The scrutiny follows a January 29, 2026, regulatory filing in which PennyMac reported its financial results for the end of 2025. The company disclosed that its servicing segment pretax income plummeted to $37.3 million, a steep drop from the $157.4 million recorded in the preceding quarter. Management attributed the downturn to increased mortgage servicing rights cash flows triggered by higher prepayment activity, but the market reacted sharply to the news. On January 30, PennyMac shares fell by $49.78, closing at $99.92—a 33.3% decline in a single trading session.

Rosen Law Firm is now seeking to represent investors who suffered losses, alleging that the company may have issued materially misleading business information. The firm, which specializes in securities litigation, is urging shareholders to contact attorney Phillip Kim to participate in the prospective class action. While the investigation remains in its early stages, the firm emphasizes its history of securing settlements in large-scale shareholder disputes to establish its credentials for lead counsel roles.