Director Robert Hagemann Increases Stake in Graphic Packaging Holding Co via $153,991 Purchase
Robert Hagemann, a director at Graphic Packaging Holding Co (NYSE: GPK), has executed a significant direct purchase of common stock. The transaction, which took place on May 8, 2026, involved the acquisition of 14,000 shares for a total consideration of $153,991. This move comes amid a period of recent financial outperformance for the company, even…