--- title: "The Law Offices of Frank R. Cruz Announces Investigation of Power Solutions International, Inc. (PSIX) on Behalf of Investors" type: "News" locale: "en" url: "https://longbridge.com/en/news/291968481.md" description: "The Law Offices of Frank R. Cruz announced an investigation into Power Solutions International, Inc. (PSIX) regarding potential breaches of fiduciary duty by its board. The probe follows disclosures of declining gross margins and decelerating sales growth in Q3 2025 and full-year 2025 results, which triggered significant stock price drops. Shareholders who purchased shares before May 2025 are invited to contact the firm to discuss their rights." datetime: "2026-07-07T19:04:40.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/291968481.md) - [en](https://longbridge.com/en/news/291968481.md) - [zh-HK](https://longbridge.com/zh-HK/news/291968481.md) --- # The Law Offices of Frank R. Cruz Announces Investigation of Power Solutions International, Inc. (PSIX) on Behalf of Investors **The Law Offices of Frank R. Cruz Announces Investigation of Power Solutions International, Inc. (PSIX) on Behalf of Investors** The Law Offices of Frank R. Cruz is investigating potential claims against the board of directors of Power Solutions International, Inc. (“Power Solutions” or the “Company”) (NASDAQ: PSIX) concerning whether the board breached its fiduciary duties to shareholders. **IF YOU ARE A POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) SHAREHOLDER, CLICK** **HERE** **TO PARTICIPATE.** **What Is The Investigation About?** On November 6, 2025, after the market closed, Power Solutions released its third quarter 2025 financial results, revealing that “gross margin in the third quarter of 2025 was 23.9%, a decrease of 5.0%” year over year due in part to _**“temporary inefficiencies related to our accelerated production ramp-up”**_ for “key data center product lines.” Further, the Company revealed it “anticipates … sales growth of 45%” for full year 2025, which indicated a sharp deceleration as the Company had reported year-over-year growth of 74% in the second quarter and 65% in the third quarter 2025. On this news, Power Solutions’ stock price fell $15.55, or 19.14%, to close at $65.69 per share on November 7, 2025, on unusually heavy trading volume. On March 2, 2026, after the market closed, Power Solutions issued a press release announcing fourth quarter and full year 2025 financial results, revealing that _**gross margin declined 8% year-over-year**_ due _**to “operating inefficiencies related to \[the Company’s\] accelerated production ramp-up for data center product lines.”**_ Further, the Company provided its outlook for 2026, including only _**“moderate margin improvement**_ from the products serving data center markets.” The press release also revealed the Company was “executing specific actions to improve supply chain performance and manufacturing cost structures” but only now “_**beginning**_ to see measurable improvements, which \[it\] expect to build and support margin expansion _**over time**_.” Following these disclosures, Power Solutions stock fell $24.84 or 28.97% to close at $60.91 on March 3, 2026, on unusually heavy trading volume. If you still hold Power Solutions shares purchased **before** **May 2025** and wish to discuss this matter with us, or have any questions concerning your rights and interests with regards to this matter, please contact Frank R. Cruz, of The Law Offices of Frank R. Cruz, 2121 Avenue of the Stars, Suite 800, Los Angeles, California 90067 at 310-914-5007, by email to info@frankcruzlaw.com, or visit our website at www.frankcruzlaw.com. If you inquire by email please include your mailing address, telephone number and number of shares purchased. This press release may be considered Attorney Advertising in some jurisdictions under the applicable law and ethical rules. The Law Offices of Frank R. Cruz, Los Angeles Frank R. Cruz, 310-914-5007 fcruz@frankcruzlaw.com www.frankcruzlaw.com Follow us for updates on Twitter: twitter.com/FRC\_LAW. 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