Manuel N. Stamatakis

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Mistras Group Inc, 3 years.

Mistras Group Inc Director ยท Executive Chairman
3 years ยท Since 2023

Chief executive roles

Mistras Group Inc ยท Interim President and CEO Interim
Until January 2025 ยท Former

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Mar 4, 2026 Mistras Group Inc Shares withheld for tax โˆ’814 $15.68 $12,764
Feb 25, 2026 Mistras Group Inc Grant or award +86,310 โ€” โ€”
Jan 2, 2026 Mistras Group Inc Grant or award +40,000 โ€” โ€”
Jun 5, 2025 Mistras Group Inc Open-market purchase +10,000 $7.71 $77,100
Mar 19, 2025 Mistras Group Inc Open-market purchase +10,000 $9.95 $99,500
Mar 5, 2025 Mistras Group Inc Grant or award +5,700 โ€” โ€”
May 14, 2024 Mistras Group Inc Grant or award +125,000 โ€” โ€”
Nov 7, 2023 Mistras Group Inc Open-market purchase +15,000 $6.00 $90,000
Aug 11, 2023 Mistras Group Inc Grant or award +10,223 โ€” โ€”
Mar 15, 2023 Mistras Group Inc Grant or award +9,666 โ€” โ€”

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