LONDON CO OF VIRGINIA - 30 Jun 2025 SCHEDULE 13G/A Report for NEWMARKET CORP Common Stock, with no par value (NEU)

Filing Manager: LONDON CO OF VIRGINIA
Reporting Manager: The London Company
Security: NEWMARKET CORP Common Stock, with no par value
Symbol: NEU
Shares outstanding: 9,428,944 shares
Disclosed Ownership: 553,479 shares
Ownership: 5.9%
Form type: SCHEDULE 13G/A
Filing time: 14 Aug 2025, 09:00:23 UTC
Date of event: 30 Jun 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
The London Company	5.9%	553,479	553,479	0	/s/ Andrew J. Wetzel	Andrew J. Wetzel, Chief Compliance Officer