COLUMBIA BANKING SYSTEM, INC. — Director's Dealing 2023

Feb 17, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COLUMBIA BANKING SYSTEM, INC. (COLB)
CIK: 0000887343
Period of Report: 2023-02-15

Reporting Person: Lawson David C (EVP Chief H.R. Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-02-15	Common	A	806	$32.05	Acquired	22018	Direct
2023-02-15	Common	F	304	$32.05	Disposed	21714	Direct
2023-02-15	Common	A	628	$32.05	Acquired	22342	Direct
2023-02-15	Common	F	237	$32.05	Disposed	22105	Direct
2023-02-15	Common	A	864	$32.05	Acquired	22969	Direct
2023-02-15	Common	F	326	$32.05	Disposed	22643	Direct