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Mistras Group, Inc.

MG Net selling
CIK 0001436126 #2926 in the set updated 22 Sep 2026
Bought (120 mo)
$4.05M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$31.79M
$1.09M on a plan · $112.60K straight out of an exercise
Sold at will
$30.59M
31 of 40 sales
Net
−$27.75M
−$26.54M against sales at will

By person

21 insiders · 100 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Vahaviolos Sotirios J.
Director
$396.27K (1)
$28.96M (12)
−$28.56M
3,890,699
12.22%
$70.03M
−59.8%
Stamatakis Manuel N.
Executive Chairman
$1.88M (16)
$217.13K (1)
+$1.66M
509,795
1.60%
$9.18M
+1,131%
DEBENEDICTIS NICHOLAS
Director
$1.39M (26)
+$1.39M
273,820
0.8597%
$4.93M
+1,318%
Lange Michael J.
Senior EVP
$1.14M (9) scheduled
−$1.14M
240,515
0.7552%
$4.33M
−16.7%
Bertolotti Dennis
President and CEO
$33.63K (3)
$490.10K (5)
−$456.47K
424,358
1.33%
$7.64M
+218.5%
Keefe Michael C
EVP, General Counsel
$414.36K (4)
−$414.36K
91,558
0.2875%
$1.65M
+61.5%
GLANTON RICHARD H
Director
$4.80K (1)
$397.77K (3)
−$392.97K
73,351
0.2303%
$1.32M
+359.4%
Coggins Eileen Mary
Chief Legal Officer
$143.25K (1)
+$143.25K
13,364
0.0420%
$240.55K
Wolk Jonathan H
Sr. EVP and COO
$92.26K (5)
+$92.26K
194,575
0.6109%
$3.50M
+133.7%
Smith John Anthony
Executive Vice President
$63.01K (1)
−$63.01K
100,447
0.3154%
$1.81M
−3.9%
Foglia Stephanie Athena
10% owner
$61.70K (4)
−$61.70K
5,778,840
18.14%
$104.02M
−18.7%
FORESE JAMES J
Director
$45.60K (1)
+$45.60K
177,043
0.5559%
$3.19M
+164.0%
Lohmeier Michelle
Director
$41.27K (2)
+$41.27K
99,223
0.3115%
$1.79M
WELDON WAYNE CURTIS
Director
$19.91K (1)
$55.19K (1)
−$35.28K
36,106
0.1134%
$649.91K
+242.5%
Vahaviolos Aspasia Felice
10% owner
2,154,541
6.76%
$38.78M
−44.2%
Prajzner Edward J
Sr. EVP and CFO
148,076
0.4649%
$2.67M
SHUMAN-FABBRI NATALIA
President and CEO
123,780
0.3886%
$2.23M
PIZZI CHARLES P
Director
73,480
0.2307%
$1.32M
Hammad Hanei Wail
EVP & Chief Operating Officer
61,777
0.1940%
$1.11M
D'Alterio Gennaro A.
EVP, Chief Commercial Officer
47,239
0.1483%
$850.30K
Sotirios Vahaviolos January 2023 2-Year Grantor Retained Annuity Trust entity
10% owner
0
0.0000%
$0.00
−100.0%
Insider
Date
Role
Action
Shares
Price
Amount
Bertolotti Dennis
28 Feb 2017
President and COO
Sold after exercise
5,000
$22.52
$112.60K

What was left out

Form 4 filings counted 383
Amendments (4/A) skipped 14
Filings about a different issuer 0
Unreadable filings 0
Joint filings 3
Sales on a Rule 10b5-1 plan 8
Sales straight out of an exercise 1
Sales at will 31
Transactions with no price 0
Shares from compensation/vesting 28,519,709
Sales filed before the plan box existed 24
History held since 12 Sep 2016