---
schema_version: "secwatch.filing_event.v1"
accession: "0001282637-23-000018"
form_type: "8-K"
ticker: "NEU"
cik: "0001282637"
company_name: "NEWMARKET CORP"
filed_at: "2023-10-26T23:59:59+00:00"
generated_at: "2026-06-09T08:03:20.238856+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# NewMarket Q3 net income jumps 76% to $111.2M, EPS $11.60, up from $6.32

## Summary
- Petroleum additives operating profit $139.8M, up from $83.0M yoy, driven by pricing/mix and lower raw materials.
- Sales $663.7M down 4% yoy; shipments fell 7.7% due to global weakness and inventory rationalization.
- Nine-month net income $308.5M ($32.05) vs $189.0M ($18.60) a year ago; operating profit $404.0M.
- Reduced revolver debt by $225.0M, repurchased 119,075 shares for $42.9M; Net Debt/EBITDA improved to 1.1 from 2.0.
- Dividends of $63.5M paid; working capital improved by $71.9M.

## SEC filing metadata
- accession: 0001282637-23-000018
- form_type: 8-K
- ticker: NEU
- cik: 0001282637
- company_name: NEWMARKET CORP
- filed_at: 2023-10-26T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1282637/000128263723000018/0001282637-23-000018-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1282637/000128263723000018/neu-20231025.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001282637-23-000018
- JSON: https://secwatch.observer/filing/0001282637-23-000018.json
- Plain text: https://secwatch.observer/filing/0001282637-23-000018.txt

## Key facts
- Earnings Releases
  NEWMARKET CORP reported the third quarter ended September 30, 2023 results: net income $111.2 million, EPS $11.60.
  - Period: the third quarter ended September 30, 2023
  - Net income: $111.2 million
  - EPS: $11.60
  - Result: reported results
  source text: Net income for the third quarter of 2023 was $111.2 million, compared to net income of $63.2 million for the third quarter of 2022. Third quarter 2023 earnings per share increased to $11.60, up from $6.32 per share in the same period last year.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1282637/000128263723000018/0001282637-23-000018-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.