ROSEN, NATIONAL INVESTOR COUNSEL, Encourages Graphic Packaging Holding Company Investors to Secure Counsel Before Important Deadline in Securities Class Action – GPK

NEW YORK, June 06, 2026 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of securities of Graphic Packaging Holding Company (NYSE: GPK) between February 4, 2025 and February 2, 2026, inclusive (the “Class Period”), of the important July 6, 2026 lead plaintiff deadline.