ACADIA PHARMACEUTICALS INC Litigation

Jun 8, 2026

Summary Judgment Denied

Nov 12, 2025

Motion for Summary Judgment

A party has asked the court to decide some or all of the claims without going to trial. The judge will review the motion and determine whether the claims can be decided without a trial.

Mar 11, 2024

Class Certification Granted

The court has determined that a class action is the appropriate method to bring the claims by class members. Usually, when a class is certified, the judge will also affirm an individual or entity to represent the class and finalize a class definition (i.e.: who is represented in the lawsuit).

Aug 21, 2023

Motion for Class Certification

The plaintiffs have asked the court to approve the lawsuit to proceed as a class action on behalf of a group of investors. The judge will decide whether the case meets the requirements for class certification and which investors and claims may be included.

Sep 27, 2022

Motion to Dismiss Denied

The court has denied the defendants' request to dismiss the lawsuit. The case can now move forward to the next stage of litigation.

Feb 15, 2022

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.

Dec 10, 2021

First Amended Complaint

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

Nov 16, 2021

Scheduling Order

Sep 29, 2021

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.

Apr 19, 2021

First Filed Complaint

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