GPK Stockholder Alert: Shareholder Rights Law Firm Robbins LLP Reminds Investors of the Class Action Filed Against Graphic Packaging Holding Company

SAN DIEGO, May 8, 2026 /PRNewswire/ -- Robbins LLP is Investigating Allegations that Graphic Packaging Holding Company (GPK) Misled Investors Regarding its Inventory Management Issues. On May 7, 2026, a class action was filed on behalf of all investors who purchased or otherwise acquired...