{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-077235","form_type":"8-K","ticker":"NEU","cik":"0001282637","company_name":"NEWMARKET CORP","filed_at":"2026-02-26T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.700778+00:00","generated_at":"2026-05-15T23:26:39.877132+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"NewMarket elects EVP/CAO Bruce Hazelgrove to Board of Directors","bullets":["Bruce R. Hazelgrove, III elected to board effective February 26, 2026.","He serves as Executive VP and Chief Administrative Officer of NewMarket.","Hazelgrove will serve on the Executive Committee; no additional compensation.","He is not independent due to his officer role; no other board committee assignments."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-077235","json":"https://secwatch.observer/filing/0001193125-26-077235.json","markdown":"https://secwatch.observer/filing/0001193125-26-077235.md","text":"https://secwatch.observer/filing/0001193125-26-077235.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1282637/000119312526077235/0001193125-26-077235-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1282637/000119312526077235/d112710d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T23:26:39.877132+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}