NYSE: MG
Mistras Group Inc Stock Ownership - Who owns Mistras Group?

Insider buying vs selling

Have Mistras Group Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Edward J. PrajznerSr. EVP and CFO2026-01-052,699$12.65
$34.14kSell
Edward J. PrajznerSr. EVP and CFO2026-01-052,699$12.65
$34.14kSell
Edward J. PrajznerSr. EVP and CFO2026-01-052,699$12.65
$34.14kSell
Gennaro A. DalterioEVP Chief Commercial Officer2025-09-24475$9.53
$4.53kSell
Eileen Mary CogginsEVP Chief Legal Officer2025-09-1515,000$9.55
$143.25kBuy
Eileen Mary CogginsEVP Chief Legal Officer2025-09-1515,000$9.55
$143.25kBuy
Manuel N. StamatakisExecutive Chairman2025-06-0510,000$7.71
$77.10kBuy
Nicholas DebenedictisDirector2025-03-201,038$10.01
$10.39kBuy
Michael C. KeefeEVP General Counsel2025-03-191,029$9.84
$10.13kSell
Edward J. PrajznerSr. EVP and CFO2025-03-191,303$9.84
$12.82kSell

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Net Insider Buy/Sell (L12M) Ownership

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MG Shareholders

What type of owners hold Mistras Group Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Sotirios J. Vahaviolos12.33%3,890,699$53.50MInsider
Aspasia Felice Vahaviolos12.33%3,888,563$53.47MInsider
MILL Road Capital Management LLC5.30%1,672,381$23.00MInstitution
Dimensional Fund Advisors LP5.18%1,633,327$22.46MInstitution
Royce Associates LP4.26%1,342,747$18.46MInstitution
Vanguard Group Inc3.69%1,165,054$16.02MInstitution
Blackrock Inc3.35%1,058,273$14.55MInstitution
Elizabeth Burgess3.06%965,594$13.28MInsider
Clearline Capital LP2.22%698,849$9.61MInstitution
Federated Hermes Inc2.16%680,245$9.35MInstitution

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MG vs Security & Protection Service Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MG50.45%37.22%Net BuyingNet Selling
NL2.59%97.41%Net Buying
CIX2.83%97.17%Net Buying
BAER33.42%37.19%Net BuyingNet Buying
CIGL1.74%0.00%

Mistras Group Stock Ownership FAQ

Who owns Mistras Group?

Mistras Group (NYSE: MG) is owned by 50.45% institutional shareholders, 37.22% Mistras Group insiders, and 12.33% retail investors. Sotirios J. Vahaviolos is the largest individual Mistras Group shareholder, owning 3.89M shares representing 12.33% of the company. Sotirios J. Vahaviolos's Mistras Group shares are currently valued at $54.35M.

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