SEC ownership of ARDELYX, INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001437402.

Comparable stake leader

INTEGRATED CORE STRATEGIES (US) LLC

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

20 Apr 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
INTEGRATED CORE STRATEGIES (US) LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
20 Apr 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001437402
Issuer location
Fremont, CA

Ownership snapshot

Top shareholders of ARDELYX, INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
INTEGRATED CORE STRATEGIE...
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
20 Apr 2026
13D/G 13F 3/4/5 Lead comparable stake: 7.4% 13D/G row: INTEGRATED CORE STRATEGIES (US) LLC Showing 1-8 of 50 holder rows.

Quick read

INTEGRATED CORE STRATEGIES (US) LLC leads the comparable SEC ownership view at 7.4%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens INTEGRATED CORE STRATEGIES (US) LLC's linked filing trail.
Comparable ownership Top 5
INTEGRATED CORE STRATEGIES (US) LLC 7.4%
STATE STREET CORP 5.5%
JANUS HENDERSON GROUP PLC 3.4%
MILLENNIUM MANAGEMENT LLC 3.2%
Edward R. Conner 0.12%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
INTEGRATED CORE STRATEGIES (US) LLC
13D/G
Millennium Management LLC
7.4%
$108,083,380
18,043,970 shares
+$29,483,912 31 Mar 2026
STATE STREET CORP
13D/G 13F
STATE STREET CORPORATION · Company
5.5%
$83,122,316
13,604,307 shares
+$12,289,611 31 Mar 2026
JANUS HENDERSON GROUP PLC
13D/G 13F
Company
3.4%
$51,148,240
8,371,234 shares
-$33,316,968 31 Mar 2026
MILLENNIUM MANAGEMENT LLC
13F 13D/G
Company
3.2%
from 13D/G
$106,875,796
17,842,370 shares
31 Mar 2026
Edward R. Conner
3/4/5
Chief Medical Officer
0.12%
$1,665,452
302,260 shares
01 Aug 2025
Felecia Ettenberg
3/4/5
Chief Legal Officer
0.1%
$1,419,630
237,000 shares
20 Apr 2026
Rajani Dinavahi
3/4/5
Chief Medical Officer
0.08%
$1,171,830
201,000 shares
01 Apr 2026
BlackRock, Inc.
13F
Company
13F
8.6%
$126,773,151
21,164,132 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$2,656,043.

Buys
$1,946,331
Insiders: 1
Sells
$4,602,374
Insiders: 10
Net
-$2,656,043
Shares: -427,463
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 333,333 Shares: 760,796
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 293,207 $0 $1,791,342 -$1,791,342
3-6 333,333 220,270 $1,946,331 $1,361,148 +$585,183
6-9 0 81,768 $0 $452,741 -$452,741
9-12 0 165,551 $0 $997,143 -$997,143

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 29 reporting-owner rows connected to ARDELYX, INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
29
Largest Forms 3/4/5 holder
David M. Mott
Net 12M change
-$2,656,043
Latest report
18 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
David M. Mott Director $20,064,433 +$1,946,331 +11% Median 16 Jun 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 $10,657,599 -$2,406,447 -18% Mixed 15 Jun 2026
Susan Rodriguez Chief Commercial Officer $3,844,258 Mixed 21 May 2024
Eric D. Foster Chief Commercial Officer $3,095,283 -$234,155 -7% Mixed 21 May 2026
Justin A. Renz Chief Financial Officer $2,902,017 -$41,741 -1.4% Mixed 21 Aug 2025
Mike Kelliher Chief Business Officer $2,715,761 -$164,443 -5.7% Mixed 21 May 2026
Richard J. Rodgers Director $2,635,588 Median 16 Jun 2026
Laura A. Williams Chief Patient Officer $2,630,873 -$1,493,393 -36% Mixed 18 Jun 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 -$67,841 -3.1% Mixed 21 Nov 2025
John E. Bishop Chief Technical and Quality Officer $2,111,176 -$33,039 -1.5% Filing P/S 21 May 2026
William C. Bertrand Jr. Director $2,067,110 Mixed 16 Jun 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
James Parker Brady Chief Human Resources Officer $1,636,231 -$26,438 -1.6% Filing P/S 21 May 2026
Susan Hohenleitner Chief Financial Officer $1,435,746 -$21,005 -1.4% Filing P/S 21 May 2026
Felecia Ettenberg Chief Legal Officer $1,419,630 Median 20 Apr 2026
Rajani Dinavahi Chief Medical Officer $1,171,830 Mixed 01 Apr 2026

Recent insider transactions for ARDELYX, INC.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Laura A. Williams ARDX Common Stock Sale -17.8% $490,487 $5.99 -81,898 378,195 18 Jun 2026 Direct
Laura A. Williams ARDX Common Stock Options Exercise 7.22% 31,000 460,093 18 Jun 2026 Direct
Laura A. Williams ARDX Stock Option (Right to Buy) Options Exercise -50% -31,000 31,000 18 Jun 2026 Direct
Merdad Parsey ARDX Common Stock Award 46.2% 26,455 83,746 16 Jun 2026 Direct
Merdad Parsey ARDX Stock Option (Right to Buy) Award 39,715 39,715 16 Jun 2026 Direct
Richard J. Rodgers ARDX Common Stock Award 6.4% 26,455 439,998 16 Jun 2026 Direct
Richard J. Rodgers ARDX Stock Option (Right to Buy) Award 39,715 39,715 16 Jun 2026 Direct
David M. Mott ARDX Common Stock Award 1.42% 46,737 3,349,655 16 Jun 2026 Direct
David M. Mott ARDX Stock Option (Right to Buy) Award 39,715 39,715 16 Jun 2026 Direct
Onaiza Cadoret-Manier ARDX Common Stock Award 17.4% 26,455 178,156 16 Jun 2026 Direct
Onaiza Cadoret-Manier ARDX Stock Option (Right to Buy) Award 39,715 39,715 16 Jun 2026 Direct
Muna Bhanji ARDX Common Stock Award 19.3% 26,455 163,808 16 Jun 2026 Direct
Muna Bhanji ARDX Stock Option (Right to Buy) Award 39,715 39,715 16 Jun 2026 Direct
William C. Bertrand Jr. ARDX Common Stock Award 13.4% 38,800 329,507 16 Jun 2026 Direct
William C. Bertrand Jr. ARDX Stock Option (Right to Buy) Award 39,715 39,715 16 Jun 2026 Direct
Robert B. Bazemore ARDX Common Stock Award 63.7% 26,455 68,006 16 Jun 2026 Direct
Robert B. Bazemore ARDX Stock Option (Right to Buy) Award 39,715 39,715 16 Jun 2026 Direct
Michael Raab ARDX Common Stock Sale -2.39% $236,346 $5.67 -41,666 1,699,200 15 Jun 2026 Direct
Michael Raab ARDX Common Stock Options Exercise 1.21% 20,833 1,740,866 15 Jun 2026 Direct
Michael Raab ARDX Stock Option (Right to Buy) Options Exercise -6.27% -20,833 311,668 15 Jun 2026 Direct
Joseph J. Reilly ARDX Common Stock Sale -2.43% $23,309 $6.27 -3,719 149,107 21 May 2026 Direct
Susan Hohenleitner ARDX Common Stock Sale -0.63% $9,119 $6.27 -1,455 229,078 21 May 2026 Direct
John E. Bishop ARDX Common Stock Sale -0.68% $14,453 $6.27 -2,306 336,845 21 May 2026 Direct
James Parker Brady ARDX Common Stock Sale -0.7% $11,570 $6.27 -1,846 261,066 21 May 2026 Direct
Eric D. Foster ARDX Common Stock Sale -1.88% $50,127 $6.27 -7,998 417,972 21 May 2026 Direct
Mike Kelliher ARDX Common Stock Sale -1.99% $45,427 $6.27 -7,248 357,418 21 May 2026 Direct
Laura A. Williams ARDX Common Stock Sale -1.6% $43,804 $6.27 -6,989 429,093 21 May 2026 Direct
Michael Raab ARDX Common Stock Sale -3.08% $343,133 $6.27 -54,748 1,720,033 21 May 2026 Direct
Michael Raab ARDX Common Stock Sale -2.29% $261,612 $6.28 -41,666 1,774,781 15 May 2026 Direct
Michael Raab ARDX Common Stock Options Exercise 1.16% 20,833 1,816,447 15 May 2026 Direct
Michael Raab ARDX Stock Option (Right to Buy) Options Exercise -5.9% -20,833 332,501 15 May 2026 Direct
Michael Raab ARDX Common Stock Sale -2.27% $261,954 $6.29 -41,668 1,795,614 15 Apr 2026 Direct
Michael Raab ARDX Common Stock Options Exercise 1.15% 20,834 1,837,282 15 Apr 2026 Direct
Michael Raab ARDX Stock Option (Right to Buy) Options Exercise -5.57% -20,834 353,334 15 Apr 2026 Direct
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
* marks a reported price that did not pass the local price check.
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