WEST BANCORPORATION INC

Ticker: WTBA CUSIP: 95123P106 Class: Common Stock

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

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

Q4 2025

Shares 162 Value ($000) $4 Avg Close $21.60 Range $19.03 - $24.27

Q3 2025

Shares 162 Value ($000) $3 Avg Close $19.68 Range $17.31 - $21.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	162	$4	$21.60	$19.03 - $24.27
Q3 2025	162	$3	$19.68	$17.31 - $21.69