Robbins LLP Probes Portillo's Over Securities and Fiduciary Duties

The scrutiny centers on shifting performance metrics that emerged last summer. In August 2025, Portillo's reported a 0.7% increase in same-restaurant sales alongside a 1.4% drop in transaction volume. While the company initially maintained its expansion targets, it simultaneously lowered its fiscal 2025 revenue and adjusted EBITDA growth expectations.

The situation intensified on September 10, 2025, when the company announced a strategic reset. Portillo's slashed its new restaurant opening goal from 12 to 8 units and projected a decline in same-restaurant sales of up to 1.5%. These revised outlooks, paired with a reduction in restaurant-level EBITDA margins, triggered a significant sell-off in PTLO shares. Robbins LLP is now reviewing whether these disclosures and the underlying management decisions harmed shareholder interests.