WESTERN ALLIANCE BANCORP

Ticker: WAL CUSIP: 957638109 Class: EQTY

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

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

Q4 2025

Shares 2,594 Value ($000) $218 Avg Close $80.63 Range $67.94 - $88.82

Q3 2025

Shares 10,709 Value ($000) $929 Avg Close $83.75 Range $72.53 - $92.38

Q2 2025

Shares 6 Value ($000) $0 Avg Close $70.68 Range $55.97 - $79.46

Q2 2024

Shares 12,570 Value ($000) $790 Avg Close $58.38 Range $51.73 - $63.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,594	$218	$80.63	$67.94 - $88.82
Q3 2025	10,709	$929	$83.75	$72.53 - $92.38
Q2 2025	6	$0	$70.68	$55.97 - $79.46
Q2 2024	12,570	$790	$58.38	$51.73 - $63.69