ARDX — ARDELYX, INC.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
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Measured signals that fired on ARDX
| date | signal | measured base rate |
|---|---|---|
| 2026-08-07 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-07 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-08-03 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-07-30 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-06-29 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-02 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-15 | RAAB MICHAEL President & CEO | Open-market sale 10b5-1 plan | 41.7K | 5.06 | 210.9K |
| 2026-07-15 | RAAB MICHAEL President & CEO | Option exercise 10b5-1 plan | 20.8K | 0.99 | 20.6K |
| 2026-06-18 | Williams Laura A Chief Patient Officer | Open-market sale 10b5-1 plan | 81.9K | 5.99 | 490.5K |
| 2026-06-18 | Williams Laura A Chief Patient Officer | Option exercise 10b5-1 plan | 31.0K | 0.99 | 30.7K |
| 2026-06-16 | MOTT DAVID M Director | Grant or award | 26.5K | 0.00 | 0 |
| 2026-06-16 | Bertrand William C JR Director | Grant or award | 12.3K | 0.00 | 0 |
| 2026-06-16 | Bazemore Robert B Director | Grant or award | 26.5K | 0.00 | 0 |
| 2026-06-16 | Rodgers Richard J Director | Grant or award | 26.5K | 0.00 | 0 |
| 2026-06-16 | Bertrand William C JR Director | Grant or award | 26.5K | 0.00 | 0 |
| 2026-06-16 | MOTT DAVID M Director | Grant or award | 20.3K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 126.8M | 21.2M |
| MILLENNIUM MANAGEMENT LLC | 106.9M | 17.8M |
| STATE STREET CORP | 81.5M | 13.6M |
| VANGUARD CAPITAL MANAGEMENT LLC | 62.1M | 10.4M |
| JANUS HENDERSON GROUP PLC | 50.1M | 8.4M |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 48.9M | 8.2M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 39.9M | 6.7M |
| GEODE CAPITAL MANAGEMENT, LLC | 36.0M | 6.0M |
| Nuveen, LLC | 31.4M | 5.2M |
| TWO SIGMA INVESTMENTS, LP | 25.6M | 4.3M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 8-K | 2026-08-17 | 2026-08-11 | on EDGAR ↗ |
| SCHEDULE 13G | 2026-08-14 | — | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-08-11 | — | on EDGAR ↗ |
| S-8 | 2026-08-10 | — | on EDGAR ↗ |
| 10-Q | 2026-08-06 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-08-06 | 2026-08-06 | on EDGAR ↗ |
| 4 | 2026-07-17 | 2026-07-15 | on EDGAR ↗ |
| 8-K | 2026-07-02 | 2026-06-29 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Ardelyx (ARDX) Securities Investigation Notice - Levi & Korsinsky · 2026-08-20
- Ardelyx, Inc. (ARDX) filed form 8-K · 2026-08-17 · SEC EDGAR
- ARDELYX, INC. (ARDX) filed form 8-K · 2026-08-17 · SEC EDGAR
- ARDX SHAREHOLDER INVESTIGATION: SueWallSt Notifies Investors of Potential Securities Claims Involving Ardelyx · 2026-08-14
- Ardelyx Investigation Notice: Levi & Korsinsky Notifies Investors of Pending Investigation Into Ardelyx (ARDX) · 2026-08-14
- Ardelyx (ARDX) Q2 2026 Earnings Call Transcript · 2026-08-14
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