THE PROGRESSIVE CORPORATION FORM 10-K

Company

PROGRESSIVE CORP/OH/

Filed

February 28, 2006

Period of Report

December 31, 2005

Accession Number

0000950152-06-001512

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →