COLUMBIA BKG SYS INC

Ticker: COLB CUSIP: 197236102 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 26,718,530 Value ($000) $746,783 Avg Close $26.85 Range $23.52 - $29.61

Q3 2025

Shares 26,934,872 Value ($000) $693,304 Avg Close $24.85 Range $22.17 - $27.12

Q2 2025

Shares 18,994,228 Value ($000) $444,085 Avg Close $22.35 Range $18.81 - $24.78

Q1 2025

Shares 19,014,475 Value ($000) $474,221 Avg Close $25.32 Range $22.65 - $27.61

Q4 2024

Shares 19,175,120 Value ($000) $517,920 Avg Close $26.94 Range $23.43 - $30.73

Q3 2024

Shares 18,075,747 Value ($000) $471,958 Avg Close $22.09 Range $17.58 - $24.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	26,718,530	$746,783	$26.85	$23.52 - $29.61
Q3 2025	26,934,872	$693,304	$24.85	$22.17 - $27.12
Q2 2025	18,994,228	$444,085	$22.35	$18.81 - $24.78
Q1 2025	19,014,475	$474,221	$25.32	$22.65 - $27.61
Q4 2024	19,175,120	$517,920	$26.94	$23.43 - $30.73
Q3 2024	18,075,747	$471,958	$22.09	$17.58 - $24.95