10-K

Company

OLD SECOND BANCORP INC

Filed

March 15, 2005

Period of Report

December 31, 2004

Accession Number

0001104659-05-011136

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 →