Ardelyx Inc is a biopharmaceutical company developing and commercialize, first-in-class medicines that meet unmet medical needs. It has developed a platform that enabled the discovery of new biological mechanisms and pathways to develop potent and efficacious therapies that minimize the side effects and drug-drug interactions frequently encountered with traditional, systemically absorbed medicines. Its products Tenapanor, branded as IBSRELA, is used for the treatment of adults with IBS-C. Tenapanor, branded as XPHOZAH, is used to reduce serum phosphorus in adults with CKD on dialysis as add-on therapy in patients who have an inadequate response to phosphate binders or who are intolerant of any dose of phosphate binder therapy.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 24 | 291,291 | $1.42M |
| Grant or award | 16 | 495,817 | |
| Option exercise | 6 | 145,334 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
84 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Open-market purchase | Common Stock | 200,000 | $3.63 | $726K | ||
| William C. Bertrand Jr. - Director | Grant or award | Common Stock | 19,390 | $0.00 | - | |
| William C. Bertrand Jr. - Director | Grant or award | Common Stock | 41,551 | $0.00 | - | |
| William C. Bertrand Jr. - Director | Grant or award | Stock Option (Right to Buy) | 54,059 | $0.00 | - | |
| Grant or award | Common Stock | 31,163 | $0.00 | - | ||
| Grant or award | Common Stock | 41,551 | $0.00 | - | ||
| Grant or award | Stock Option (Right to Buy) | 54,059 | $0.00 | - | ||
| Open-market purchase | Common Stock | 200,000 | $3.69 | $737K | ||
| Open-market sale | Common Stock | 5,992 | $4.08 | $24K | ||
| Open-market purchase | Common Stock | 100,000 | $3.29 | $329K | ||
| Open-market purchase | Common Stock | 381,377 | $4.22 | $1.61M | ||
| Option exercise | Common Stock | 100,000 | $0.55 | $55K | ||
| Option exercise | Stock Option (Right to Buy) | 100,000 | $0.00 | - | ||
| Open-market purchase | Common Stock | 213,300 | $4.67 | $997K | ||
| Option exercise | Common Stock | 25,000 | $0.99 | $25K | ||
| Open-market sale | Common Stock | 25,000 | $5.26 | $132K | ||
| Option exercise | Stock Option (Right to Buy) | 25,000 | $0.00 | - | ||
| Open-market sale | Common Stock | 25,000 | $5.38 | $134K | ||
| Robert Blanks - Officer | Open-market sale | Common Stock | 4,941 | $4.79 | $24K | |
| David P. Rosenbaum - Officer | Open-market sale | Common Stock | 4,941 | $4.79 | $24K | |
| David P. Rosenbaum - Officer | Open-market sale | Common Stock | 2,243 | $4.79 | $11K | |
| Open-market sale | Common Stock | 31,980 | $4.79 | $153K | ||
| Open-market sale | Common Stock | 7,046 | $4.79 | $34K | ||
| Open-market sale | Common Stock | 7,366 | $4.79 | $35K | ||
| Justin A. Renz - Officer | Open-market sale | Common Stock | 5,260 | $4.79 | $25K | |
| Open-market purchase | Common Stock | 215,868 | $4.62 | $997K | ||
| Open-market sale | Common Stock | 2,743 | $4.90 | $13K | ||
| David P. Rosenbaum - Officer | Option exercise | Common Stock | 27,171 | $2.32 | $63K | |
| David P. Rosenbaum - Officer | Open-market sale | Common Stock | 27,171 | $6.10 | $166K | |
| David P. Rosenbaum - Officer | Option exercise | Stock Option (Right to Buy) | 27,171 | $0.00 | - | |
| David P. Rosenbaum - Officer | Option exercise | Common Stock | 27,172 | $2.32 | $63K | |
| David P. Rosenbaum - Officer | Open-market sale | Common Stock | 27,172 | $5.95 | $162K | |
| David P. Rosenbaum - Officer | Option exercise | Stock Option (Right to Buy) | 27,172 | $2.32 | $63K | |
| Option exercise | Common Stock | 25,000 | $0.99 | $25K | ||
| Open-market sale | Common Stock | 25,000 | $5.91 | $148K | ||
| Option exercise | Stock Option (Right to Buy) | 25,000 | $0.00 | - | ||
| Open-market sale | Common Stock | 7,500 | $6.01 | $45K | ||
| David P. Rosenbaum - Officer | Open-market sale | Common Stock | 49,564 | $6.92 | $343K |
This is as far as the anonymous view goes. Create a free account for all 84 ARDX filings on record.
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Williams Laura A | Officer | 10,500 | $42K | View on EDGAR | |
| Bishop John E | Officer | 25,500 | $103K | View on EDGAR | |
| Kelliher Mike | Officer | 10,500 | $42K | View on EDGAR |
ARDELYX, INC. (ARDX) had 18 insider filings in the last 90 days, with the most recent on 2026-08-25. The full record for ARDX runs to 84 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of ARDX were filed in the last 90 days. 7 purchases are on record for this company.
24 insider sales of ARDX were filed in the last 90 days, totaling $1.42M.
This page tracks ARDX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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