X0306 4 2017-01-05 0 0001437402 ARDELYX, INC. ARDX 0001663000 Korner Paul C/O ARDELYX, INC. 34175 ARDENWOOD BLVD, SUITE 200 FREMONT CA 94555 0 1 0 0 EVP, Chief Medical Officer Common Stock 2017-01-05 4 S 0 6130 12.95 D 54623 D The shares were automatically sold pursuant to the Issuer's 2014 Equity Incentive Award Plan to cover tax liability upon the vesting of outstanding Restricted Stock Units ("RSUs"). Includes 45,565 RSUs. The reporting person is entitled to receive one (1) share of common stock for each one (1) RSU upon the vesting thereof. /s/ Elizabeth Grammer, Attorney-in-Fact for Paul Korner 2017-01-23