Overview

Basic information

Litigation

Active legal matters

Material Events

8-K disclosures

SEC Filings

Key regulatory docs

Insider Transactions

Ownership changes

Overview

Basic information

Litigation

Active legal matters

Material Events

8-K disclosures

SEC Filings

Key regulatory docs

Insider Transactions

Ownership changes

Handled by Levi & Korsinsky

Our Active Case

Levi & Korsinsky is handling the case below on behalf of ARDX investors.

Active Case Accepting Submissions

Ardelyx, Inc. (ARDX) Class Action Lawsuit (September 2026)

1:26cv14270 · Filed September 17, 2026 1:26cv14270 · Filed Sep 17, 2026

Class Period

Jan 13, 2025 – Aug 6, 2026

Lead Plaintiff Deadline

November 16, 2026Nov 16, 2026

4 Days Left

Did you buy ARDX between Jan 13, 2025 and Aug 6, 2026?

You may be entitled to compensation. Submit your information for a free case evaluation — there is no cost or obligation to you.

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Or call 212-363-7500

Call 212-363-7500

Securities Class Action

Securities fraud litigation history and active cases

In Litigation

2

Settlement

0

Closed

1

Total Settlement

$0

ARDELYX, INC. (ARDX) Class Action Lawsuit (September 2026)

Active Case

1:26cv14270 • September 17, 2026

Class Period Start

January 13, 2025

Class Period End

August 6, 2026

PSLRA Deadline

November 16, 2026

Case Allegations

10b5

Statutes of Repose

Jan 13, 2028

Country

United States

Court

Federal Court

Docket History

Sep 17, 2026

First Filed Complaint

A securities fraud class action complaint has been filed on behalf of certain investors in ARDELYX, INC..

ARDELYX, INC. (ARDX) Class Action Lawsuit (August 2024)

In Litigation

26-1075 • August 16, 2024

Class Period Start

October 31, 2023

Class Period End

July 1, 2024

PSLRA Deadline

October 15, 2024

Case Allegations

10b5

Statutes of Repose

Oct 31, 2026

Country

United States

Court

Federal Court

Docket History

Jan 29, 2026

On Appeal

Dec 24, 2025

Motion to Dismiss Granted

The court has granted the defendants' request to dismiss the lawsuit. Depending on the court's decision, the plaintiffs may be allowed to file an updated complaint or pursue an appeal.

Mar 14, 2025

Motion to Dismiss

After reviewing the complaint(s) filed by plaintiffs, defendants have filed a motion requesting that the court dismiss some or all of the plaintiffs' claims. In a motion to dismiss, defendants might challenge the validity of plaintiffs' claims or adequacy of plaintiffs' pleadings. Once a motion to dismiss is filed, the judge will make a decision on whether part or all of the case should be dismissed or the case can proceed as alleged.

Jan 13, 2025

First Amended Complaint

A new complaint has been filed on behalf of certain investors in ARDELYX, INC.. Amended complaints may contain additional facts, parties, allegations, a change in the class definition, etc.

Oct 30, 2024

Appointment of Lead Plaintiff

The court has appointed a lead plaintiff to represent the interests of investors in the lawsuit. The lead plaintiff works with the attorneys handling the case, helps oversee the litigation, and represents the interests of the proposed class.

View all Updates

ARDELYX, INC. (ARDX) Class Action Lawsuit (July 2021)

Closed

24-6217 • July 30, 2021

Class Period Start

March 6, 2020

Class Period End

July 19, 2021

PSLRA Deadline

September 28, 2021

Case Allegations

10b5

Statutes of Repose

Mar 6, 2023

Country

United States

Court

Federal Court

Docket History

Mar 7, 2025

Voluntary Dismissal

The plaintiff in this action has chosen not to proceed with the case. Once a case is voluntary dismissed, the courts will usually close the case and no further action will be taken.

Oct 11, 2024

On Appeal

Sep 12, 2024

Motion to Dismiss Granted

The court has granted the defendants' request to dismiss the lawsuit. Depending on the court's decision, the plaintiffs may be allowed to file an updated complaint or pursue an appeal.

Jun 3, 2024

Motion to Dismiss

After reviewing the complaint(s) filed by plaintiffs, defendants have filed a motion requesting that the court dismiss some or all of the plaintiffs' claims. In a motion to dismiss, defendants might challenge the validity of plaintiffs' claims or adequacy of plaintiffs' pleadings. Once a motion to dismiss is filed, the judge will make a decision on whether part or all of the case should be dismissed or the case can proceed as alleged.

Apr 19, 2024

Third Amended Complaint

A new complaint has been filed on behalf of certain investors in ARDELYX, INC.. Amended complaints may contain additional facts, parties, allegations, a change in the class definition, etc.

View all Updates

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