COLUMBIA BKG SYS INC

Ticker: COLB CUSIP: 197236102 Class: Common Stock

Laurion Capital Management LP's Holding History (CIK: 0001390202)

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

Q4 2025

Shares 75,210 Value ($000) $2,102 Avg Close $26.85 Range $23.52 - $29.61

Q3 2025

Shares 74,710 Value ($000) $1,923 Avg Close $24.85 Range $22.17 - $27.12

Q2 2018

Shares 10,239 Value ($000) $419 Avg Close $30.05 Range $27.72 - $31.69

Q1 2017

Shares 7,200 Value ($000) $281 Avg Close $27.57 Range $24.96 - $31.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	75,210	$2,102	$26.85	$23.52 - $29.61
Q3 2025	74,710	$1,923	$24.85	$22.17 - $27.12
Q2 2018	10,239	$419	$30.05	$27.72 - $31.69
Q1 2017	7,200	$281	$27.57	$24.96 - $31.16