GRAPHIC PACKAGING HOLDING CO 8-K

What Happened
Graphic Packaging Holding Company (GPK) filed a Form 8-K on December 19, 2025 under Item 7.01 (Regulation FD Disclosure) noting that the company’s independent directors issued an update to stockholders. The filing also includes a company press release. Both the update and the press release were furnished as exhibits to the 8-K.

Key Details

• The 8-K was filed December 19, 2025 and references an update to stockholders from GPK’s independent directors (Exhibit 99.1).
• A related press release dated December 19, 2025 was furnished as Exhibit 99.2.
• The report was signed by Alexandra O. Haden, Assistant General Counsel and Vice President.
• The filing includes the standard Inline XBRL cover page file (Exhibit 104).

Why It Matters
A Regulation FD disclosure means the independent directors’ update and the press release were shared publicly to avoid selective disclosure; these documents may contain information material to investors about governance, strategy, or other company developments. Retail investors should read the attached Exhibit 99.1 (the directors’ update) and Exhibit 99.2 (the press release) to assess any impact on the company’s outlook or governance.