ROSEN, A RANKED AND LEADING LAW FIRM, Encourages GPGI, Inc. f/k/a CompoSecure, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action – GPGI, CMPO

NEW YORK, July 19, 2026 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, announces a class action lawsuit on behalf of purchasers of Class A common stock of GPGI, Inc. f/k/a CompoSecure, Inc. (NYSE: GPGI, CMPO) between November 3, 2025 and May 6, 2026, inclusive (the “Class Period”). A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than September 14, 2026.