SHAREHOLDER ALERT Bernstein Liebhard LLP Announces a Securities Fraud Class Action Lawsuit Has Been Filed Against Graphic Packaging Holding Company (GPK)

NEW YORK, June 04, 2026 (GLOBE NEWSWIRE) -- Bernstein Liebhard LLP announces that a shareholder has filed a securities class action lawsuit on behalf of investors (the “Class”) who purchased or acquired the securities of Graphic Packaging Holding Company (“Graphic Packaging” or the “Company”) (NYSE: GPK) between February 4, 2025 and February 2, 2026, inclusive. Should You Join The Graphic Packaging Class Action Lawsuit?