Portnoy Law Firm Announces Class Action on Behalf of GPGI, Inc. Investors

LOS ANGELES, July 16, 2026 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises GPGI, Inc., (“GPGI” or the "Company") (NYSE: GPGI) investors of a class action on behalf of investors that bought securities between November 3, 2025 - May 6, 2026, inclusive (the “Class Period”). GPGI investors have until September 15, 2026 to file a lead plaintiff motion.