ARDELYX, INC. (ARDX)
$3.91+$0.10 (+2.62%) TodayExtended Hours
Eric Duane Foster - OfficerArdelyx 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 2 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
 David M. Mott | Open-market purchase | Common Stock | 333,333 | $5.84 | $1.95M | |
| John E. Bishop - Officer | Open-market sale | Common Stock | 2,792 | $5.87 | $16K | |
| John E. Bishop - Officer | Open-market sale | Common Stock | 386 | $5.71 | $2K | |
| John E. Bishop - Officer | Open-market sale | Common Stock | 1 | $5.70 | $6 | |
| Joseph James Reilly - Officer | Open-market sale | Common Stock | 4,387 | $5.87 | $26K | |
| Joseph James Reilly - Officer | Open-market sale | Common Stock | 602 | $5.71 | $3K | |
| Joseph James Reilly - Officer | Open-market sale | Common Stock | 2 | $5.70 | $11 | |
 Laura A. Williams - Officer | Open-market sale | Common Stock | 7,192 | $5.87 | $42K | |
| Laura A. Williams - Officer | Open-market sale | Common Stock | 984 | $5.71 | $6K | |
| Susan Hohenleitner - Officer | Open-market sale | Common Stock | 1,786 | $5.87 | $10K | |
| Susan Hohenleitner - Officer | Open-market sale | Common Stock | 247 | $5.71 | $1K | |
| James Parker Brady - Officer | Open-market sale | Common Stock | 2,234 | $5.87 | $13K | |
| James Parker Brady - Officer | Open-market sale | Common Stock | 309 | $5.71 | $2K | |
| Mike Kelliher - Officer | Open-market sale | Common Stock | 8,434 | $5.87 | $49K | |
| Mike Kelliher - Officer | Open-market sale | Common Stock | 1,159 | $5.71 | $7K | |
| Mike Kelliher - Officer | Open-market sale | Common Stock | 2 | $5.71 | $11 | |
 Michael Raab - Officer | Open-market sale | Common Stock | 40,401 | $5.87 | $237K | |
| Michael Raab - Officer | Open-market sale | Common Stock | 5,576 | $5.71 | $32K | |
| Michael Raab - Officer | Open-market sale | Common Stock | 2 | $5.70 | $11 | |
| Michael Raab - Officer | Open-market sale | Common Stock | 1 | $5.70 | $6 | |
| Michael Raab - Officer | Open-market sale | Common Stock | 2 | $5.70 | $11 | |
| Eric Duane Foster - Officer | Open-market sale | Common Stock | 9,176 | $5.87 | $54K | |
| Eric Duane Foster - Officer | Open-market sale | Common Stock | 1,261 | $5.71 | $7K | |
| Eric Duane Foster - Officer | Open-market sale | Common Stock | 1 | $5.71 | $6 | |
| Eric Duane Foster - Officer | Open-market sale | Common Stock | 1 | $5.70 | $6 | |
| Joseph James Reilly - Officer | Grant or award | Common Stock | 46,200 | $0.00 | - | |
| Joseph James Reilly - Officer | Grant or award | Stock Option (Right to Buy) | 69,360 | $0.00 | - | |
| Mike Kelliher - Officer | Grant or award | Common Stock | 103,080 | $0.00 | - | |
| Mike Kelliher - Officer | Grant or award | Stock Option (Right to Buy) | 154,625 | $0.00 | - | |
| Susan Hohenleitner - Officer | Grant or award | Common Stock | 85,670 | $0.00 | - | |
| Susan Hohenleitner - Officer | Grant or award | Stock Option (Right to Buy) | 128,505 | $0.00 | - | |
| Eric Duane Foster - Officer | Grant or award | Common Stock | 137,945 | $0.00 | - | |
| Eric Duane Foster - Officer | Grant or award | Stock Option (Right to Buy) | 206,915 | $0.00 | - | |
| Michael Raab - Officer | Grant or award | Common Stock | 446,220 | $0.00 | - | |
| Michael Raab - Officer | Grant or award | Stock Option (Right to Buy) | 669,330 | $0.00 | - | |
| James Parker Brady - Officer | Grant or award | Common Stock | 99,455 | $0.00 | - | |
| James Parker Brady - Officer | Grant or award | Stock Option (Right to Buy) | 149,185 | $0.00 | - | |
| Laura A. Williams - Officer | Grant or award | Common Stock | 82,695 | $0.00 | - | |
| Laura A. Williams - Officer | Grant or award | Stock Option (Right to Buy) | 124,040 | $0.00 | - | |
| John E. Bishop - Officer | Grant or award | Common Stock | 124,330 | $0.00 | - | |
| John E. Bishop - Officer | Grant or award | Stock Option (Right to Buy) | 186,500 | $0.00 | - | |
| Eric Duane Foster - Officer | Open-market sale | Common Stock | 5,814 | $5.54 | $32K | |
 Elizabeth A. Grammer - Officer | Open-market sale | Common Stock | 5,995 | $5.54 | $33K | |
| Michael Raab - Officer | Open-market sale | Common Stock | 46,887 | $5.54 | $260K | |
| Joseph James Reilly - Officer | Open-market sale | Common Stock | 11,086 | $5.54 | $61K | |
| Laura A. Williams - Officer | Open-market sale | Common Stock | 6,426 | $5.54 | $36K | |
| Mike Kelliher - Officer | Open-market sale | Common Stock | 5,560 | $5.54 | $31K | |
| Laura A. Williams - Officer | Option exercise | Common Stock | 50,000 | $0.99 | $50K | |
| Laura A. Williams - Officer | Open-market sale | Common Stock | 50,000 | $6.12 | $306K | |
| Laura A. Williams - Officer | Open-market sale | Common Stock | 30,000 | $6.12 | $184K | |
| Laura A. Williams - Officer | Option exercise | Stock Option (Right to Buy) | 50,000 | $0.00 | - | |
| Justin A. Renz - Officer | Open-market sale | Common Stock | 7,037 | $5.93 | $42K | |
| Michael Raab - Officer | Open-market sale | Common Stock | 45,687 | $5.93 | $271K | |
| Laura A. Williams - Officer | Open-market sale | Common Stock | 6,261 | $5.93 | $37K | |
| Mike Kelliher - Officer | Open-market sale | Common Stock | 5,417 | $5.93 | $32K | |
| Eric Duane Foster - Officer | Open-market sale | Common Stock | 15,308 | $5.93 | $91K | |
| Elizabeth A. Grammer - Officer | Open-market sale | Common Stock | 5,841 | $5.93 | $35K |
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.
Create a free InsiderAlpha account and press Watch on this page to add ARDX to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
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.
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
