FORM 10-K

Company

NORTHERN TECHNOLOGIES INTERNATIONAL CORP

Filed

November 21, 2011

Period of Report

August 31, 2011

Accession Number

0001171843-11-003555

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 →