Manuel N. Stamatakis Mistras Group, Inc. (MG) insider trading activity

Manuel N. Stamatakis is Executive Chairman of Mistras Group, Inc.. Currently has a direct ownership of 424,299 shares of MG, which is worth approximately $5.35 Million. The most recent transaction as insider was on Jan 02, 2026, when has been sold 40,000 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 424K

10.41% 3M change

18.32% 12M change

Total Value Held $5.35 Million

Manuel N. Stamatakis Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 02 2026	BUY Grant, award, or other acquisition	-	40,000 Added 8.62%	424,299 Common Stock
Jun 05 2025	BUY Open market or private purchase	$77,100 $7.71 p/Share	10,000 Added 2.54%	384,299 Common Stock
Mar 19 2025	BUY Open market or private purchase	$99,500 $9.95 p/Share	10,000 Added 2.6%	374,299 Common Stock
Mar 05 2025	BUY Grant, award, or other acquisition	-	5,700 Added 1.54%	364,299 Common Stock
May 14 2024	BUY Grant, award, or other acquisition	-	125,000 Added 25.85%	358,599 Common Stock
Nov 07 2023	BUY Open market or private purchase	$90,000 $6.0 p/Share	15,000 Added 6.03%	233,599 Common Stock
Aug 11 2023	BUY Grant, award, or other acquisition	-	10,223 Added 4.47%	218,599 Common Stock

Mar 15 2023	BUY Grant, award, or other acquisition	-	9,666 Added 4.43%	208,376 Common Stock
Aug 18 2022	BUY Grant, award, or other acquisition	-	7,111 Added 3.45%	198,710 Common Stock
Mar 16 2022	BUY Grant, award, or other acquisition	-	6,870 Added 3.46%	191,599 Common Stock
Aug 17 2021	BUY Open market or private purchase	$48,100 $9.62 p/Share	5,000 Added 2.64%	184,729 Common Stock
Aug 09 2021	BUY Grant, award, or other acquisition	-	4,357 Added 2.37%	179,729 Common Stock
May 11 2021	BUY Open market or private purchase	$149,700 $9.98 p/Share	15,000 Added 7.88%	175,372 Common Stock
Mar 23 2021	BUY Grant, award, or other acquisition	-	4,110 Added 2.5%	160,372 Common Stock
Dec 18 2020	BUY Open market or private purchase	$147,000 $7.35 p/Share	20,000 Added 11.35%	156,262 Common Stock
Nov 16 2020	SELL Open market or private sale	$217,131 $4.55 p/Share	47,721 Reduced 25.94%	136,262 Common Stock

MNS

Manuel N. Stamatakis

Executive Chairman

Princeton Junction, NJ

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