ARDELYX, INC. — Director's Dealing 2024

May 23, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARDELYX, INC. (ARDX)
CIK: 0001437402
Period of Report: 2024-05-21

Reporting Person: Rosenbaum David P. (Chief Development Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-05-21	Common Stock	S	4855	$7.811	Disposed	376479	Direct
2024-05-21	Common Stock	S	2198	$7.811	Disposed	176374	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	77592	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: Reflects the adjusted total which includes the purchase of 2,349 shares under the Ardelyx Employee Stock Purchase Plan in February 2024.

F3: Reflects the adjusted total which includes the purchase of 2,636 shares under the Ardelyx Employee Stock Purchase Plan in February 2024.

F4: The shares are directly held by the Reporting Person's wife.

F5: The shares are directly held by David Paul Rosenbaum and Susan Edelstein Rosenbaum, Trustees of the David Paul Rosenbaum Family Trust.