DEFA14A 1 ny20006941x501_defa14a.htm FORM DEFA14A

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)
Information Required in Proxy Statement

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934

Filed by the Registrant ☒ | Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ | Preliminary Proxy Statement
☐ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐ | Definitive Proxy Statement
☒ | Definitive Additional Materials
☐ | Soliciting Material Pursuant to §240.14a-12

Mistras Group, Inc.

(Name of registrant as specified in its charter)

(Name of person(s) filing proxy statement, if other than the registrant)

Payment of Filing Fee (Check the appropriate box):

☒ | No fee required.
☐ | Fee paid previously with preliminary materials.
☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11