GPGI, Inc. Investor Alert: Contact SBS by September 15, 2026 for Opportunity to Lead Securities Fraud Lawsuit

LOS ANGELES, Aug. 3, 2026 /PRNewswire/ -- Schall Brown & Schwartz LLP,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...