GPK: Financial results

Item 2.02. Results of Operations and Financial Condition On November 3, 2026, Graphic Packaging Holding Company issued a press release reporting its third quarter 2026 results. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. As provided in General Instruction B.2 of Form 8-K, the information in this Item 2.02 and Exhibit 99.1 of this Form 8-K are being furnished and shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended. Item 9.01. Financial Statements and Exhibits Exhibits Exhibit Number Description 99.1 Press release dated November 3, 2026 reporting third quarter 2026 results 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. GRAPHIC PACKAGING HOLDING COMPANY (Registrant) Date: November 3, 2026 By: /s/ Daniel S. Fishbein Daniel S. Fishbein Executive Vice President, General Counsel and Secretary