Bronstein, Gewirtz & Grossman LLC Urges Graphic Packaging Holding Company Investors to Act: Class Action Filed Alleging Investor Harm

A class action lawsuit has been filed against Graphic Packaging Holding Company (NYSE: GPK) alleging that company executives made materially false and misleading statements regarding the business's operations and financial prospects. The complaint claims defendants concealed significant inventory management issues, reduced demand, increased costs, and overstated the company's business model strength during the period from February 4, 2025 to February 2, 2026. Investors who purchased GPK securities during this period are encouraged to join the case, with a lead plaintiff deadline of July 6, 2026.