{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-215713","form_type":"8-K","ticker":"NUE","cik":"0000073309","company_name":"NUCOR CORP","filed_at":"2022-08-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:58.049725+00:00","generated_at":"2026-06-24T02:25:22.338922+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Nucor elects former Trane Technologies chair Michael W. Lamach to board","bullets":["Michael W. Lamach elected to Nucor board effective September 1, 2022; term expires at 2023 annual meeting.","Lamach, 59, previously served as Executive Chair of Trane Technologies (2021) and Chairman/CEO of Ingersoll-Rand (2010-2020).","Appointed to Audit, Compensation & Executive Development, and Governance & Nominating Committees.","Will receive standard non-employee director compensation as described in Nucor's March 2022 proxy statement.","Lamach also serves on PPG Industries board; no material related transactions reported."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-215713","json":"https://secwatch.observer/filing/0001193125-22-215713.json","markdown":"https://secwatch.observer/filing/0001193125-22-215713.md","text":"https://secwatch.observer/filing/0001193125-22-215713.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/73309/000119312522215713/0001193125-22-215713-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/73309/000119312522215713/d361471d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-24T02:25:22.338922+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":"c7a1940d36","claim":"Michael W. Lamach was elected as Director at NUCOR CORP.","evidence_excerpt":"On August 8, 2022, the Board of Directors of Nucor Corporation (the “Company”) elected Michael W. Lamach as a director, effective September 1, 2022, with a term expiring at the Company’s 2023 annual meeting of stockholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/73309/000119312522215713/0001193125-22-215713-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"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"}