FORM 8-K - LARRY ZIMPLEMAN RETIREMENT

Company

PRINCIPAL FINANCIAL GROUP INC

Filed

December 4, 2015

Period of Report

December 1, 2015

Accession Number

0001126328-15-000293

An 8-K is a current report used to announce material events that shareholders should know about — such as earnings releases, mergers, executive changes, or bankruptcy. Learn more about 8-K filings →