Changeflow GovPing Courts & Legal Do v. Singh et al - Stockholders Suit
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Do v. Singh et al - Stockholders Suit

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Filed March 26th, 2026
Detected March 26th, 2026
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Summary

The U.S. District Court for the Northern District of California has filed a new civil case, Do v. Singh et al. The case, initiated on March 26, 2026, involves a Verified Shareholder Derivative Complaint against Vistagen Therapeutics, Inc. and its directors.

What changed

A new civil case, Do v. Singh et al (Case Number: 3:26-cv-02656), has been filed in the U.S. District Court for the Northern District of California. The filing includes a Verified Shareholder Derivative Complaint against Ann M. Cunningham, Joanne Curley, Paul Edick, Margaret M. Fitzpatrick, Jerry B. Gin, Joshua Prince, Mary L. Rotunno, Jon S. Saxe, Shawn K. Singh, and Vistagen Therapeutics, Inc. The basis of the suit is Federal Question, with the Nature of Suit identified as Stockholders Suits.

This filing initiates legal proceedings that could impact corporate governance and shareholder rights at Vistagen Therapeutics, Inc. Compliance officers and legal professionals should monitor this case for potential implications related to director liability, shareholder derivative actions, and securities law compliance. No specific compliance deadlines or penalties are detailed in this initial filing, but the nature of the suit suggests potential for significant legal scrutiny and possible remedies if the allegations are proven.

What to do next

  1. Review the Verified Shareholder Derivative Complaint filed in Do v. Singh et al.
  2. Assess potential impact on Vistagen Therapeutics, Inc. and its directors.
  3. Monitor case developments for any new obligations or legal precedents.

Source document (simplified)

Do v. Singh et al

Case Number: 3:26-cv-02656 Location: San Francisco Case Type: Civil Case Basis: Federal Question Nature of Suit: Stockholders Suits Date Filed:

March 26, 2026

Last Filing Date:

March 26, 2026

View Publicly Available Documents Case Summary No summary of this case is available

Recent Filings

| Date Filed | Docket Number | Document Description |
| --- | --- | --- |
| 03-26-26 | 1 | COMPLAINT - Verified Shareholder Derivative Complaint against Ann M. Cunningham, Joanne Curley, Paul Edick, Margaret M. Fitzpatrick, Jerry B. Gin, Joshua Prince, Mary L. Rotunno, Jon S. Saxe, Shawn K. Singh, Vistagen Therapeutics, Inc. ( Fili |
| 03-26-26 | 2 | Proposed Summons. (Manifold, Betsy) |
| 03-26-26 | 3 | Certificate of Interested Entities by Danny Do (Manifold, Betsy) |
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Named provisions

Verified Shareholder Derivative Complaint

Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
N.D. California
Filed
March 26th, 2026
Instrument
Enforcement
Legal weight
Binding
Stage
Final
Change scope
Substantive
Document ID
3:26-cv-02656
Docket
3:26-cv-02656

Who this affects

Applies to
Public companies
Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Shareholder Derivative Suits
Geographic scope
United States US

Taxonomy

Primary area
Corporate Governance
Operational domain
Legal
Topics
Securities Law Shareholder Rights

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