COLUMBIA BKG SYS INC

Ticker: COLB CUSIP: 197236102 Class: Common Stock

Oak Thistle LLC's Holding History (CIK: 0001755987)

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

Q4 2025

Shares 78,440 Value ($000) $2,192 Avg Close $26.85 Range $23.52 - $29.61

Q2 2025

Shares 28,300 Value ($000) $662 Avg Close $22.35 Range $18.81 - $24.78

Q4 2024

Shares 66,061 Value ($000) $1,784 Avg Close $26.94 Range $23.43 - $30.73

Q4 2023

Shares 38,871 Value ($000) $1,037 Avg Close $19.53 Range $15.67 - $24.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	78,440	$2,192	$26.85	$23.52 - $29.61
Q2 2025	28,300	$662	$22.35	$18.81 - $24.78
Q4 2024	66,061	$1,784	$26.94	$23.43 - $30.73
Q4 2023	38,871	$1,037	$19.53	$15.67 - $24.93