{"filing":{"accession_number":"0001193125-26-267664","cik":"0001408075","ticker":"GPK","company_name":"GRAPHIC PACKAGING HOLDING CO","form":"8-K","filing_date":"2026-06-11","report_date":null,"primary_document":"d103512d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1408075/000119312526267664/d103512d8k.htm"},"events":[{"id":5370,"run_id":4704,"accession_number":"0001193125-26-267664","anchor_item_number":"5.02","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.72,"summary":"Mr. Philip R. Martens retired from his positions as member and Chairman of the Board effective June 11, 2026. While the filing also discloses Mr. Venturelli's election as Chairman, the principal disclosed action centers on Martens' departure from the chairmanship—a material executive transition at the board level. The retirement of a sitting Chairman is a material event affecting corporate governance and investor assessment of the company.","company_name":"GRAPHIC PACKAGING HOLDING CO","ticker":"GPK","filing_date":"2026-06-11","form":"8-K","submitted_at":null,"items":[{"id":6342,"accession_number":"0001193125-26-267664","item_number":"5.02","item_title":null,"event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.72,"reasoning":"Mr. Philip R. Martens retired from his positions as member and Chairman of the Board effective June 11, 2026. While the filing also discloses Mr. Venturelli's election as Chairman, the principal disclosed action centers on Martens' departure from the chairmanship—a material executive transition at the board level. The retirement of a sitting Chairman is a material event affecting corporate governance and investor assessment of the company.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-11T20:31:15.052896+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":6342,"accession_number":"0001193125-26-267664","item_number":"5.02","item_title":null,"event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.72,"reasoning":"Mr. Philip R. Martens retired from his positions as member and Chairman of the Board effective June 11, 2026. While the filing also discloses Mr. Venturelli's election as Chairman, the principal disclosed action centers on Martens' departure from the chairmanship—a material executive transition at the board level. The retirement of a sitting Chairman is a material event affecting corporate governance and investor assessment of the company.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-11T20:31:15.052896+00:00","company_name":"GRAPHIC PACKAGING HOLDING CO","ticker":"GPK","filing_date":"2026-06-11"}]}