Stocks · Industrials · Services-Engineering Services

Mistras Group, Inc.

MG Clue Score43
United States Fiscal year ends December CIK 0001436126 Results filed 10 Aug 2026

What the insiders did Net selling

By person

21 insiders · 98 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Sotirios J. Vahaviolos
Director
$396.27K (1)
$24.96M (10)
−$24.56M
3,890,699
12.22%
$70.03M
−59.0%
Manuel N. Stamatakis
Executive Chairman
$1.88M (16)
$217.13K (1)
+$1.66M
509,795
1.60%
$9.18M
+1,131%
Nicholas Debenedictis
Director
$1.39M (26)
—
+$1.39M
273,820
0.8597%
$4.93M
+1,318%
Michael J. Lange
Senior EVP
—
$1.14M (9) scheduled
−$1.14M
240,515
0.7552%
$4.33M
−15.6%
Dennis Bertolotti
President and CEO
$33.63K (3)
$490.10K (5)
−$456.47K
424,358
1.33%
$7.64M
+223.1%
Michael C Keefe
EVP, General Counsel
—
$414.36K (4)
−$414.36K
91,558
0.2875%
$1.65M
+65.7%
Richard H Glanton
Director
$4.80K (1)
$397.77K (3)
−$392.97K
73,351
0.2303%
$1.32M
+359.4%
Eileen Mary Coggins
Chief Legal Officer
$143.25K (1)
—
+$143.25K
13,364
0.0420%
$240.55K
—
Jonathan H Wolk
Sr. EVP and COO
$92.26K (5)
—
+$92.26K
194,575
0.6109%
$3.50M
+133.7%
John Anthony Smith
Executive Vice President
—
$63.01K (1)
−$63.01K
100,447
0.3154%
$1.81M
−3.9%
Stephanie Athena Foglia
10% owner
—
$61.70K (4)
−$61.70K
5,778,840
18.14%
$104.02M
−18.7%
James J Forese
Director
$45.60K (1)
—
+$45.60K
177,043
0.5559%
$3.19M
+164.0%
Michelle Lohmeier
Director
$41.27K (2)
—
+$41.27K
99,223
0.3115%
$1.79M
—
Wayne Curtis Weldon
Director
$19.91K (1)
$55.19K (1)
−$35.28K
36,106
0.1134%
$649.91K
+242.5%
Aspasia Felice Vahaviolos
10% owner
—
—
—
2,154,541
6.76%
$38.78M
−44.2%
Edward J Prajzner
Sr. EVP and CFO
—
—
—
148,076
0.4649%
$2.67M
—
Natalia Shuman-Fabbri
President and CEO
—
—
—
123,780
0.3886%
$2.23M
—
Charles P Pizzi
Director
—
—
—
73,480
0.2307%
$1.32M
—
Hanei Wail Hammad
EVP & Chief Operating Officer
—
—
—
61,777
0.1940%
$1.11M
—
Gennaro A. D'Alterio
EVP, Chief Commercial Officer
—
—
—
46,577
0.1462%
$838.39K
—
Sotirios Vahaviolos January 2023 2-Year Grantor Retained Annuity Trust entity
10% owner
—
—
—
0
0.0000%
$0.00
−100.0%