Graphic Packaging Holding Company Sued for Securities Law Violations - Contact the DJS Law Group to Discuss Your Rights - GPK

LOS ANGELES, June 5, 2026 /PRNewswire/ -- The DJS Law Group reminds investors of a class action lawsuit against Graphic Packaging Holding Company ("Graphic Packaging" or "the Company") (NYSE: GPK) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5...