FSK Investors Have Opportunity to Lead Graphic Packaging Holding Company Securities Fraud Lawsuit

NEW YORK, May 18, 2026 /PRNewswire/ -- Why: Rosen Law Firm, a global investor rights law firm, announces a class action lawsuit on behalf of purchasers of securities of Graphic Packaging Holding Company (NYSE: GPK) between February 4, 2025 and February 2, 2026, inclusive (the "Class...