Namdar Frank - 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 28, 2025, Namdar Frank's relationship to COLUMBIA BANKING SYSTEM, INC. (COLB) is Officer (Chief Credit Officer), and currently has 35,267 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.

Namdar Frank - Insider Non-Derivative Transactions of COLB Common Stock

Namdar Frank - Insider Non-Derivative Transactions at COLB

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Mar 1, 2025	F -- (Common Stock)	1873	26.73	33394
Mar 1, 2025	F -- (Common Stock)	902	26.73	35267
Feb 15, 2025	F -- (Common Stock)	1311	27.41	36169
Mar 9, 2024	F -- (Common Stock)	466	19.51	37480
Mar 9, 2024	F -- (Common Stock)	808	19.51	37946
Mar 2, 2024	Acquisition -- (Common Stock)	11191	17.87	38754
Feb 29, 2024	F -- (Common Stock)	992	17.76	27563
Feb 16, 2024	F -- (Common Stock)	1311	19.01	28555
Jan 2, 2024	F -- (Common Stock)	784	26.68	34852
Mar 9, 2023	F -- (Common Stock)	466	27.36	34195
Mar 3, 2023	F -- (Common Stock)	523	29.07	34661
Mar 3, 2023	F -- (Common Stock)	859	29.07	35184
Mar 3, 2023	F -- (Common Stock)	769	29.07	36043
Mar 3, 2023	Acquisition -- (Common Stock)	1623	0	36812