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

Securities Class Action

Securities fraud litigation history and active cases

Active Cases

1

Pending Settlement

0

Closed

1

Total Settlement

$2.38M

Gossamer Bio, Inc. (GOSS) Class Action Lawsuit (March 2026)Active

3:26cv2016 • March 31, 2026

Class Period Start

June 16, 2025

Class Period End

February 20, 2026

PSLRA Deadline

June 1, 2026

Case Allegations

10b5

Statutes of Repose

Jun 16, 2028

Country

United States

Court

Federal Court

Docket History

Gossamer Bio, Inc. (GOSS) Class Action Lawsuit (March 2026)Closed

3:20cv649 • April 3, 2020

Class Period Start

February 8, 2019

Class Period End

February 1, 2022

PSLRA Deadline

June 2, 2020

Case Allegations

10b5 + Sec11

10b-5 Statutes of Repose

Feb 8, 2022

Sec11 Statutes of Repose

Feb 8, 2022

Country

United States

Court

Federal Court

Docket History

Sep 30, 2022

Final Approval of Settlement

Sep 30, 2022

Disbursement Approved

Sep 16, 2022

Class Certification Denied

Mar 14, 2022

Proof of Claim Form

Mar 14, 2022

Mar 14, 2022

Preliminary Approval of Settlement

Feb 2, 2022

Proposed Settlement

Sep 17, 2021

Motion for Class Certification

Jul 21, 2021

Scheduling Order

Apr 30, 2021

Scheduling Order

Apr 19, 2021

Motion to Dismiss Denied in Part

Jan 19, 2021

Motion to Dismiss

Nov 20, 2020

Second Amended Complaint

Oct 29, 2020

Scheduling Order

Aug 31, 2020

First Amended Complaint

Jul 17, 2020

Scheduling Order

Jun 30, 2020

Appointment of Lead Plaintiff

Apr 3, 2020

First Filed Complaint

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