Bronstein, Gewirtz & Grossman LLC Files Class Action Lawsuit Against Power Solutions International

Lawsuit alleges company misled investors about its ability to meet data center demand

Mar. 29, 2026 at 4:28pm

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Bronstein, Gewirtz & Grossman, LLC, a nationally recognized investor-rights law firm, has filed a class action lawsuit against Power Solutions International, Inc. (NASDAQ: PSIX) and certain of its officers. The lawsuit alleges that the company made materially false and misleading statements about its ability to capture sales demand for its power systems solutions, particularly within the data center market, and understated the impact of its manufacturing capacity enhancements on costs and inefficiencies.

Why it matters

This lawsuit highlights the importance of corporate transparency and accountability to investors. If the allegations are true, Power Solutions International may have misled investors about its business performance and prospects, which could have significant financial and reputational consequences for the company.

The details

The class action lawsuit covers the period from May 8, 2025 to March 2, 2026. The complaint alleges that Power Solutions International failed to disclose to investors that the company overstated its ability to capture sales demand for its power systems solutions in the data center market, and that it understated the impact of its manufacturing capacity enhancements, including the expected costs and related inefficiencies.

  • The class period covers May 8, 2025 to March 2, 2026.
  • Investors have until May 19, 2026 to request to be appointed as lead plaintiff in the case.

The players

Bronstein, Gewirtz & Grossman, LLC

A nationally recognized investor-rights law firm that represents investors in securities fraud class actions and shareholder derivative suits.

Power Solutions International, Inc.

A company that provides power systems solutions, particularly for the data center market.

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What they’re saying

“Our practice centers on restoring investor capital and ensuring corporate accountability, which serves to uphold the essential integrity of the marketplace.”

— Peretz Bronstein, Founding Partner of Bronstein, Gewirtz & Grossman, LLC

What’s next

Investors have until May 19, 2026 to request to be appointed as lead plaintiff in the case.

The takeaway

This lawsuit highlights the importance of corporate transparency and accountability to investors. If the allegations are true, Power Solutions International may have misled investors about its business performance and prospects, which could have significant financial and reputational consequences for the company.