10-K Filing

Company

United Airlines Holdings, Inc.

Filed

March 31, 2006

Period of Report

December 31, 2005

Accession Number

0000100517-06-000021

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 →