NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

THURSTON, SPRINGER, MILLER, HERD & TITAK, INC.'s Holding History (CIK: 0000319933)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 218 Value ($000) $150 Avg Close $760.94 Range $681.51 - $872.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	218	$150	$760.94	$681.51 - $872.48