MarketPeel
Insider Trading Intelligence
MS

Manuel N. Stamatakis

MG
EXECUTIVE CHAIRMAN · MISTRAS GROUP, INC. · CIK 0001473735
FILING MIX · LIFETIME92%/8%
BUYS
22
SELLS
2
TOTAL VALUE
$1.07M
COMPANIES
1
ACTIVE SINCE
Mar 2020
HOLDINGS NOW
509,795
AVG SELL PX
$4.74
TRADE KIND
SHOWING 24 / 24
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
8 backtested trades · 8 horizons · 2 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Manuel N. Stamatakis, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d8+75.00%+1.88%+0.65%+1.23%+2.27%
14d8+50.00%+2.03%+1.68%+0.35%+2.49%
30d8+62.50%+12.26%+2.79%+9.47%+6.47%
60d8+50.00%+9.92%+6.50%+3.42%-2.14%
90d8+50.00%+15.20%+8.97%+6.23%+4.15%
180d8+37.50%+26.43%+15.19%+11.23%+3.97%
1y8+62.50%+48.49%+23.22%+25.27%+19.93%
2y8(2 pending)+50.00%+3.71%+26.51%-22.80%-32.02%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
MG · 509,795 shares · as of Mar 4, 2026
0127,652255,305382,957510,609202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 22 buys / 2 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
MG
MISTRAS GROUP, INC.
SALE
Executive Chairman
814$15.68$12.8K509,795Mar 4, 2026Mar 10, 2026View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
86,310510,609Feb 25, 2026Mar 3, 2026View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
40,000424,299Jan 2, 2026Jan 5, 2026View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
40,000424,299Jan 2, 2026Jan 9, 2026View →
MG
MISTRAS GROUP, INC.
PURCHASE
Executive Chairman
10,000$7.71$77.1K384,299Jun 5, 2025Jun 6, 2025View →
MG
MISTRAS GROUP, INC.
PURCHASE
Executive Chairman
10,000$9.95$99.5K374,299Mar 19, 2025Mar 20, 2025View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
5,700364,299Mar 5, 2025Mar 6, 2025View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
375,000375,000Jan 6, 2025Jan 7, 2025View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
125,000358,599May 14, 2024May 16, 2024View →
MG
MISTRAS GROUP, INC.
PURCHASE
Interim President and CEO
15,000$6.00$90.0K233,599Nov 7, 2023Mar 27, 2024View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
250,000250,000Oct 11, 2023Oct 13, 2023View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
10,223218,599Aug 11, 2023Aug 11, 2023View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
9,666208,376Mar 15, 2023Mar 17, 2023View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
7,111198,710Aug 18, 2022Aug 19, 2022View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
6,870191,599Mar 16, 2022Mar 18, 2022View →
MG
MISTRAS GROUP, INC.
PURCHASE
5,000$9.62$48.1K184,729Aug 17, 2021Aug 19, 2021View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
4,357179,729Aug 9, 2021Aug 9, 2021View →
MG
MISTRAS GROUP, INC.
PURCHASE
15,000$9.98$149.7K175,372May 11, 2021May 12, 2021View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
4,110160,372Mar 23, 2021Mar 24, 2021View →
MG
MISTRAS GROUP, INC.
PURCHASE
20,000$7.35$147.0K156,262Dec 18, 2020Dec 21, 2020View →
MG
MISTRAS GROUP, INC.
SALE
47,721$4.55$217.1K136,262Nov 16, 2020Nov 17, 2020View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
8,753183,983Aug 25, 2020Aug 25, 2020View →
MG
MISTRAS GROUP, INC.
PURCHASE
50,000$4.67$233.5K175,230Mar 30, 2020Apr 1, 2020View →
MG
MISTRAS GROUP, INC.
PURCHASEGRANT
Stock grant
2,512125,230Mar 30, 2020Apr 1, 2020View →
Other insiders · MG
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About this filer
CIK 0001473735
ROLE
Executive Chairman
PRIMARY
MG
COMPANIES
1
ACTIVE SINCE
Mar 2020
MARKETPEEL · /INSIDER/0001473735DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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