Ardelyx, Inc. ARDX NASDAQ

NASDAQ Global Market • Healthcare • Biotechnology • US • USD

SharesGrow Score

52/100

2/7 Pass

SharesGrow Intrinsic Value

Ardelyx, Inc. (ARDX) has 20 known insider and institutional holders on record. The largest holder is KERINS PATRICK J with 9,569,210 shares. Other notable holders include BARRETT M JAMES and New Enterprise Associates 12, Limited Partnership.

Over the last 12 months, insiders have made 58 transactions in ARDX stock — 21 buys (valued at $19.44M) and 26 sells (valued at $1.31M). Insider selling has exceeded buying during this period.

ARDX Insider Ownership

Top Holder

KERINS PATRICK J

9,569,210 shares

Buys (12 mo)

$19.44M value

Sells (12 mo)

$1.31M value

12-Month Transaction Activity

Buy 36%

Sell 45%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Kerins Patrick J	10 Percent Owner	9,569,210	2019-12-09	100%
2	Barrett M James	10 Percent Owner	9,169,210	2018-05-30	96%
3	New Enterprise Associates 12, Limited Partnership	10 Percent Owner	8,086,401	2020-06-12	85%
4	Sonsini Peter W.	10 Percent Owner	3,482,186	2019-12-09	36%
5	Barris Peter J	10 Percent Owner	3,482,186	2019-12-09	36%
6	Florence Anthony A. Jr.	10 Percent Owner	3,482,186	2019-12-09	36%
7	Makower Joshua	10 Percent Owner	3,482,186	2019-12-09	36%
8	Nea 15 Gp, Llc	10 Percent Owner	3,482,186	2019-12-09	36%
9	Makhzoumi Mohamad	10 Percent Owner	3,482,186	2019-12-09	36%
10	Mott David M	Director	3,302,918	2026-02-23	35%
11	Sakoda Jon	10 Percent Owner	3,082,186	2018-05-30	32%
12	Viswanathan Ravi	10 Percent Owner	3,082,186	2018-05-30	32%
13	Weller Harry R	10 Percent Owner	2,665,519	2016-07-20	28%
14	Kolluri Krishna Kittu	10 Percent Owner	2,665,519	2016-07-20	28%
15	Sandell Scott D	10 Percent Owner	2,476,756	2021-12-27	26%
16	Baskett Forest	10 Percent Owner	2,476,756	2021-12-27	26%
17	Drant Ryan D	10 Percent Owner	560,748	2015-06-09	6%
18	Rodriguez Susan	Chief Commercial Officer	449,092	2024-05-23	5%
19	Williams Laura A	See Remarks	436,082	2026-02-23	5%
20	Foster Eric Duane	Chief Commercial Officer	425,970	2026-02-23	4%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-04-01	Dinavahi Rajani	Chief Medical Officer	Unknown	301,000	$6.11	$1.84M
2026-03-16	Raab Michael	President & CEO	Option Exercise (Sell)	20,833	$0.99	$20.62K
2026-02-24	Raab Michael	President & CEO	Option Exercise (Sell)	20,833	$0.99	$20.62K
2026-02-20	Hohenleitner Susan	Chief Financial Officer	Informative Sell	247	$5.71	$1.41K
2026-02-20	Brady James Parker	Chief Human Resources Officer	Informative Sell	309	$5.71	$1.77K
2026-02-20	Reilly Joseph James	See Remarks	Informative Sell	2	$5.70	$11.40
2026-02-20	Foster Eric Duane	Chief Commercial Officer	Informative Sell	1	$5.70	$5.70
2026-02-20	Kelliher Mike	See Remarks	Informative Sell	2	$5.71	$11.41
2026-02-20	Williams Laura A	See Remarks	Informative Sell	984	$5.71	$5.62K
2026-02-20	Raab Michael	President & CEO	Informative Sell	2	$5.70	$11.40
2026-02-20	Bishop John E	See Remarks	Informative Sell	1	$5.70	$5.70
2026-02-20	Mott David M	Director	Informative Buy	333,333	$5.84	$1.95M
2026-01-23	Reilly Joseph James	See Remarks	RSU Award	69,360	$7.77	$538.93K
2026-01-23	Hohenleitner Susan	Chief Financial Officer	RSU Award	128,505	$7.77	$998.48K
2026-01-23	Brady James Parker	Chief Human Resources Officer	RSU Award	149,185	$7.77	$1.16M
2026-01-23	Foster Eric Duane	Chief Commercial Officer	RSU Award	206,915	$7.77	$1.61M
2026-01-23	Kelliher Mike	See Remarks	RSU Award	154,625	$7.77	$1.2M
2026-01-23	Williams Laura A	Chief Patient Officer	RSU Award	124,040	$7.77	$963.79K
2026-01-23	Raab Michael	President & CEO	RSU Award	669,330	$7.77	$5.2M
2026-01-23	Bishop John E	See Remarks	RSU Award	186,500	$7.77	$1.45M
2026-01-08	Williams Laura A	Chief Patient Officer	Option Exercise (Sell)	-	$0.99	-
2025-11-21	Reilly Joseph James	See Remarks	Informative Sell	11,086	$5.54	$61.38K
2025-11-21	Foster Eric Duane	Chief Commercial Officer	Informative Sell	5,814	$5.54	$32.19K
2025-11-21	Kelliher Mike	See Remarks	Informative Sell	5,560	$5.54	$30.79K
2025-11-21	Williams Laura A	Chief Patient Officer	Informative Sell	6,426	$5.54	$35.58K