Sotirios J. Vahaviolos
Executive Chairman at Mistras Group Inc
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 · Executive Chairman
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 6, 2024 | Mistras Group Inc | Gift | +2,049,140 | — | — |
| Dec 21, 2023 | Mistras Group Inc | Gift | −5,100 | — | — |
| Dec 20, 2023 | Mistras Group Inc | Gift | −5,100 | — | — |
| Dec 19, 2023 | Mistras Group Inc | Gift | −20,400 | — | — |
| Jan 9, 2023 | Mistras Group Inc | Gift | −6,734,718 | — | — |
| Dec 23, 2019 | Mistras Group Inc | Gift | −2,112 | — | — |
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