---
schema_version: "secwatch.filing_event.v1"
accession: "0001282637-25-000015"
form_type: "8-K"
ticker: "NEU"
cik: "0001282637"
company_name: "NEWMARKET CORP"
filed_at: "2025-07-30T23:59:59+00:00"
generated_at: "2026-05-17T22:51:27.180617+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# NewMarket reports record first-half 2025 net income of $237M; EPS $25.11, up 9.8% YoY

## Summary
- Q2 net income $111.2M ($11.84 EPS) vs $111.6M ($11.63 EPS); first-half net income $237.2M ($25.11 EPS) vs $219.4M ($22.87 EPS) — a record first half.
- Petroleum additives Q2 operating profit $139.8M (down 5.4%) on 2.5% shipment decline; first-half operating profit $281.9M (down 5.6%) due to lower volumes and tech investments.
- Specialty materials Q2 operating profit $10.5M (up 110%) on higher volumes; first-half operating profit $33.7M vs near breakeven in prior year.
- Reduced net debt by $122.2M in H1; net debt-to-EBITDA ratio of 1.0; repurchased $77.2M of stock, including $20.2M in Q2.
- Solid operating cash flow; capex $29.3M and dividends $51.9M in H1; management cites efficiency initiatives and monitoring tariffs.

## SEC filing metadata
- accession: 0001282637-25-000015
- form_type: 8-K
- ticker: NEU
- cik: 0001282637
- company_name: NEWMARKET CORP
- filed_at: 2025-07-30T23:59:59+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/1282637/000128263725000015/0001282637-25-000015-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1282637/000128263725000015/neu-20250730.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001282637-25-000015
- JSON: https://secwatch.observer/filing/0001282637-25-000015.json
- Plain text: https://secwatch.observer/filing/0001282637-25-000015.txt

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