ARDELYX, INC. — Director's Dealing 2025

Oct 18, 2025

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: ARDELYX, INC. (ARDX)
CIK: 0001437402
Period of Report: 2025-06-18

Reporting Person: Brady James Parker (N/A)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	166000	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$3.93	2035-06-03	Common Stock (250000)		Direct

Footnotes

F1: Restricted stock units ("RSUs"). The Reporting Person is entitled to receive one (1) shares of Common Stock for each one (1) RSU upon the vesting thereof.

F2: Twenty Five Percent (25%) of the shares subject to the option vest on June 3, 2026 and the remaining shares subject to the option vest in 36 successive, equal monthly installments thereafter, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.