COLUMBIA BKG SYS INC

Ticker: COLB CUSIP: 197236102 Class: Common Stock

Mach-1 Financial Group, LLC's Holding History (CIK: 0001843358)

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

Q4 2025

Shares 19,740 Value ($000) $552 Avg Close $26.85 Range $23.52 - $29.61

Q2 2025

Shares 28,193 Value ($000) $659 Avg Close $22.35 Range $18.81 - $24.78

Q1 2025

Shares 28,641 Value ($000) $714 Avg Close $25.32 Range $22.65 - $27.61

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,740	$552	$26.85	$23.52 - $29.61
Q2 2025	28,193	$659	$22.35	$18.81 - $24.78
Q1 2025	28,641	$714	$25.32	$22.65 - $27.61