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Insider · CIK 0001473735

Manuel N. Stamatakis

chairofficerdirector

Files at MG (Mistras Group, Inc.). First filing Jun 6, 2025, latest Jun 6, 2025.

Manuel N. Stamatakis files SEC Form 4 as chair and director at MG (Mistras Group, Inc.). Since Jun 6, 2025, Manuel N. Stamatakis has reported 1 open-market buy worth $77k and 0 open-market sells worth $0, the latest filed on Jun 6, 2025.

A track record needs three past buys with six months of prices behind them; Manuel N. Stamatakis has 0, so none is measured yet.

The newest scored trade: bought $77k of MG on Jun 5, 2025, filed Jun 6, 2025, scored 46 (moderate).

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 0
$77k bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

MG: Mistras Group, Inc.

MGOct 9, 2026 · close 20.77

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
46Moderate
MGbuy
Mistras Group, Inc.
$77k
10,000 shares
+3%+6% from low-37% from high

Transactions

Every row this insider has filed, 5 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Mar 4, 2026MG
Mistras Group, Inc.
FTax withholding
Common Stock
-814$15.68$13k509,795Mar 10, 2026
Feb 25, 2026MG
Mistras Group, Inc.
AGrant or award
Common Stock
+86,310$0.00$0510,609Mar 6, 2026
Jan 2, 2026MG
Mistras Group, Inc.
AGrant or award
Common Stock
+40,000$0.00$0424,299Jan 9, 2026
Jan 2, 2026MG
Mistras Group, Inc.
AGrant or award
Common Stock
+40,000$0.00$0424,299Jan 5, 2026
Jun 5, 2025MG
Mistras Group, Inc.
POpen-market purchase
Common Stock
+10,000$7.71$77k384,299Jun 6, 2025

Questions about Manuel N. Stamatakis

Answered from the filings on this page, as of the latest one.

Is Manuel N. Stamatakis buying or selling?

Not in the last 12 months. Manuel N. Stamatakis's latest open-market trade on SEC Form 4 was bought $77k of MG on Jun 5, 2025.

How did Manuel N. Stamatakis's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Manuel N. Stamatakis has 0.

Where does Manuel N. Stamatakis file Form 4?

Manuel N. Stamatakis has filed Form 4 at MG (Mistras Group, Inc.) as Executive Chairman. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Manuel N. Stamatakis: insider trades and track record | InsiderTell