GPK Shareholder Alert: July 6, 2026 Lead Plaintiff Deadline in Graphic Packaging Holding Company Securities Class Action - Contact Levi & Korsinsky

A securities class action has been filed against Graphic Packaging Holding Company (NYSE: GPK) alleging materially false and misleading statements about inventory management and business sustainability between February 4, 2025 and February 2, 2026. GPK shares declined over 50% during the class period, with FY 2025 adjusted EBITDA guidance revised downward by approximately $300 million. The court has set July 6, 2026 as the deadline for institutional investors to apply for lead plaintiff appointment.