• Pomerantz LLP has launched an investigation into Graphic Packaging Holding (NYSE:GPK) for potential securities fraud or mismanagement.
• The review follows the company’s warning about an expected decline in operational performance in 2026.
• The development comes as shares trade around $12.10, with recent returns under pressure.

For investors watching NYSE:GPK, this legal move comes on top of an already weak share price backdrop. The stock is around $12.10 and has seen a 20.1% decline year to date and a 52.9% decline over the past year, with multi-year returns also under strain. That contributes to a cautious tone as questions grow around both governance and future execution.

The investigation itself does not prove wrongdoing, but it…