Eric D. Foster - 20 Feb 2026 Form 4 Insider Report for ARDELYX, INC. (ARDX)

Role
Chief Commercial Officer
Signature
/s/ Elizabeth Grammer, Attorney-in-fact for Eric D. Foster
Issuer symbol
ARDX
Transactions as of
20 Feb 2026
Net transactions value
-$61,034
Form type
4
Filing time
23 Feb 2026, 20:45:03 UTC
Previous filing
26 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Foster Eric Duane Chief Commercial Officer C/O ARDELYX, INC., 400 FIFTH AVENUE, SUITE 210, WALTHAM /s/ Elizabeth Grammer, Attorney-in-fact for Eric D. Foster 23 Feb 2026 0002034148

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ARDX Common Stock Sale $53,817 -9,176 -2.1% $5.86 427,233 20 Feb 2026 Direct F1
transaction ARDX Common Stock Sale $7,205 -1,261 -0.3% $5.71 425,972 20 Feb 2026 Direct F1
transaction ARDX Common Stock Sale $5.7 -1 -0% $5.70 425,971 20 Feb 2026 Direct F1
transaction ARDX Common Stock Sale $5.7 -1 -0% $5.70 425,970 20 Feb 2026 Direct F1
* 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.