4Q2012 RELEASE

Company

PRINCIPAL FINANCIAL GROUP INC

Filed

February 1, 2013

Period of Report

January 31, 2013

Accession Number

0001126328-13-000042

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 →