Ardelyx, Inc.

ARDXNASDAQHealthcare● Active

$5.54

$-0.02(-0.36%)

Market Cap$1.4B

P/E Ratio—

52W High$8.4

52W Low$3.49

Avg Volume3.5M

Open$5.58

Beta0.58

Insider Trades Ownership Employees

Ardelyx, Inc. (ARDX) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · ARDX · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.02

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 2%Active transactions only · RSU vesting excluded98% Sell ↓

Ardelyx, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

ARDX insider buying and selling by quarter

ARDX insider selling · ARDX insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

3.5M1.7M0

2024 Q3

2024 Q4

2025 Q1

2025 Q2

2025 Q3

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · ARDX ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

ARDX executive sell shares · ARDX board member insider trading · ARDX insider trading SEC filing

Showing 74 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
May 21, 2026	Reilly Joseph James See Remarks	Sale	1,036	$6.27	$6K	149,836	Form 4
May 21, 2026	Reilly Joseph James See Remarks	Sale	2,683	$6.27	$17K	149,107	Form 4
May 21, 2026	Hohenleitner Susan CFO	Sale	1,455	$6.27	$9K	229,078	Form 4
May 21, 2026	Bishop John E See Remarks	Sale	2,306	$6.27	$14K	336,845	Form 4
May 21, 2026	Brady James Parker Chief Human Resources Officer	Sale	1,846	$6.27	$12K	261,066	Form 4
May 21, 2026	Foster Eric Duane Chief Commercial Officer	Sale	3,166	$6.27	$20K	422,804	Form 4
May 21, 2026	Foster Eric Duane Chief Commercial Officer	Sale	2,427	$6.27	$15K	420,377	Form 4
May 21, 2026	Foster Eric Duane Chief Commercial Officer	Sale	2,405	$6.27	$15K	417,972	Form 4
May 21, 2026	Kelliher Mike Chief Business Officer	Sale	2,900	$6.27	$18K	361,766	Form 4
May 21, 2026	Kelliher Mike Chief Business Officer	Sale	1,870	$6.27	$12K	359,896	Form 4
May 21, 2026	Kelliher Mike Chief Business Officer	Sale	2,478	$6.27	$16K	357,418	Form 4
May 21, 2026	Williams Laura A Chief Patient Officer	Sale	1,503	$6.27	$9K	434,579	Form 4
May 21, 2026	Williams Laura A Chief Patient Officer	Sale	2,157	$6.27	$14K	432,422	Form 4
May 21, 2026	Williams Laura A Chief Patient Officer	Sale	1,911	$6.27	$12K	430,511	Form 4
May 21, 2026	Williams Laura A Chief Patient Officer	Sale	1,418	$6.27	$9K	429,093	Form 4
May 21, 2026	RAAB MICHAEL President & CEO · Director	Sale	14,933	$6.27	$94K	1,759,848	Form 4
May 21, 2026	RAAB MICHAEL President & CEO · Director	Sale	7,861	$6.27	$49K	1,751,987	Form 4
May 21, 2026	RAAB MICHAEL President & CEO · Director	Sale	17,926	$6.27	$112K	1,734,061	Form 4
May 21, 2026	RAAB MICHAEL President & CEO · Director	Sale	14,028	$6.27	$88K	1,720,033	Form 4
May 15, 2026	RAAB MICHAEL President & CEO · Director	Option	20,833	$0.99	$21K	1,816,447	Form 4
May 15, 2026	RAAB MICHAEL President & CEO · Director	Sale	41,666	$6.28	$262K	1,774,781	Form 4
Apr 15, 2026	RAAB MICHAEL President & CEO · Director	Option	20,834	$0.99	$21K	1,837,282	Form 4
Apr 15, 2026	RAAB MICHAEL President & CEO · Director	Sale	41,668	$6.29	$262K	1,795,614	Form 4
Mar 16, 2026	RAAB MICHAEL President & CEO · Director	Option	20,833	$0.99	$21K	1,856,986	Form 4
Mar 16, 2026	RAAB MICHAEL President & CEO · Director	Sale	41,666	$5.84	$243K	1,816,448	Form 4

Reilly Joseph James

See Remarks

Sale

Date

May 21

1,036

Price

$6.27

Value

$6K

View Form 4 on SEC.gov

Reilly Joseph James

See Remarks

Sale

Date

May 21

2,683

Price

$6.27

Value

$17K

View Form 4 on SEC.gov

Hohenleitner Susan

CFO

Sale

Date

May 21

1,455

Price

$6.27

Value

$9K

View Form 4 on SEC.gov

Bishop John E

See Remarks

Sale

Date

May 21

2,306

Price

$6.27

Value

$14K

View Form 4 on SEC.gov

Brady James Parker

Chief Human Resources Officer

Sale

Date

May 21

1,846

Price

$6.27

Value

$12K

View Form 4 on SEC.gov

Foster Eric Duane

Chief Commercial Officer

Sale

Date

May 21

3,166

Price

$6.27

Value

$20K

View Form 4 on SEC.gov

Foster Eric Duane

Chief Commercial Officer

Sale

Date

May 21

2,427

Price

$6.27

Value

$15K

View Form 4 on SEC.gov

Foster Eric Duane

Chief Commercial Officer

Sale

Date

May 21

2,405

Price

$6.27

Value

$15K

View Form 4 on SEC.gov

Kelliher Mike

Chief Business Officer

Sale

Date

May 21

2,900

Price

$6.27

Value

$18K

View Form 4 on SEC.gov

Kelliher Mike

Chief Business Officer

Sale

Date

May 21

1,870

Price

$6.27

Value

$12K

View Form 4 on SEC.gov

Kelliher Mike

Chief Business Officer

Sale

Date

May 21

2,478

Price

$6.27

Value

$16K

View Form 4 on SEC.gov

Williams Laura A

Chief Patient Officer

Sale

Date

May 21

1,503

Price

$6.27

Value

$9K

View Form 4 on SEC.gov

Williams Laura A

Chief Patient Officer

Sale

Date

May 21

2,157

Price

$6.27

Value

$14K

View Form 4 on SEC.gov

Williams Laura A

Chief Patient Officer

Sale

Date

May 21

1,911

Price

$6.27

Value

$12K

View Form 4 on SEC.gov

Williams Laura A

Chief Patient Officer

Sale

Date

May 21

1,418

Price

$6.27

Value

$9K

View Form 4 on SEC.gov

RAAB MICHAEL

President & CEO · Director

Sale

Date

May 21

14,933

Price

$6.27

Value

$94K

View Form 4 on SEC.gov

RAAB MICHAEL

President & CEO · Director

Sale

Date

May 21

7,861

Price

$6.27

Value

$49K

View Form 4 on SEC.gov

RAAB MICHAEL

President & CEO · Director

Sale

Date

May 21

17,926

Price

$6.27

Value

$112K

View Form 4 on SEC.gov

RAAB MICHAEL

President & CEO · Director

Sale

Date

May 21

14,028

Price

$6.27

Value

$88K

View Form 4 on SEC.gov

RAAB MICHAEL

President & CEO · Director

Option

Date

May 15

20,833

Price

$0.99

Value

$21K

View Form 4 on SEC.gov

RAAB MICHAEL

President & CEO · Director

Sale

Date

May 15

41,666

Price

$6.28

Value

$262K

View Form 4 on SEC.gov

RAAB MICHAEL

President & CEO · Director

Option

Date

Apr 15

20,834

Price

$0.99

Value

$21K

View Form 4 on SEC.gov

RAAB MICHAEL

President & CEO · Director

Sale

Date

Apr 15

41,668

Price

$6.29

Value

$262K

View Form 4 on SEC.gov

RAAB MICHAEL

President & CEO · Director

Option

Date

Mar 16

20,833

Price

$0.99

Value

$21K

View Form 4 on SEC.gov

RAAB MICHAEL

President & CEO · Director

Sale

Date

Mar 16

41,666

Price

$5.84

Value

$243K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 3

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About ARDX insider trading

ARDX insider trades

Ardelyx, Inc. (ARDX) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including RAAB MICHAEL (President & CEO · Director), Williams Laura A (Chief Patient Officer), Foster Eric Duane (Chief Commercial Officer). Over the past 12 months, 5 insiders have filed transactions with the SEC. ARDX insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Ardelyx, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

ARDX insider trading · 5 questions

The insiders of Ardelyx, Inc. (ARDX) include executives and directors such as RAAB MICHAEL (President & CEO · Director), Williams Laura A (Chief Patient Officer), Foster Eric Duane (Chief Commercial Officer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

ARDX board member insider tradingwho are ARDX insidersARDX insider rosterArdelyx, Inc. executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026