DAVID M. MOTT - 20 Feb 2026 Form 4 Insider Report for ARDELYX, INC. (ARDX)

Role: Director
Signature: /s/ Elizabeth Grammer, Attorney-in-Fact for David Mott
Issuer symbol: ARDX
Transactions as of: 20 Feb 2026
Net transactions value: +$1,946,331
Form type: 4
Filing time: 23 Feb 2026, 21:01:11 UTC
Previous filing: 06 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MOTT DAVID M	Director	C/O ARDELYX, INC., 400 FIFTH AVENUE, SUITE 210, WALTHAM	/s/ Elizabeth Grammer, Attorney-in-Fact for David Mott	23 Feb 2026	0001219871

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ARDX	Common Stock	Purchase	$1,946,331	+333,333	+11%	$5.84	3,302,918	20 Feb 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.67 per share to $6.00 per share, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
F2	The Reporting Person holds 87,566 shares for the benefit of entities associated with New Enterprise Associates and disclaims beneficial ownership of such shares, except to the extent of his actual pecuniary interest therein.

Content

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.67 per share to $6.00 per share, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The Reporting Person holds 87,566 shares for the benefit of entities associated with New Enterprise Associates and disclaims beneficial ownership of such shares, except to the extent of his actual pecuniary interest therein.