Notice of Proposed Sale · 144
Ardelyx, Inc.
ARDXNASDAQEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- ARDELYX, INC.
- Issuer CIK
- 0001437402
- SEC file number
- 001-36485
- Phone
- 510-745-7047
- Person for whose account securities are to be sold
- Foster Eric Duane
- Relationships to issuer
- Officer
- Street
- 400 Fifth Avenue, Suite 210
- City
- Waltham
- State / country code
- MA
- Postal code
- 02451
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Common Stock | 11,900 | 47,957.00 | 249,187,572 | 08/21/2026 | NASDAQ | Morgan Stanley Smith Barney LLC, Executive Financial Services |
Broker / market maker — proposed row 1, entry 1
- Name
- Morgan Stanley Smith Barney LLC, Executive Financial Services
- Street
- 1 New York Plaza, 8th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10004
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Common Stock | 08/19/2026 | Vesting of restricted stock units | Issuer | 28,415 | N | 08/19/2026 | Services Rendered |
Sales reported in the preceding three months
| Seller | Security | Sale date | Amount sold | Gross proceeds |
|---|---|---|---|---|
| Eric Duane Foster | Common Stock | 05/21/2026 | 3,166 | 19,842.91 |
| Eric Duane Foster | Common Stock | 05/21/2026 | 2,427 | 15,211.22 |
| Eric Duane Foster | Common Stock | 05/21/2026 | 2,405 | 15,073.34 |
Seller — prior-sale row 1, entry 1
- Name
- Eric Duane Foster
- Street
- 400 Fifth Avenue, Suite 210
- City
- Waltham
- State / country code
- MA
- Postal code
- 02451
Seller — prior-sale row 2, entry 1
- Name
- Eric Duane Foster
- Street
- 400 Fifth Avenue, Suite 210
- City
- Waltham
- State / country code
- MA
- Postal code
- 02451
Seller — prior-sale row 3, entry 1
- Name
- Eric Duane Foster
- Street
- 400 Fifth Avenue, Suite 210
- City
- Waltham
- State / country code
- MA
- Postal code
- 02451
Prior-sale reporting
- Nothing to report for the preceding three months
- N
Remarks
Pursuant to an automatic sell-to-cover imposed by the terms of the initial grant of the restricted stock units (RSUs) awards, the shares are to be sold upon the vesting of the RSUs solely to cover applicable withholding taxes.
Notice signature
- Notice date
- 08/21/2026
- Signed
- Orlando Wells