First Solar, Inc. is facing a federal class action lawsuit following allegations that the company misled investors regarding its ability to navigate changing U.S. tariff policies and global production cuts.
The lawsuit, filed by Pomerantz LLP in the US District Court for the Eastern District of New York under docket number 26-cv-03787, represents a group of investors who acquired First Solar securities between February 26, 2025 and February 24, 2026.
Multiple investor rights firms, including Robbins Geller Rudman & Dowd LLP and Faruqi & Faruqi, LLP, have issued parallel notices for shareholders to join the lawsuit before the August 24, 2026 deadline for lead plaintiffs.
Purchasing and tariff pressures lead to disclosure claims
At the heart of the legal complaints is how the Tempe, Arizona-based manufacturer communicated its operational resilience during a period of changing trade rules. According to the documents, First Solar may have overestimated its ability to manage the operational and financial impact of US tariff policy on its business.
The lawsuit specifically focuses on the impact of the Trump administration’s broad reciprocal tariffs in April 2025, which initially imposed tariffs of 24% and 46% on goods from Malaysia and Vietnam before later lowering them to 10%. Because First Solar produces a significant portion of its Series 6 modules at major hubs in Malaysia and Vietnam, these tariffs will severely impact international production lines.
The lawsuits allege that First Solar falsely reassured investors that module prices in the U.S. core market remained stable, while underestimating the serious financial damage from idling those Southeast Asian facilities, which reportedly fell to about 20% of capacity.
According to the complaints, the company downplayed the costs of underutilization in addition to the complexities of moving production to a new U.S. finishing facility in South Carolina, making its public statements and financial projections materially misleading.
Downgrades and missed earnings are depressing the share price
The legal pressure follows two major market revelations that significantly impacted First Solar’s valuation:
- January 7, 2026: Financial services firm Jefferies downgrades First Solar from Buy to Hold, noting that the company had lowered expectations, suffered significant write-downs and faced margin compression in 2025. The downgrade indicated that international facilities remained a financial pain point under active rates and that underutilization would limit deployment opportunities in 2026. Following this news, First Solar’s stock price fell $27.67 per share, or 10.29%, to close at $241.11 per share.
- February 24, 2026: First Solar reports its fourth-quarter and full-year 2025 financial results, easily beating consensus earnings estimates and reporting 2026 revenue expectations below Wall Street estimates. The company cited customer headwinds such as allowing delays under the Trump administration. Following the announcement, Baird Research downgraded the stock from Outperform to Neutral, pointing to some questions about its future prospects. The next day, the stock fell another $33.09 per share, or 13.61%, to close at $210.12 per share on February 25, 2026.
The plaintiffs are seeking unspecified damages under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 to compensate investors for losses incurred during the one-year class period. First Solar has not yet issued a formal response to the newly filed lawsuit.
Going forward, the next benchmark for the lawsuit will be the court’s appointment of a lead plaintiff after the August 24 deadline, which will determine how the discovery phase will unfold against the domestic manufacturer.
