---
schema_version: "secwatch.filing_event.v1"
accession: "0001282637-25-000009"
form_type: "8-K"
ticker: "NEU"
cik: "0001282637"
company_name: "NEWMARKET CORP"
filed_at: "2025-04-23T23:59:59+00:00"
generated_at: "2026-05-23T07:54:58.317967+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# NewMarket Q1 net income $126M ($13.26 EPS) vs $107.7M ($11.23 EPS) last year

## Summary
- Net income $125.9M, EPS $13.26; prior year $107.7M, $11.23.
- Petroleum additives operating profit $142.1M (down from $150.9M record) on 7.2% shipment decline.
- Specialty materials operating profit $23.2M vs loss of $5.0M; sales $53.7M vs $17.0M.
- Repurchased $57.1M stock, paid $26.1M dividends, reduced net debt/EBITDA ratio to 1.1.
- AMPAC board approved up to $100M capex to expand ammonium perchlorate capacity >50%; completion 2026, subject to NewMarket board approval.

## SEC filing metadata
- accession: 0001282637-25-000009
- form_type: 8-K
- ticker: NEU
- cik: 0001282637
- company_name: NEWMARKET CORP
- filed_at: 2025-04-23T23:59:59+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/1282637/000128263725000009/0001282637-25-000009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1282637/000128263725000009/neu-20250423.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001282637-25-000009
- JSON: https://secwatch.observer/filing/0001282637-25-000009.json
- Plain text: https://secwatch.observer/filing/0001282637-25-000009.txt

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