Pomerantz Law Firm Announces the Filing of a Class Action Against Graphic Packaging Holding Company and Certain Former Officers - GPK

NEW YORK, June 4, 2026 /PRNewswire/ -- Pomerantz LLP announces that a class action lawsuit has been filed against Graphic Packaging Holding Company ("Graphic Packaging" or the "Company") (NYSE: GPK) and certain of its former officers. The class action, filed in the United States District Court for the Southern District of New York, and docketed under 26-cv-03790, is on behalf of a class consisting of all persons and entities other than Defendants that purchased or otherwise acquired Graphic Packaging securities between February 4, 2025 and February 2, 2026, both dates inclusive (the "Class Period"), seeking to recover damages caused by Defendants' violations of the federal securities laws and to pursue remedies under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder, against the Company and certain of its former top officials.