SEC Form 4 Filing for ARDELYX, INC.

This filing details a transaction by John E. Bishop, Chief Technical and Quality Officer of ARDELYX, INC. On May 21, 2026, Mr. Bishop disposed of 2,306 shares of Common Stock at a price of $6.2675 per share. This disposition was part of an automatic sell-to-cover mechanism to satisfy tax withholding obligations upon the vesting of restricted stock units (RSUs). Following this transaction, Mr. Bishop holds 336,845 shares of Common Stock. The transaction code is "S" and the code for acquired or disposed of is "D".