Info
Insider Ownership

Insider Trading & Ownership of Frank Namdar

Location: Tacoma, WA
Summary: The estimated net worth of Frank Namdar is at least $2,254,463 dollars as of 20 Feb 2026. Frank Namdar is the EVP Chief Credit Officer of COLUMBIA BANKING SYSTEM, INC. and owns shares of COLUMBIA BANKING SYSTEM, INC. (COLB) stock worth about $2.25M.
Signature: /s/ Andrea M. Newburn, Attorney-in-fact
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Ownership of Frank Namdar

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
COLB	COLUMBIA BANKING SYSTEM, INC.	EVP Chief Credit Officer	$2,254,463			18 Feb 2026
UMPQ	UMPQUA HOLDINGS CORP	EVP/Chief Credit Officer				28 Feb 2023

Insider Transactions Reported by Frank Namdar:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.