DEFINITIVE PROXY STATEMENT

Company

COLUMBIA BANKING SYSTEM, INC.

Filed

March 16, 1998

Period of Report

April 22, 1998

Accession Number

0001032210-98-000222

A DEF 14A is a proxy statement sent to shareholders before an annual meeting. It covers executive compensation, board elections, and shareholder votes. Learn more about DEF 14A filings →