FORM 10-K

Company

Mistras Group, Inc.

Filed

August 17, 2010

Period of Report

May 31, 2010

Accession Number

0001019056-10-001041

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 →