SEC Form 4 · accession 0002034148-26-000007
ARDELYX, INC. · ARDX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Eric Duane Foster
Officer — Chief Commercial Officer
Period of report
Aug 21, 2026
Accepted (ET)
Aug 25, 2026 · 7:13 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001437402
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 21, 2026 | S | 2,598 | $3.8569 | D | 415,374 | D | |
| Common Stock | Aug 21, 2026 | S | 3,389 | $3.8569 | D | 411,985 | D | |
| Common Stock | Aug 21, 2026 | S | 2,575 | $3.8569 | D | 409,410 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Pursuant 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. The transaction was executed in multiple trades in prices ranging from $3.648 to $3.984, 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.