Lantow Michelle - Insider Non-Derivative Transactions at COLUMBIA BANKING SYSTEM, INC. (COLB) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Feb 21, 2023, Lantow Michelle's relationship to COLUMBIA BANKING SYSTEM, INC. (COLB) is Director, and currently has 23,140 shares of Common.

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.

Lantow Michelle - Insider Non-Derivative Transactions of COLB Common

Lantow Michelle - Insider Non-Derivative Transactions at COLB

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Feb 22, 2023	Acquisition -- (Common)	1738	0	23140