QUAKER CHEM CORP

Ticker: KWR CUSIP: 747316107 Class: Common Stock

Costello Asset Management, INC's Holding History (CIK: 0001760145)

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

Q4 2025

Shares 100 Value ($000) $14 Avg Close $135.02 Range $124.36 - $147.03

Q3 2025

Shares 100 Value ($000) $13 Avg Close $131.53 Range $111.42 - $148.80

Q2 2025

Shares 100 Value ($000) $11 Avg Close $108.58 Range $95.91 - $124.63

Q1 2025

Shares 100 Value ($000) $12 Avg Close $135.69 Range $122.02 - $148.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	100	$14	$135.02	$124.36 - $147.03
Q3 2025	100	$13	$131.53	$111.42 - $148.80
Q2 2025	100	$11	$108.58	$95.91 - $124.63
Q1 2025	100	$12	$135.69	$122.02 - $148.10