Stocks · Financials · State Commercial Banks

COLUMBIA BANKING SYSTEM, INC.

COLB Clue Score53

United States Fiscal year ends December CIK 0000887343 Results filed 22 Oct 2026

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What the insiders did Net selling

Bought (12 mo)

$22.48K

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$1.01M

$127.93K on a plan · $30.11K straight out of an exercise

Sold at will

$847.83K

10 of 14 sales

Net

−$983.40K

−$825.35K against sales at will