SEC Insider Transactions from Stamatakis Manuel N..

Last updated: 2026-03-16 13:04 UTC | Total transactions: 10

Manuel N. Stamatakis, Executive Chairman of Mistras Group Inc. ($MG), made two open market purchases of $MG stock in the last year, totaling about $177 thousand. His most recent buy occurred on June 5, 2025. These purchases rank 1678th among 4983 insiders in our database, where the average buy amounts to roughly $1.5 million across about 3.3 transactions. Stamatakis reported no open market sales during this period.

Set Up your own filters →
Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 4, 2026 Mistras Group, Inc. $MG Stamatakis Manuel N. Executive Chairman F Common Stock 814 $15.68 509,795.0000 31,920,000 0.16% 0.00%
Feb. 25, 2026 Mistras Group, Inc. $MG Stamatakis Manuel N. Executive Chairman A Common Stock 86310 $0.00 510,609.0000 31,920,000 20.34% 0.27%
Jan. 2, 2026 Mistras Group, Inc. $MG Stamatakis Manuel N. Executive Chairman A Common Stock 40000 $0.00 424,299.0000 31,920,000 10.41% 0.13%
Jan. 2, 2026 Mistras Group, Inc. $MG Stamatakis Manuel N. Executive Chairman A Common Stock 40000 $0.00 424,299.0000 31,920,000 10.41% 0.13%
June 5, 2025 Mistras Group, Inc. $MG Stamatakis Manuel N. Executive Chairman P Common Stock 10000 $7.71 384,299.0000 31,608,000 2.67% 0.03%
March 19, 2025 Mistras Group, Inc. $MG Stamatakis Manuel N. Executive Chairman P Common Stock 10000 $9.95 374,299.0000 31,608,000 2.74% 0.03%
March 5, 2025 Mistras Group, Inc. $MG Stamatakis Manuel N. Executive Chairman A Common Stock 5700 $0.00 364,299.0000 31,608,000 1.59% 0.02%
Jan. 6, 2025 Mistras Group, Inc. $MG Stamatakis Manuel N. Executive Chairman A Stock Options (Right to Buy) 375000 $0.00 375,000.0000 31,608,000 9999.99% 1.19%
May 14, 2024 Mistras Group, Inc. $MG Stamatakis Manuel N. Interim President and CEO A Common Stock 125000 $0.00 358,599.0000 30,330,000 53.51% 0.41%
Nov. 7, 2023 Mistras Group, Inc. $MG Stamatakis Manuel N. Interim President and CEO P Common Stock 15000 $6.00 233,599.0000 30,229,000 6.86% 0.05%