FilingIndex
11-KThe Record

NEWMARKET CORP files 11-K

Filed May 18, 2026 · 1mo ago · Accession 0001282637-26-000012

Plain English

11-K filed with the SEC.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
NEU
CIK
1282637
Form type
11-K
Filing date
May 18, 2026
Report date
Dec 31, 2025
Document
neu-20251231.htm
Size
2.0 MB