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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1437402	Ardelyx Inc.	ARDX	Pharmaceutical Preparations (2834)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1611311	P. David Rosenbaum	C/O Ardelyx, Inc. 400 Fifth Avenue, Suite 210 Waltham MA 02451	Chief Development Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2024-08-16	20,000	$5.94	356,479	No	4	S	Direct
Common Stock	Acquisiton	2024-08-20	20,507	$0.99	179,009	No	4	M	Indirect	By Wife
Common Stock	Disposition	2024-08-20	20,507	$6.00	158,502	No	4	S	Indirect	By Wife

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	M	Indirect	By Wife
No	4	S	Indirect	By Wife

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (Right to Buy)	Disposition	2024-08-20	20,507	$0.00	20,507	$0.99

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
49,806		2032-01-06	No	4	M	Indirect

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	77,592	Indirect	Family Trust

Footnotes

Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on May 17, 2024.
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.
The shares are directly held by the Reporting Person's wife.
The shares are directly held by David Paul Rosenbaum and Susan Edelstein Rosenbaum, Trustees of the David Paul Rosenbaum Family Trust.
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.