COLUMBIA BKG SYS INC

Ticker: COLB CUSIP: 197236102 Class: Common Stock

DARK FOREST CAPITAL MANAGEMENT LP's Holding History (CIK: 0001853322)

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

Q4 2025

Shares 105,200 Value ($000) $2,940 Avg Close $26.85 Range $23.52 - $29.61

Q2 2023

Shares 25,488 Value ($000) $517 Avg Close $17.89 Range $14.76 - $20.57

Q3 2021

Shares 311 Value ($000) $12 Avg Close $28.29 Range $25.95 - $31.70

Q2 2021

Shares 67 Value ($000) $3 Avg Close $33.46 Range $30.04 - $35.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	105,200	$2,940	$26.85	$23.52 - $29.61
Q2 2023	25,488	$517	$17.89	$14.76 - $20.57
Q3 2021	311	$12	$28.29	$25.95 - $31.70
Q2 2021	67	$3	$33.46	$30.04 - $35.35