PTLO Investigation - Robbins LLP Reminds Portillo's Inc. Investors It is Investigating the Officers and Directors of PTLO for Breaches of Fiduciary Duty and Violations of Securities Laws

Robbins LLP is investigating Portillo's Inc. for potential breaches of fiduciary duty and securities law violations by officers and directors. The investigation follows a series of disappointing financial disclosures in 2025-2026, including reduced revenue guidance, declining same-restaurant sales, and significant stock price declines. Most recently, on May 5, 2026, Portillo's announced poor Q1 results and a dramatic reduction in expansion plans, causing the stock to fall 21.5% in two days.