ARDELYX, INC. — Director's Dealing 2026

Feb 24, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARDELYX, INC. (ARDX)
CIK: 0001437402
Period of Report: 2026-02-20

Reporting Person: RAAB MICHAEL (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-20	Common Stock	S	40401	$5.865	Disposed	1862567	Direct
2026-02-20	Common Stock	S	5576	$5.7138	Disposed	1856991	Direct
2026-02-20	Common Stock	S	2	$5.7004	Disposed	1856989	Direct
2026-02-20	Common Stock	S	1	$5.7031	Disposed	1856988	Direct
2026-02-20	Common Stock	S	2	$5.7003	Disposed	1856986	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	24364	Indirect
Common Stock	1000	Indirect

Footnotes

F1: Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units ("RSUs") awards, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes.

F2: The shares are directly held by Michael G. Raab, Trustee of the Michael G. Raab Living Trust dated July 25, 2012.

F3: The shares are owned directly by trusts for the benefit of the Reporting Person's children.