Live feed17:31:49·1250dINSIDERFilingvia QuantisnowSEC Form 3: New insider Sotirios Vahaviolos January 2023 2-Year Grantor Retained Annuity Trust claimed ownership of 6,734,718 sharesByQuantisnow·Wall Street's wire, on your screen.MG· Mistras Group IncConsumer DiscretionaryOriginal source