Manuel N. Stamatakis - 02 Jan 2026 Form 4/A - Amendment Insider Report for Mistras Group, Inc. (MG)

Role
Executive Chairman, Director
Signature
/s/ Laura Boswell, attorney-in-fact for Manuel Stamatakis
Issuer symbol
MG
Transactions as of
02 Jan 2026
Net transactions value
$0
Form type
4/A - Amendment
Filing time
09 Jan 2026, 15:01:57 UTC
Date Of Original Report
05 Jan 2026
Previous filing
06 Jun 2025
Next filing
06 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Stamatakis Manuel N. Executive Chairman, Director C/O MISTRAS GROUP, INC., 195 CLARKSVILLE ROAD, PRINCETON JUNCTION /s/ Laura Boswell, attorney-in-fact for Manuel Stamatakis 09 Jan 2026 0001473735

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MG Common Stock Award $0 +40,000 +10% $0.000000 424,299 02 Jan 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents an award of restricted stock units that will vest 100% on the first anniversary date of the grant.

Remarks:

This amendment is being filed solely to correct an administrative error on the signature line.