NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

Semanteon Capital Management, LP's Holding History (CIK: 0001738809)

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

Q1 2025

Shares 2,749 Value ($000) $1,557 Avg Close $518.78 Range $472.01 - $565.18

Q4 2024

Shares 2,730 Value ($000) $1,442 Avg Close $524.83 Range $505.33 - $552.01

Q3 2024

Shares 2,088 Value ($000) $1,152 Avg Close $534.11 Range $491.57 - $581.63

Q2 2024

Shares 2,356 Value ($000) $1,215 Avg Close $539.68 Range $481.41 - $618.19

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	2,749	$1,557	$518.78	$472.01 - $565.18
Q4 2024	2,730	$1,442	$524.83	$505.33 - $552.01
Q3 2024	2,088	$1,152	$534.11	$491.57 - $581.63
Q2 2024	2,356	$1,215	$539.68	$481.41 - $618.19