{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-273900","form_type":"8-K","ticker":"NEU","cik":"0001282637","company_name":"NEWMARKET CORP","filed_at":"2022-10-31T23:59:59+00:00","discovered_at":"2026-05-14T18:03:49.995279+00:00","generated_at":"2026-06-22T21:26:57.954421+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"NewMarket announces retirement of Afton President Harm, appoints Paliotti as successor, and CFO change","bullets":["Regina Anne Harm, President of Afton Chemical, to step down Dec 31, 2022, retiring in 2023 after over 15 years.","Brian D. Paliotti, currently VP and CFO, will succeed Harm as President of Afton effective Jan 1, 2023.","William J. Skrobacz appointed VP and CFO of NewMarket effective Jan 1, 2023, replacing Paliotti.","Gail C. Ridgeway appointed Principal Accounting Officer and Controller effective Jan 1, 2023, replacing Skrobacz.","No compensation determinations yet for the new appointees."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-273900","json":"https://secwatch.observer/filing/0001193125-22-273900.json","markdown":"https://secwatch.observer/filing/0001193125-22-273900.md","text":"https://secwatch.observer/filing/0001193125-22-273900.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1282637/000119312522273900/0001193125-22-273900-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1282637/000119312522273900/d398580d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-22T21:26:57.954421+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":"1780d45667","claim":"Regina Anne Harm departed as President of Afton Chemical Corporation at NEWMARKET CORP.","evidence_excerpt":"Regina Anne Harm, President of Afton Chemical Corporation (“Afton”), is stepping down from her role as President of Afton effective December 31, 2022, as she intends to retire in 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312522273900/0001193125-22-273900-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"stepping down"},{"label":"Role","value":"President of Afton Chemical Corporation"}],"fact_type":"executive_change"},{"claim_id":"843f7f1c1e","claim":"William J. Skrobacz was appointed as Vice President and Chief Financial Officer at NEWMARKET CORP.","evidence_excerpt":"William J. Skrobacz has been appointed Vice President and Chief Financial Officer of the Company, effective January 1, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312522273900/0001193125-22-273900-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Vice President and Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"85ee740d1d","claim":"Gail C. Ridgeway was appointed as Principal Accounting Officer and Controller at NEWMARKET CORP.","evidence_excerpt":"Gail C. Ridgeway has been appointed Principal Accounting Officer and Controller of the Company, effective January 1, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312522273900/0001193125-22-273900-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Principal Accounting Officer and Controller"}],"fact_type":"executive_change"},{"claim_id":"ed540b275c","claim":"Brian D. Paliotti was appointed as President of Afton at NEWMARKET CORP.","evidence_excerpt":"The Company also announced that, effective January 1, 2023, Brian D. Paliotti will succeed Mrs. Harm as President of Afton.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312522273900/0001193125-22-273900-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"President of Afton"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}