Mistras Group, Inc. - Schedule 13G/A Filing

Kristy Kyriakopoulos, a US citizen, has filed an amendment (Amendment No. 1) to Schedule 13G regarding Mistras Group, Inc. common stock. The filing corrects an administrative error in the original filing dated September 11, 2025. The corrected beneficial ownership is reported as 1,617,006 shares, representing 5.12% of the outstanding shares as of March 9, 2026. Kyriakopoulos holds sole voting and dispositive power over these shares. The securities were not acquired or held for the purpose of changing or influencing the control of the issuer.