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.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Mistras Group Inc May 14, 202496.2%
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Mistras Group Inc May 22, 202396.9%
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 | — | — |
Questions about Sotirios J. Vahaviolos
What boards is Sotirios J. Vahaviolos on?
Sotirios J. Vahaviolos sits on the board of Mistras Group Inc.
How long has Sotirios J. Vahaviolos served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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