COLUMBIA BANKING SYSTEM, INC. — Director's Dealing 2021

Mar 19, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COLUMBIA BANKING SYSTEM, INC. (COLB)
CIK: 0000887343
Period of Report: 2021-03-18

Reporting Person: Stein Clint (Director, PRESIDENT, CEO & DIRECTOR)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-18	Common Stock	A	4124	—	Acquired	33354	Direct
2021-03-18	Common Stock	F	1624	$35.90	Disposed	31730	Direct

Footnotes

F1: 2018 Performance Based Award Vesting