GARDNER STEVEN R - Insider Non-Derivative Transactions at COLUMBIA BANKING SYSTEM, INC. (COLB) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Aug 31, 2025, GARDNER STEVEN R's relationship to COLUMBIA BANKING SYSTEM, INC. (COLB) is Director, and currently has 338,221 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other COLB insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

GARDNER STEVEN R - Insider Non-Derivative Transactions of COLB Common Stock

GARDNER STEVEN R - Insider Non-Derivative Transactions at COLB

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Sep 1, 2025	Acquisition -- (Common Stock)	245875	0	245875
Sep 1, 2025	Acquisition -- (Common Stock)	338221	0	338221