ARDELYX, INC. — Director's Dealing 2024

Aug 21, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARDELYX, INC. (ARDX)
CIK: 0001437402
Period of Report: 2024-08-16

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-08-16	Common Stock	S	20000	$5.937	Disposed	356479	Direct
2024-08-20	Common Stock	M	20507	$0.99	Acquired	179009	Indirect
2024-08-20	Common Stock	S	20507	$6	Disposed	158502	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-08-20	Stock Option (Right to Buy)	$0.99	M	20507	Disposed	2032-01-06	Common Stock (20507)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	77592	Indirect

Footnotes

F1: Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on May 17, 2024.

F2: Transaction was executed in multiple trades in prices ranging from $5.92 to $5.97, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F3: The shares are directly held by the Reporting Person's wife.

F4: The shares are directly held by David Paul Rosenbaum and Susan Edelstein Rosenbaum, Trustees of the David Paul Rosenbaum Family Trust.

F5: The option becomes exercisable as it vests and the shares subject to the option vest in 48 successive, equal monthly installments on each monthly anniversary of January 6, 2022, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.