COLUMBIA BKG SYS INC

Ticker: COLB CUSIP: 197236102 Class: Common Stock

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q3 2025

Shares 27,450 Value ($000) $707 Avg Close $24.85 Range $22.17 - $27.12

Q1 2022

Shares 10,200 Value ($000) $329 Avg Close $28.29 Range $25.94 - $30.41

Q4 2021

Shares 21,200 Value ($000) $693 Avg Close $27.76 Range $24.13 - $32.46

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	27,450	$707	$24.85	$22.17 - $27.12
Q1 2022	10,200	$329	$28.29	$25.94 - $30.41
Q4 2021	21,200	$693	$27.76	$24.13 - $32.46