NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

Longboard Asset Management, LP's Holding History (CIK: 0002045792)

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

Q3 2025

Shares 389 Value ($000) $322 Avg Close $765.22 Range $638.93 - $848.55

Q2 2025

Shares 389 Value ($000) $269 Avg Close $613.76 Range $504.22 - $687.53

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	389	$322	$765.22	$638.93 - $848.55
Q2 2025	389	$269	$613.76	$504.22 - $687.53