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

BIOGEN INC. (BIIB) Class Action Lawsuit (November 2020)

Settlement

1:21cv10479 • November 13, 2020

Class Period Start

October 22, 2019

Class Period End

November 6, 2020

PSLRA Deadline

January 12, 2021

Case Allegations

10b5

Statutes of Repose

Oct 22, 2022

Country

United States

Court

Federal Court

Settlement Information

Please note that for cases in the settlement stage, claims are handled by the claims administrator and NOT Levi & Korsinsky. Any information or documentation previously provided to us does not constitute submission of a claim. If you need to file a claim, check the status of a claim, or have questions regarding distribution of settlement funds, please contact the claims administrator below.

Claim Deadline

December 31, 1969

Settlement Fund

$0

Settlement Status

Preliminarily Approved

Settlement Class

Claim Administrator




Settlement Website

Hearing Date

December 31, 1969

Opt-out Deadline

December 31, 1969

Settlement Note

Download here

Proof Of Claim

Download here

Docket History

Oct 27, 2026

Preliminary Approval of Settlement

The court has granted preliminary approval of a proposed settlement. This means the settlement can move forward for further consideration, but it has not yet received final approval. Potential class members will generally receive notice explaining the settlement, their rights, and any deadlines for submitting a claim, objecting to the settlement, or choosing not to participate.

Oct 23, 2026

Third Amended Complaint

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

Oct 6, 2026

Motion for Preliminary Approval of Settlement

The parties have asked the court to give preliminary approval to a proposed settlement. The judge will review the request and decide whether the settlement can move forward to the next stage. If approved, potential class members will generally receive information about the settlement and their rights, including any deadlines for taking action.

Jan 5, 2026

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 23, 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.

Jun 27, 2025

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.

Oct 13, 2022

On Appeal

Sep 12, 2022

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.

Sep 20, 2021

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.

Aug 10, 2021

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.

Aug 4, 2021

Second Amended Complaint

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

Jun 25, 2021

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 26, 2021

First Amended Complaint

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

Mar 29, 2021

Scheduling Order

Feb 24, 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.

Jan 5, 2021

Additional Complaint

Another plaintiff has filed a complaint on behalf of investors in BIOGEN INC.. The allegations and class definitions are substantively the same.

Nov 13, 2020

First Filed Complaint

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

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