{"schema_version":"secwatch.filing_event.v1","accession":"0000789933-23-000007","form_type":"8-K","ticker":"NC","cik":"0000789933","company_name":"NACCO INDUSTRIES INC","filed_at":"2023-02-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.094808+00:00","generated_at":"2026-06-19T00:11:13.852480+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Director Richard de J. Osborne to retire after 25 years, effective May 16, 2023","bullets":["Richard de J. Osborne agreed to retire from the Board, effective May 16, 2023.","Osborne served 25 years on the Board, joining in 1998.","He currently chairs the Audit Review Committee and serves on Compensation and Nominating committees.","Osborne will not stand for reelection at the May 16, 2023 Annual Meeting.","His background includes former Chairman and CEO of ASARCO Incorporated."],"urls":{"canonical":"https://secwatch.observer/filing/0000789933-23-000007","json":"https://secwatch.observer/filing/0000789933-23-000007.json","markdown":"https://secwatch.observer/filing/0000789933-23-000007.md","text":"https://secwatch.observer/filing/0000789933-23-000007.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/789933/000078993323000007/0000789933-23-000007-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/789933/000078993323000007/nacco-20230222.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T00:11:13.852480+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":"34c58df782","claim":"Richard de J. Osborne departed as Director at NACCO INDUSTRIES INC.","evidence_excerpt":"On February 22, 2023, Mr. Richard de J. Osborne and the Board of Directors (the “Board”) of NACCO Industries, Inc. (the “Company”) agreed that Mr. Osborne will retire after twenty-five years of exemplary service to the Company, effective May 16, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/789933/000078993323000007/0000789933-23-000007-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}