NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

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

Q4 2025

Shares 1,119 Value ($000) $771 Avg Close $760.94 Range $681.51 - $872.48

Q3 2025

Shares 913 Value ($000) $758 Avg Close $765.22 Range $638.93 - $848.55

Q4 2017

Shares 2 Value ($000) $1 Avg Close $343.86 Range $321.43 - $368.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,119	$771	$760.94	$681.51 - $872.48
Q3 2025	913	$758	$765.22	$638.93 - $848.55
Q4 2017	2	$1	$343.86	$321.43 - $368.50