QUAKER CHEM CORP

Ticker: KWR CUSIP: 747316107 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025

Shares 5 Value ($000) $1 Avg Close $135.02 Range $124.36 - $147.03

Q3 2025

Shares 59 Value ($000) $8 Avg Close $131.53 Range $111.42 - $148.80

Q2 2025

Shares 33 Value ($000) $4 Avg Close $108.58 Range $95.91 - $124.63

Q1 2025

Shares 44 Value ($000) $5 Avg Close $135.69 Range $122.02 - $148.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5	$1	$135.02	$124.36 - $147.03
Q3 2025	59	$8	$131.53	$111.42 - $148.80
Q2 2025	33	$4	$108.58	$95.91 - $124.63
Q1 2025	44	$5	$135.69	$122.02 - $148.10