Ardelyx, Inc.

Ardelyx, Inc.

ARDXยทNASDAQ

$5.43

-1.5%
HealthcareBiotechnology

Ardelyx, Inc., a biopharmaceutical company, discovers, develops, and commercializes medicines to treat gastrointestinal and cardiorenal therapeutic areas in the United States and internationally. The company's lead product candidate is tenapanor, which has completed Phase III clinical trial for the treatment of patients with irritable bowel syndrome with constipation, as well as in Phase III clinical trial to control serum phosphorus in adult patients with chronic kidney disease (CKD)on dialysis, or hyperphosphatemia. It is also developing RDX013, a potassium secretagogue, for the treatment of elevated serum potassium, or hyperkalemia, a problem among certain patients with kidney and/or heart disease; and RDX020, an early-stage program in metabolic acidosis, a serious electrolyte disorder in patients with CKD. The company has agreements with Kyowa Kirin in Japan, Fosun Pharmaceutical Industrial Development Co. Ltd. in China, and Knight Therapeutics, Inc. in Canada for the development and commercialization of tenapanor in their respective territories. The company was formerly known as Nteryx, Inc. and changed its name to Ardelyx, Inc. in June 2008. Ardelyx, Inc. was incorporated in 2007 and is headquartered in Waltham, Massachusetts.

At a Glance

Live Snapshot
Market Cap$1.34B
EPS-0.2600
P/E Ratio-20.90
Earnings Date08/03/2026
-9.89%
Return on Invested Capital
27%
3Y-76.0%
5Y-80.0%
10Y-83.0%
-36.90%
Return on Equity
63%
3Y-46.0%
5Y-51.0%
10Y-37.0%
-12.28%
Return on Assets
37%
3Y-65.0%
5Y-74.0%
10Y-77.0%
Ardelyx, Inc.

Ardelyx, Inc. Management Team

ARDX ยท NASDAQ
ME

Mr. Eric Duane Foster

Chief Commercial Officer

Born 1975(Age 51)
male
MJ

Mr. Justin A. Renz CPA, MBA

Chief Financial & Operations Officer

Compensation

$734,970

Born 1972(Age 54)
male
ME

Ms. Elizabeth A. Grammer Esq.

Chief Legal & Administrative Officer and Secretary

Compensation

$724,423

Born 1964(Age 62)
female
DL

Dr. Laura A. Williams M.D., M.P.H.

Chief Patient Officer

Compensation

$739,126

Born 1963(Age 63)
MM

Mr. Mike Kelliher

Executive Vice President of Corporate Development & Strategy

Compensation

$622,498

Born 1977(Age 49)
male
MD

Mr. David P. Rosenbaum Ph.D.

Head of Drug Discovery and Early Development

Compensation

$645,400

Born 1961(Age 65)
male
MM

Mr. Michael G. Raab

President, Chief Executive Officer & Director

Compensation

$1,271,044

Born 1965(Age 61)
male
MJ

Mr. Joseph Reilly

Senior Vice President of Finance & Principal Accounting Officer

Born 1974(Age 52)
male
MC

Ms. Caitlin Lowie

Vice President of Corporate Communications & Investor Relations

female
ardx

Ardelyx, Inc. Insider Positioning

ARDX ยท NASDAQ

During the last 12 months, insiders have purchased $1.95M and sold $2.16M worth of ARDX shares, resulting in $212K of net selling activity.

3 Months

Bought

0

0.00

Sold

126.0K

773.39K

Net Activity

-773K

-$773K

3-6 Months

Bought

333.3K

1.95M

Sold

94.5K

625.89K

Net Activity

+1.3M

+$1.32M

6-9 Months

Bought

0

0.00

Sold

81.8K

452.74K

Net Activity

-453K

-$453K

9-12 Months

Bought

0

0.00

Sold

50.0K

306.05K

Net Activity

-306K

-$306K

Top Buyers

1
MDM

Mott David M

Director

333.3K sharesโ€ข1 transactions

$1.95M

Top Sellers

1
RM

Raab Michael

Director, Officer: President & Ceo

213.6K sharesโ€ข5 transactions

$1.29M

2
WLA

Williams Laura A

Officer: Chief Patient Officer

106.4K sharesโ€ข3 transactions

$691K

3
RJJ

Reilly Joseph James

Officer: See Remarks

12.1K sharesโ€ข2 transactions

$68K

4
GEA

Grammer Elizabeth A

Officer: See Remarks

6.0K sharesโ€ข1 transactions

$33K

5
FED

Foster Eric Duane

Officer: Chief Commercial Officer

5.8K sharesโ€ข1 transactions

$32K

Insider Activity Analysis

Net Insider Sentiment

Bearish

Slightly bearish with $212K net selling. Selling modestly exceeds buying, which could be routine diversification rather than concern.

Buy/Sell Ratio

0.90:1

Moderately negative ratio. Selling is roughly double the buying, which may be routine or signal caution.

Recent Trend (3 Months)

$773K

Heavy recent selling activity. Recent insider sales notably exceed purchasesโ€”may warrant investigation into company developments.

Insider Participation

High Selling

5 insider sellers vs. 1 buyers. Widespread selling across multiple insiders may signal concerns.

Insider Activity Insight

Balanced insider activity: Roughly equal buying and selling suggests normal portfolio management rather than strong directional signals. Look to other metrics for clearer investment insights.

SEC Filings

ARDX - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
DEF 14A

DEF 14A 2026

N/A

April 29, 2026
June 16, 2026
2026
DEF 14A

DEF 14A 2025

N/A

April 30, 2025
June 18, 2025
2025
DEF 14A

DEF 14A 2024

N/A

April 29, 2024
June 14, 2024
2024
DEF 14A

DEF 14A 2023

N/A

April 26, 2023
June 15, 2023
2023
DEF 14A

DEF 14A 2022

N/A

April 29, 2022
June 15, 2022
2022
DEF 14A

DEF 14A 2021

N/A

April 30, 2021
June 16, 2021
2021
DEF 14A

DEF 14A 2020

N/A

April 27, 2020
June 09, 2020
2020
DEF 14A

DEF 14A 2019

N/A

April 26, 2019
June 13, 2019
2019
DEF 14A

DEF 14A 2018

N/A

April 26, 2018
June 13, 2018
2018
DEF 14A

DEF 14A 2017

N/A

April 25, 2017
June 07, 2017
2017
Showing 1 to 10 of 12 filings