X0508 4 2023-08-09 0001436126 Mistras Group, Inc. MG 0001194707 DEBENEDICTIS NICHOLAS C/O MISTRAS GROUP 195 CLARKSVILLE PRINCETON JUNCTION NJ 08550 1 0 Common Stock 2023-08-09 4 A 0 10223 0 A 186623 D Common Stock 25000 I By Spouse Transaction represents an award of stock for director fees. Michael C. Keefe. attorney-in-fact for Nicholas DeBenedictis 2023-08-11