Current Investigations

Securities Fraud

Filing Deadline: September 8, 2026
Filing Deadline: September 21, 2026
Filing Deadline: September 21, 2026
Filing Deadline: September 21, 2026
Filing Deadline: September 22, 2026
Filing Deadline: September 22, 2026
Filing Deadline: September 28, 2026
Filing Deadline: September 29, 2026
Filing Deadline: October 13, 2026
Filing Deadline: October 13, 2026
Filing Deadline: October 20, 2026
Filing Deadline: October 30, 2026
Filing Deadline: November 2, 2026

Governance & Derivative

Mergers & Acquisitions

Preliminary Approval of Settlement in Acadia Pharmaceuticals Derivative Litigation

On August 24, 2026, the United States District Court for the Southern District of California granted preliminary approval of a settlement resolving the derivative action, under which defendants have agreed to implement various corporate reforms.

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KSF Files a Verified Stockholder Derivative Complaint on Behalf of Medical Properties Trust

In a complaint filed on August 14, 2026 on behalf of Medical Properties Trust, plaintiff alleges, among other things, that certain of the company’s officers and directors breached their fiduciary duties, abused their control, grossly mismanaged the company, wasted corporate assets, and were unjustly enriched.

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KSF Defeats Motion to Dismiss in Via Renewables, Inc. Merger Litigation

On August 12, 2026, the Delaware Court of Chancery denied defendants’ motion to dismiss a merger class action where KSF is acting as sole lead counsel.

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KSF Defeats Motion to Dismiss in Substantial Part in 3M ERISA Class Action

On August 11, 2026, the United States District Court for the District of Minnesota largely denied defendants’ motion to dismiss the amended complaint in an ERISA class action.

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KSF Files a Derivative Stockholder Complaint Against Rivian Automotive

In a complaint filed on July 10, 2026 against Rivian Automotive, plaintiff alleges that defendants breached their fiduciary duties, engaged in insider trading, and unjustly enriched themselves.

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