Info
Insider Ownership

Insider Trading & Ownership of Aaron James Deer

Location: Tacoma, WA
Summary: The estimated net worth of Aaron James Deer is at least $1,900,431 dollars as of 20 Feb 2026. Aaron James Deer is the EVP Chief Strategy/Innov Offcr of COLUMBIA BANKING SYSTEM, INC. and owns shares of COLUMBIA BANKING SYSTEM, INC. (COLB) stock worth about $1.9M.
Signature: /s/ Andrea M. Newburn, Attorney-in-fact
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Ownership of Aaron James Deer

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
COLB	COLUMBIA BANKING SYSTEM, INC.	EVP Chief Strategy/Innov Offcr	$1,900,431			18 Feb 2026

Insider Transactions Reported by Aaron James Deer:

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.