Power Solutions Faces Class Action Lawsuit from Investors
Written by Emily J. Thompson, Senior Investment Analyst
Updated: 1 hour ago
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Should l Buy PSIX?
Source: Globenewswire
- Lawsuit Background: Berger Montague PC has filed a class action lawsuit against Power Solutions International on behalf of investors who purchased shares between May 8, 2025, and March 2, 2026, alleging false statements regarding sales demand and production capacity.
- Stock Price Volatility: On November 6, 2025, Power Solutions disclosed a 19% decline in gross margin, leading to a significant drop in stock price as investors became aware of the company's production efficiency issues in the data center market.
- Further Deterioration: On March 2, 2026, Power Solutions reported additional margin deterioration, acknowledging that improvements in manufacturing efficiency and supply chain performance were just beginning, resulting in a further 29% drop in stock price.
- Investor Rights: Investors must apply by May 19, 2026, to be appointed as lead plaintiff representatives in the class action, highlighting concerns over the company's financial transparency and management capabilities.
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Analyst Views on PSIX
Wall Street analysts forecast PSIX stock price to rise
2 Analyst Rating
2 Buy
0 Hold
0 Sell
Moderate Buy
Current: 77.640
Low
101.51
Averages
101.51
High
101.51
Current: 77.640
Low
101.51
Averages
101.51
High
101.51
About PSIX
Power Solutions International, Inc. designs, engineers, and manufactures a broad range of advanced, emission-certified engines, power systems, and accessories. It provides integrated turnkey solutions to global original equipment manufacturers and end-user customers. It develops and delivers complete power systems that are used worldwide in stationery and mobile power generation applications supporting standby, prime, demand response and microgrid solutions, as well as products and packages supporting the rapidly growing data center markets. Its industrial segment provides engine and battery powertrain solutions to serve applications such as forklifts, agricultural and turf, arbor care, industrial sweepers, aerial lifts, irrigation pumps, ground support, construction equipment. Its transportation segment provides engine powertrain solutions to specialized applications such as terminal tractors, port equipment, military vehicles, and other non-road vocational vehicles.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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- Power Solutions Lawsuit Details: Power Solutions International, Inc. faces allegations of false statements regarding its sales capabilities, particularly in the data center market, with a lead plaintiff deadline of May 19, 2026.
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- Lawsuit Background: Berger Montague PC has filed a class action lawsuit against Power Solutions International on behalf of investors who purchased shares between May 8, 2025, and March 2, 2026, alleging false statements regarding sales demand and production capacity.
- Stock Price Volatility: On November 6, 2025, Power Solutions disclosed a 19% decline in gross margin, leading to a significant drop in stock price as investors became aware of the company's production efficiency issues in the data center market.
- Further Deterioration: On March 2, 2026, Power Solutions reported additional margin deterioration, acknowledging that improvements in manufacturing efficiency and supply chain performance were just beginning, resulting in a further 29% drop in stock price.
- Investor Rights: Investors must apply by May 19, 2026, to be appointed as lead plaintiff representatives in the class action, highlighting concerns over the company's financial transparency and management capabilities.
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- Class Action Notice: Rosen Law Firm reminds investors who purchased Power Solutions International, Inc. (NASDAQ: PSIX) securities between May 8, 2025, and March 2, 2026, that they must apply to be lead plaintiff by May 19, 2026, to participate in the class action, as those who do not will not be eligible for compensation.
- Lawsuit Background: The lawsuit alleges that Power Solutions overstated its sales capabilities in the data center market and failed to adequately disclose the costs and inefficiencies related to enhancements in manufacturing capacity, resulting in investor losses when the true situation was revealed, negatively impacting the company's reputation and stock price.
- Law Firm's Credentials: Rosen Law Firm specializes in securities class actions and has achieved the largest settlement against a Chinese company, recovering over $438 million for investors in 2019 alone, demonstrating its successful track record and expertise in this field.
- Investor Advisory: Investors are advised to carefully select qualified counsel with a proven success record, avoiding firms that merely act as intermediaries, to ensure they receive the best representation and support in the class action.
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- Class Action Filed: Bronstein, Gewirtz & Grossman, LLC has announced a class action lawsuit against Power Solutions International, aiming to recover damages for investors who purchased securities between May 8, 2025, and March 2, 2026, indicating significant legal risks for the company.
- Allegations of Misrepresentation: The complaint alleges that the company made materially false and misleading statements during this period, failing to disclose the true state of its sales capabilities and manufacturing efficiencies in the data center market, potentially leading to investor losses.
- Investor Participation Opportunity: Affected investors are encouraged to apply to be lead plaintiffs by May 19, 2026, highlighting the potential financial liabilities the company faces in this legal action.
- Legal Fee Arrangement: Bronstein, Gewirtz & Grossman, LLC states they will represent investors on a contingency fee basis, meaning they will only charge fees if they successfully recover funds, thereby reducing financial risk for investors.
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- Legal Investigation Launched: Faruq & Faruq LLP is investigating potential claims against Power Solutions International, particularly for investors who purchased securities between May 8, 2025, and March 2, 2026, urging them to apply for lead plaintiff status by the May 19, 2026 deadline to participate in the federal securities class action against the company.
- Declining Financial Performance: The Q3 2025 financial results revealed a gross margin of 23.9%, a 5% year-over-year decline attributed to temporary inefficiencies related to accelerated production for data center product lines, highlighting the company's struggles to meet market demand.
- Stock Price Volatility: Following the earnings report on November 7, 2025, Power Solutions' stock plummeted by $15.55, or 19.14%, closing at $65.69 per share, indicating strong market concerns regarding the company's future prospects.
- Uncertain Future Outlook: The March 2, 2026 financial results indicated an 8% year-over-year decline in gross margin, with the company projecting only
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- Class Action Notice: The Portnoy Law Firm advises investors of Power Solutions International Inc. regarding a class action for those who purchased securities between March 8, 2023, and March 2, 2026, with a deadline of May 19, 2026, to file a lead plaintiff motion to protect their legal rights.
- Significant Stock Drop: On November 7, 2025, Power Solutions' stock price fell by $15.55, or 19.1%, closing at $65.69 per share, a sharp market contraction following a cautious earnings outlook released on November 6, which undermined investor confidence.
- Sales Growth Revision: Despite achieving robust sales growth of 74% in Q2 and 62% in Q3, management revised the 2025 sales growth forecast down to 45%, indicating a significant deceleration in expansion towards year-end, which directly impacted stock performance.
- Legal Support and Compensation: The Portnoy Law Firm offers complimentary case evaluations to assist investors in pursuing claims for losses due to corporate wrongdoing, with the founding partner having recovered over $5.5 billion for aggrieved investors, showcasing their strength in protecting investor rights.
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