Graphic Packaging Holding Company (GPK) - 8-K Summary

Date of Report: November 4, 2025

This Form 8-K signals the release of Graphic Packaging Holding Company’s (GPK) financial results for the third quarter of 2025.

• Material Event: Reporting of Q3 2025 financial performance under Item 2.02.
• Data Source: Detailed results are contained in Exhibit 99.1 (the accompanying press release).
• Investor Note: The financial information furnished herein is not deemed officially “filed” for Section 18 liability purposes.

Investors must review Exhibit 99.1 fo