STEPAN CO

Ticker: SCL CUSIP: 858586100 Class: Common Stock

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

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

Q4 2025

Shares 52 Value ($000) $2 Avg Close $45.80 Range $41.82 - $50.09

Q3 2025

Shares 84 Value ($000) $4 Avg Close $51.88 Range $46.40 - $60.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	52	$2	$45.80	$41.82 - $50.09
Q3 2025	84	$4	$51.88	$46.40 - $60.85