GPGI Investors Have Opportunity to Lead GPGI, Inc. Securities Fraud Lawsuit with SBS Law

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LOS ANGELES, Aug. 04, 2026 (GLOBE NEWSWIRE) -- Schall, Brown & Schwartz LLP (“SBS”), a national shareholder rights litigation firm, reminds investors of a class action lawsuit against GPGI, Inc. f/k/a CompoSecure, Inc. (“GPGI” or “the Company”) (NYSE: GPGI ) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission.