MICHAEL RAAB - 20 Feb 2026 Form 4 Insider Report for ARDELYX, INC. (ARDX)

Role
President & CEO, Director
Signature
/s/ Elizabeth Grammer, Attorney-in-Fact for Michael Raab
Issuer symbol
ARDX
Transactions as of
20 Feb 2026
Net transactions value
-$268,841
Form type
4
Filing time
23 Feb 2026, 20:45:31 UTC
Previous filing
28 Jan 2026
Next filing
25 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
RAAB MICHAEL President & CEO, Director C/O ARDELYX, INC., 400 FIFTH AVENUE, SUITE 210, WALTHAM /s/ Elizabeth Grammer, Attorney-in-Fact for Michael Raab 23 Feb 2026 0001321402

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ARDX Common Stock Sale $236,952 -40,401 -2.1% $5.86 1,862,567 20 Feb 2026 Direct F1
transaction ARDX Common Stock Sale $31,860 -5,576 -0.3% $5.71 1,856,991 20 Feb 2026 Direct F1
transaction ARDX Common Stock Sale $11.4 -2 -0% $5.70 1,856,989 20 Feb 2026 Direct F1
transaction ARDX Common Stock Sale $5.7 -1 -0% $5.70 1,856,988 20 Feb 2026 Direct F1
transaction ARDX Common Stock Sale $11.4 -2 -0% $5.70 1,856,986 20 Feb 2026 Direct F1
holding ARDX Common Stock 24,364 20 Feb 2026 Family Trust F2
holding ARDX Common Stock 1,000 20 Feb 2026 Family Trust F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.