Quick Takeaways
- ARDX - ARDELYX, INC. has 28 insiders with reported activity on this page.
- Net insider value flow over the last year: +$2,020,624.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 28 Insiders of ARDELYX, INC.
- Symbol
- ARDX on Nasdaq
- Location
- Fremont, CA
What Changed
- Buy value: $5,349,528; sell value: $3,328,903.
- Net share flow: +621,978.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to buying over the last 12 months. Net value: +$2,020,624.
Buys
$5,349,528
Shares: 1,214,710
Insiders: 1
Sells
$3,328,904
Shares: 592,732
Insiders: 10
Net
+$2,020,624
Shares: +621,978
Insiders: -9
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 333,333 | 170,270 | $1,946,331 | $1,012,248 | +$934,083 |
| 3-6 | 0 | 131,768 | $0 | $801,641 | -$801,641 |
| 6-9 | 0 | 165,551 | $0 | $997,143 | -$997,143 |
| 9-12 | 881,377 | 125,143 | $3,403,196 | $517,871 | +$2,885,325 |
ARDELYX, INC. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| David M. Mott | Director | $19,285,738 | +$5,349,528 | +38% | Filing P/S | 20 Feb 2026 |
| Forest Baskett | 10%+ Owner | $14,998,764 | Mixed | 09 Dec 2021 | ||
| Scott D. Sandell | 10%+ Owner | $14,998,764 | Mixed | 09 Dec 2021 | ||
| Michael Raab | President & CEO, Director | $11,627,683 | -$1,671,648 | -13% | Mixed | 16 Mar 2026 |
| Susan Rodriguez | Chief Commercial Officer | $3,844,258 | Mixed | 21 May 2024 | ||
| Eric D. Foster | Chief Commercial Officer | $2,903,800 | -$194,260 | -6.3% | Mixed | 20 Feb 2026 |
| Justin A. Renz | Chief Financial Officer | $2,902,017 | -$71,201 | -2.4% | Mixed | 21 Aug 2025 |
| Laura A. Williams | Chief Patient Officer and interim Chief Medical Officer | $2,857,549 | -$985,309 | -26% | Mixed | 20 Feb 2026 |
| Mike Kelliher | Chief Business Officer | $2,556,063 | -$178,286 | -6.5% | Mixed | 20 Feb 2026 |
| David P. Rosenbaum | Chief Development Officer | $2,521,763 | Mixed | 20 Nov 2024 | ||
| Elizabeth A. Grammer | Chief Legal and Administrative Officer | $2,136,132 | -$92,297 | -4.1% | Mixed | 21 Nov 2025 |
| John E. Bishop | Chief Technical Operations Officer | $1,933,262 | -$18,586 | -0.95% | Filing P/S | 20 Feb 2026 |
| Robert Blanks | Chief Regulatory and Quality Affairs Officer | $1,843,891 | Mixed | 20 Nov 2024 | ||
| Edward R. Conner | Chief Medical Officer | $1,665,452 | Mixed | 01 Aug 2025 | ||
| Richard J. Rodgers | Director | $1,637,630 | Mixed | 18 Jun 2025 | ||
| James Parker Brady | Chief Human Resources Officer | $1,502,226 | -$14,868 | -0.98% | Filing P/S | 20 Feb 2026 |
| Susan Hohenleitner | Chief Financial Officer | $1,317,219 | -$11,886 | -0.89% | Filing P/S | 20 Feb 2026 |
| William Charles Bertrand | Director | $1,244,563 | Mixed | 18 Jun 2025 | ||
| Rajani Dinavahi | Chief Medical Officer | $1,171,830 | Mixed | 01 Apr 2026 | ||
| Jan M. Lundberg | Director | $1,088,942 | Mixed | 15 Jun 2023 | ||
| Joseph J. Reilly | Senior Vice President and Chief Accounting Officer | $865,248 | -$90,563 | -9.5% | Filing P/S | 20 Feb 2026 |
| Jeffrey W. Jacobs | Chief Scientific Officer | $793,367 | Mixed | 22 Nov 2021 | ||
| Robert Ora Felsch | SVP Finance and Chief Accounting Officer | $722,169 | Mixed | 20 Aug 2024 | ||
| Onaiza Cadoret-Manier | Director | $694,099 | Mixed | 18 Jun 2025 | ||
| Muna Bhanji | Director | $637,281 | Mixed | 18 Jun 2025 | ||
| Robert B. Bazemore | Director | $257,905 | Mixed | 18 Jun 2025 | ||
| Merdad Parsey | Director | $226,872 | Mixed | 18 Jun 2025 | ||
| Geoffrey A. Block | Director | $114,230 | Mixed | 15 Jun 2023 |
Top shareholders of ARDELYX, INC. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
8.7%
|
21,139,105
|
$123,240,982 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
7.8%
|
18,979,483
|
$110,650,386 | — | 31 Dec 2025 | |
| JANUS HENDERSON GROUP PLC |
13F
13D/G
|
Company |
5.7%
from 13D/G
|
14,514,692
|
$84,583,285 | — | 31 Dec 2025 | |
| INTEGRATED CORE STRATEGIES (US) LLC |
13D/G
|
Millennium Management LLC |
5.4%
|
13,121,781
|
$76,499,983 | $0 | 05 Jan 2026 | |
| STATE STREET CORP |
13F
13D/G
|
Company · STATE STREET CORPORATION |
4.9%
from 13D/G
|
11,912,339
|
$69,448,936 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
13D/G
|
Company |
3.2%
from 13D/G
|
11,909,511
|
$69,432,449 | — | 31 Dec 2025 | |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. |
13F
|
Company |
3.8%
|
9,328,744
|
$54,387,000 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
5,827,618
|
$33,980,836 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
2.1%
|
5,188,639
|
$30,249,766 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
2.1%
|
5,164,549
|
$30,109,321 | — | 31 Dec 2025 | |
| David M. Mott |
3/4/5
|
Director |
—
mixed-class rows
|
3,356,977
mixed-class rows
|
$19,285,738 | +$5,349,528 | 20 Feb 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.3%
|
3,064,746
|
$17,867,469 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.2%
|
2,873,969
|
$16,755,239 | — | 31 Dec 2025 | |
| Forest Baskett |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
2,258,850
|
$14,998,764 | — | 09 Dec 2021 | |
| Scott D. Sandell |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
2,258,850
|
$14,998,764 | — | 09 Dec 2021 | |
| MORGAN STANLEY |
13F
|
Company |
0.97%
|
2,358,806
|
$13,751,843 | — | 31 Dec 2025 | |
| Rock Springs Capital Management LP |
13F
|
Company |
0.95%
|
2,299,473
|
$13,405,928 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.91%
|
2,208,693
|
$12,876,677 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.87%
|
2,117,293
|
$12,343,818 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.85%
|
2,060,667
|
$12,013,689 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.83%
|
2,025,083
|
$11,806,235 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.83%
|
2,019,285
|
$11,772,430 | — | 31 Dec 2025 | |
| Michael Raab |
3/4/5
|
President & CEO, Director |
—
mixed-class rows
|
2,191,616
mixed-class rows
|
$11,627,683 | -$1,671,648 | 16 Mar 2026 | |
| ORACLE INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.77%
|
1,872,624
|
$10,917,398 | — | 31 Dec 2025 | |
| JONES FINANCIAL COMPANIES LLLP |
13F
|
Company |
0.76%
|
1,854,755
|
$10,813,222 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.74%
|
1,794,793
|
$10,463,643 | — | 31 Dec 2025 | |
| Eversept Partners, LP |
13F
|
Company |
0.71%
|
1,715,129
|
$9,999,202 | — | 31 Dec 2025 | |
| J. Goldman & Co LP |
13F
|
Company |
0.67%
|
1,622,736
|
$9,460,551 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.59%
|
1,424,878
|
$8,307,039 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.58%
|
1,411,267
|
$8,227,687 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.55%
|
1,348,700
|
$7,862,921 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.55%
|
1,327,453
|
$7,739,051 | — | 31 Dec 2025 | |
| AIGH Capital Management LLC |
13F
|
Company |
0.47%
|
1,150,000
|
$6,704,500 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.45%
|
1,096,117
|
$6,390,362 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.43%
|
1,036,492
|
$6,042,748 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.41%
|
1,000,926
|
$5,835,399 | — | 31 Dec 2025 | |
| Hennion & Walsh Asset Management, Inc. |
13F
|
Company |
0.39%
|
959,540
|
$5,594,118 | — | 31 Dec 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.39%
|
958,690
|
$5,589,163 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.32%
|
776,205
|
$4,525,275 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.31%
|
763,364
|
$4,450,412 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.3%
|
736,190
|
$4,291,987 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.3%
|
723,158
|
$4,216,015 | — | 31 Dec 2025 | |
| Freestone Grove Partners LP |
13F
|
Company |
0.29%
|
699,133
|
$4,075,945 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.28%
|
677,436
|
$3,949,449 | — | 31 Dec 2025 | |
| Susan Rodriguez |
3/4/5
|
Chief Commercial Officer |
—
mixed-class rows
|
594,092
mixed-class rows
|
$3,844,258 | — | 21 May 2024 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.27%
|
659,160
|
$3,842,903 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.24%
|
578,344
|
$3,371,746 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.21%
|
500,195
|
$2,916,137 | — | 31 Dec 2025 | |
| Y-Intercept (Hong Kong) Ltd |
13F
|
Company |
0.21%
|
499,668
|
$2,913,064 | — | 31 Dec 2025 | |
| Eric D. Foster |
3/4/5
|
Chief Commercial Officer |
—
mixed-class rows
|
632,885
mixed-class rows
|
$2,903,800 | -$194,260 | 20 Feb 2026 |
Recent Insider Transactions by Companies or Individuals for ARDELYX, INC.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Michael Raab | ARDX | Common Stock | Sale | -2.24% | $243,329 | $5.84 | -41,666 | 1,816,448 | 16 Mar 2026 | Direct |
| Michael Raab | ARDX | Common Stock | Options Exercise | 1.13% | 20,833 | 1,856,986 | 16 Mar 2026 | Direct | ||
| Michael Raab | ARDX | Stock Option (Right to Buy) | Options Exercise | -5.27% | -20,833 | 374,168 | 16 Mar 2026 | Direct | ||
| Michael Raab | ARDX | Common Stock | Sale | -2.22% | $260,621 | $6.26 | -41,666 | 1,836,153 | 24 Feb 2026 | Direct |
| Michael Raab | ARDX | Common Stock | Options Exercise | 1.12% | 20,833 | 1,877,819 | 24 Feb 2026 | Direct | ||
| Michael Raab | ARDX | Stock Option (Right to Buy) | Options Exercise | -5.01% | -20,833 | 395,001 | 24 Feb 2026 | Direct | ||
| David M. Mott | ARDX | Common Stock | Purchase | 11.2% | $1,946,331 | $5.84 | 333,333 | 3,302,918 | 20 Feb 2026 | Direct |
| John E. Bishop | ARDX | Common Stock | Sale | -0.93% | $18,586 | $5.85 | -3,179 | 339,151 | 20 Feb 2026 | Direct |
| Joseph J. Reilly | ARDX | Common Stock | Sale | -3.18% | $29,181 | $5.85 | -4,991 | 151,790 | 20 Feb 2026 | Direct |
| Laura A. Williams | ARDX | Common Stock | Sale | -1.84% | $47,803 | $5.85 | -8,176 | 436,082 | 20 Feb 2026 | Direct |
| Susan Hohenleitner | ARDX | Common Stock | Sale | -0.87% | $11,886 | $5.85 | -2,033 | 230,533 | 20 Feb 2026 | Direct |
| James Parker Brady | ARDX | Common Stock | Sale | -0.96% | $14,868 | $5.85 | -2,543 | 262,912 | 20 Feb 2026 | Direct |
| Mike Kelliher | ARDX | Common Stock | Sale | -2.56% | $56,099 | $5.85 | -9,595 | 364,666 | 20 Feb 2026 | Direct |
| Michael Raab | ARDX | Common Stock | Sale | -2.42% | $268,841 | $5.85 | -45,982 | 1,856,986 | 20 Feb 2026 | Direct |
| Eric D. Foster | ARDX | Common Stock | Sale | -2.39% | $61,034 | $5.85 | -10,439 | 425,970 | 20 Feb 2026 | Direct |
| Joseph J. Reilly | ARDX | Common Stock | Award | 41.8% | 46,200 | 156,781 | 23 Jan 2026 | Direct | ||
| Joseph J. Reilly | ARDX | Stock Option (Right to Buy) | Award | 69,360 | 69,360 | 23 Jan 2026 | Direct | |||
| Mike Kelliher | ARDX | Common Stock | Award | 38% | 103,080 | 374,261 | 23 Jan 2026 | Direct | ||
| Mike Kelliher | ARDX | Stock Option (Right to Buy) | Award | 154,625 | 154,625 | 23 Jan 2026 | Direct | |||
| Susan Hohenleitner | ARDX | Common Stock | Award | 58.3% | 85,670 | 232,566 | 23 Jan 2026 | Direct | ||
| Susan Hohenleitner | ARDX | Stock Option (Right to Buy) | Award | 128,505 | 128,505 | 23 Jan 2026 | Direct | |||
| Eric D. Foster | ARDX | Common Stock | Award | 46.2% | 137,945 | 436,409 | 23 Jan 2026 | Direct | ||
| Eric D. Foster | ARDX | Stock Option (Right to Buy) | Award | 206,915 | 206,915 | 23 Jan 2026 | Direct | |||
| James Parker Brady | ARDX | Common Stock | Award | 59.9% | 99,455 | 265,455 | 23 Jan 2026 | Direct | ||
| James Parker Brady | ARDX | Stock Option (Right to Buy) | Award | 149,185 | 149,185 | 23 Jan 2026 | Direct | |||
| Laura A. Williams | ARDX | Common Stock | Award | 22.9% | 82,695 | 444,258 | 23 Jan 2026 | Direct | ||
| Laura A. Williams | ARDX | Stock Option (Right to Buy) | Award | 124,040 | 124,040 | 23 Jan 2026 | Direct | |||
| Michael Raab | ARDX | Common Stock | Award | 30.6% | 446,220 | 1,902,968 | 23 Jan 2026 | Direct | ||
| Michael Raab | ARDX | Stock Option (Right to Buy) | Award | 669,330 | 669,330 | 23 Jan 2026 | Direct | |||
| John E. Bishop | ARDX | Common Stock | Award | 57% | 124,330 | 342,330 | 23 Jan 2026 | Direct | ||
| John E. Bishop | ARDX | Stock Option (Right to Buy) | Award | 186,500 | 186,500 | 23 Jan 2026 | Direct | |||
| Laura A. Williams | ARDX | Common Stock | Sale | -12.2% | $348,900 | $6.98 | -50,000 | 361,563 | 08 Jan 2026 | Direct |
| Laura A. Williams | ARDX | Common Stock | Options Exercise | 13.9% | 50,000 | 409,896 | 08 Jan 2026 | Direct | ||
| Laura A. Williams | ARDX | Stock Option (Right to Buy) | Options Exercise | 0 | 62,000 | 08 Jan 2026 | Direct | |||
| Elizabeth A. Grammer | ARDX | Common Stock | Sale | -1.96% | $33,194 | $5.54 | -5,995 | 299,895 | 21 Nov 2025 | Direct |
| Michael Raab | ARDX | Common Stock | Sale | -3.12% | $259,609 | $5.54 | -46,887 | 1,455,363 | 21 Nov 2025 | Direct |
| Mike Kelliher | ARDX | Common Stock | Sale | -2.01% | $30,785 | $5.54 | -5,560 | 271,181 | 21 Nov 2025 | Direct |
| Laura A. Williams | ARDX | Common Stock | Sale | -1.75% | $35,580 | $5.54 | -6,426 | 359,896 | 21 Nov 2025 | Direct |
| Eric D. Foster | ARDX | Common Stock | Sale | -1.93% | $32,192 | $5.54 | -5,814 | 295,684 | 21 Nov 2025 | Direct |
| Joseph J. Reilly | ARDX | Common Stock | Sale | -9.24% | $61,382 | $5.54 | -11,086 | 108,914 | 21 Nov 2025 | Direct |
| Laura A. Williams | ARDX | Common Stock | Sale | -17.9% | $489,680 | $6.12 | -80,000 | 366,322 | 26 Aug 2025 | Direct |
| Laura A. Williams | ARDX | Common Stock | Options Exercise | 12.6% | 50,000 | 446,322 | 26 Aug 2025 | Direct | ||
| Laura A. Williams | ARDX | Stock Option (Right to Buy) | Options Exercise | -30.9% | -50,000 | 112,000 | 26 Aug 2025 | Direct | ||
| Mike Kelliher | ARDX | Common Stock | Sale | -1.92% | $32,132 | $5.93 | -5,417 | 276,741 | 21 Aug 2025 | Direct |
| Laura A. Williams | ARDX | Common Stock | Sale | -1.56% | $37,138 | $5.93 | -6,261 | 396,322 | 21 Aug 2025 | Direct |
| Justin A. Renz | ARDX | Common Stock | Sale | -1.69% | $41,741 | $5.93 | -7,037 | 409,052 | 21 Aug 2025 | Direct |
| Michael Raab | ARDX | Common Stock | Sale | -2.95% | $271,002 | $5.93 | -45,687 | 1,502,250 | 21 Aug 2025 | Direct |
| Elizabeth A. Grammer | ARDX | Common Stock | Sale | -1.87% | $34,647 | $5.93 | -5,841 | 305,890 | 21 Aug 2025 | Direct |
| Eric D. Foster | ARDX | Common Stock | Sale | -4.83% | $90,802 | $5.93 | -15,308 | 301,498 | 21 Aug 2025 | Direct |
| Robert B. Bazemore | ARDX | Common Stock | Award | 41,551 | 41,551 | 18 Jun 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.