COLUMBIA BANKING SYSTEM, INC. — Director's Dealing 2018

Jul 5, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COLUMBIA BANKING SYSTEM INC (COLB)
CIK: 0000887343
Period of Report: 2018-07-05

Reporting Person: BARUFFI KUMI YAMAMOTO (EVP and General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-07-05	Common	P	374	$36.81	Acquired	13253	Direct

Footnotes

F1: ESPP Purchase