COLUMBIA BKG SYS INC

Ticker: COLB CUSIP: 197236102 Class: Common Stock

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

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

Q2 2025

Shares 255 Value ($000) $6 Avg Close $22.35 Range $18.81 - $24.78

Q1 2025

Shares 157 Value ($000) $4 Avg Close $25.32 Range $22.65 - $27.61

Q4 2022

Shares 18,776 Value ($000) $566 Avg Close $26.45 Range $23.68 - $29.63

Q3 2022

Shares 25,034 Value ($000) $723 Avg Close $24.81 Range $22.71 - $27.11

Q2 2022

Shares 12,101 Value ($000) $347 Avg Close $24.00 Range $22.05 - $26.58

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	255	$6	$22.35	$18.81 - $24.78
Q1 2025	157	$4	$25.32	$22.65 - $27.61
Q4 2022	18,776	$566	$26.45	$23.68 - $29.63
Q3 2022	25,034	$723	$24.81	$22.71 - $27.11
Q2 2022	12,101	$347	$24.00	$22.05 - $26.58