---
schema_version: "secwatch.filing_event.v1"
accession: "0001282637-24-000007"
form_type: "8-K/A"
ticker: "NEU"
cik: "0001282637"
company_name: "NEWMARKET CORP"
filed_at: "2024-02-28T23:59:59+00:00"
generated_at: "2026-06-05T08:20:25.107226+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# NewMarket completes AMPAC acquisition; audited FY2023 revenue $124M, net income $3.3M

## Summary
- AMPAC revenue $124.0M, net income $3.3M for year ended Sep 30, 2023.
- Total assets $517.9M including goodwill $207.8M and intangible assets $166.4M.
- Long-term debt $310.2M; members' equity $114.4M.
- Acquisition of AMPAC from Coyote closed Jan 16, 2024, as previously reported.

## SEC filing metadata
- accession: 0001282637-24-000007
- form_type: 8-K/A
- ticker: NEU
- cik: 0001282637
- company_name: NEWMARKET CORP
- filed_at: 2024-02-28T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1282637/000128263724000007/0001282637-24-000007-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1282637/000128263724000007/neu-20240116.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001282637-24-000007
- JSON: https://secwatch.observer/filing/0001282637-24-000007.json
- Plain text: https://secwatch.observer/filing/0001282637-24-000007.txt

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