INVESTOR ALERT: Robbins Geller Rudman & Dowd LLP Files Class Action Lawsuit Against GPGI, Inc. and Announces Opportunity for Investors with Substantial Losses to Lead Class Action Lawsuit - GPGI

SAN DIEGO, July 22, 2026 /PRNewswire/ -- Robbins Geller Rudman & Dowd LLP announces that purchasers of GPGI, Inc. f/k/a CompoSecure, Inc. (NYSE: GPGI; CMPO) Class A common stock between November 3, 2025 and May 6, 2026, both dates inclusive (the "Class Period"), have until September 14,...