STUDENMUND JAYNIE M - Insider Non-Derivative Transactions at COLUMBIA BANKING SYSTEM, INC. (COLB) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Sep 2, 2025, STUDENMUND JAYNIE M's relationship to COLUMBIA BANKING SYSTEM, INC. (COLB) is Director, and currently has 17,858 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.

STUDENMUND JAYNIE M - Insider Non-Derivative Transactions of COLB Common Stock

STUDENMUND JAYNIE M - Insider Non-Derivative Transactions at COLB

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Date	Transaction	No. of Shares	Shares Owned After Transactions
Sep 3, 2025	Acquisition -- (Common Stock)	2205	17858
Sep 1, 2025	Acquisition -- (Common Stock)	3843	3843
Sep 1, 2025	Acquisition -- (Common Stock)	15653	15653