $53817.24; On 02/20/2026, sold 1261 units for $7205.10; On 02/20/2026, sold 1 units for $5.71; On 02/20/2026, sold 1 units for $5.70;