{"schema_version":"secwatch.filing_event.v1","accession":"0000104889-25-000019","form_type":"8-K","ticker":"GHC","cik":"0000104889","company_name":"Graham Holdings Co","filed_at":"2025-02-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:02.799190+00:00","generated_at":"2026-05-26T04:19:27.504071+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Jack Markell elected to Graham Holdings Board; previously served 2017-2021","bullets":["Markell rejoins board; previously served as director from May 2017 to December 2021.","Most recently U.S. Ambassador to Italy; also former Delaware Governor (2009-2017) and State Treasurer.","Board determines Markell qualifies as independent under NYSE listing standards.","Compensation consistent with other non-employee directors: annual cash retainer, optional stock, expense reimbursement."],"urls":{"canonical":"https://secwatch.observer/filing/0000104889-25-000019","json":"https://secwatch.observer/filing/0000104889-25-000019.json","markdown":"https://secwatch.observer/filing/0000104889-25-000019.md","text":"https://secwatch.observer/filing/0000104889-25-000019.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/104889/000010488925000019/0000104889-25-000019-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/104889/000010488925000019/ghc-20250225.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T04:19:27.504071+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"fd153736a4","claim":"Jack Markell was elected as Director at Graham Holdings Co.","evidence_excerpt":"On February 25, 2025, Jack Markell was elected to the Board of Directors of Graham Holdings Company (the “Company”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/104889/000010488925000019/0000104889-25-000019-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"Director"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}