Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001282637-25-000010
Filing Date
2025-04-24
Accepted
2025-04-24 09:15:51
Documents
76
Period of Report
2025-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q neu-20250331.htm   iXBRL 10-Q 724398
2 EX-31.A neu-20250331xexhibit31a.htm EX-31.A 9955
3 EX-31.B neu-20250331xexhibit31b.htm EX-31.B 10047
4 EX-32.A neu-20250331xexhibit32a.htm EX-32.A 4797
5 EX-32.B neu-20250331xexhibit32b.htm EX-32.B 4790
  Complete submission text file 0001282637-25-000010.txt   5335445

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT neu-20250331.xsd EX-101.SCH 34298
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT neu-20250331_cal.xml EX-101.CAL 66310
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT neu-20250331_def.xml EX-101.DEF 162963
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT neu-20250331_lab.xml EX-101.LAB 514676
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT neu-20250331_pre.xml EX-101.PRE 369340
78 EXTRACTED XBRL INSTANCE DOCUMENT neu-20250331_htm.xml XML 689071
Mailing Address 330 S FOURTH ST PO BOX 2189 RICHMOND VA 23218-2189
Business Address 330 S FOURTH ST PO BOX 2189 RICHMOND VA 23218-2189 804-788-5000
NEWMARKET CORP (Filer) CIK: 0001282637 (see all company filings)

EIN.: 000000000 | State of Incorp.: VA | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-32190 | Film No.: 25863923
SIC: 2860 Industrial Organic Chemicals
(CF Office: 08 Industrial Applications and Services)