Mistras SEC Filings

Eileen Mary Coggins, EVP & Chief Legal Officer of Mistras Group, acquired 15,000 restricted stock units that vest 100% on the first anniversary of the grant and holds 25,000 stock options exercisable one year after grant with an exercise price of $9.55 and an expiration date in 2035. After the reported transactions she beneficially owns 15,000 shares directly and 25,000 option shares listed as direct holdings. The Form 4 discloses the grant terms and the ownership changes without additional financial performance details.

Eileen Mary Coggins, EVP & Chief Legal Officer of Mistras Group, Inc. (MG), reported initial beneficial ownership on Form 3.

She directly owns 15,000 shares of common stock and holds options to buy 25,000 shares

An award of 15,000 restricted stock units will vest 100% on the first anniversary of the grant. The reported option exercise date begins 09/15/2026 with expiration 09/15/2035 and exercise price $9.55.

Stephanie Foglia reported beneficial ownership of 1,600,046 shares of Mistras Group, Inc. common stock, representing 5.1% of the outstanding shares based on 31,538,050 total shares as of August 6, 2025. The filing shows Ms. Foglia holds sole voting and sole dispositive power over all 1,600,046 shares. The Schedule 13G states the securities were not acquired to change or influence control of the issuer. The filing identifies Mistras Group's principal executive office at 195 Clarksville Road, Princeton Junction, New Jersey.

Kristy Kyriakopoulos filed a Schedule 13G reporting beneficial ownership of 1,669,553 shares of Mistras Group, Inc. common stock, representing 5.3% of the outstanding class based on 31,538,050 shares. The filing states these shares are owned with sole voting and dispositive power and includes a certification that the holdings were not acquired to influence control of the issuer.

The report identifies the issuer by CUSIP 60649T107 and lists the issuer address in Princeton Junction, New Jersey. A power of attorney exhibit is attached and the filing is dated September 11, 2025.

A Schedule 13G filed for Mistras Group, Inc. reports that Aspasia Vahaviolos beneficially owns 6,105,650 shares of the company’s common stock, representing 19.4% of the class based on 31,538,050 outstanding shares as of August 6, 2025. The filing states Ms. Vahaviolos has sole voting and dispositive power over these shares and certifies the holdings were not acquired to change or influence control of the issuer. The document includes an executed power of attorney and identifies the issuer’s principal office in Princeton Junction, New Jersey.

Aspasia Vahaviolos, a director of Mistras Group, Inc. (MG), reported an acquisition of common stock on 07/02/2025. The Form 4 shows 2,217,087 shares acquired at a reported price of $0, and lists total beneficial ownership of 6,105,650 shares following the transaction. The filing indicates no derivative securities were reported. The Form 4 was signed by an attorney-in-fact, Michael C. Keefe, on 09/10/2025. No additional transaction details or explanatory notes appear in the document.

Mistras Group insider disclosure: This Form 4 shows that a trust associated with Sotirios Vahaviolos completed a distribution of 4,685,578 shares of Mistras Group, Inc. (ticker MG) on 07/02/2025. The transaction is coded as a distribution (code G) at a price of $0, and the report shows 0 shares beneficially owned by the reporting trust after the distribution. The filing notes this distribution represented the final distribution and the trust was terminated. The Form 4 was signed by an attorney-in-fact for the trustee on 09/10/2025.

Mistras Group, Inc. (MG) director Aspasia Vahaviolos reported an initial beneficial ownership filing showing ownership of 3,888,563 shares of the company's common stock. The Form 3 discloses the reportable event date as 05/23/2025 and the filing was signed by an attorney-in-fact on 09/10/2025. The filing indicates the shares are directly owned and that this is an initial ownership statement for a company director.

Natalia Shuman-Fabbri, President and CEO and Director of Mistras Group, Inc. (MG), reported awards on 09/08/2025. The filing shows receipt of 25,000 restricted stock units that vest 100% on the first anniversary of the grant and 35,000 stock options granted with a $9.71 exercise price, exercisable beginning 09/08/2026 and expiring 09/07/2035. Following the transactions she beneficially owns 25,000 shares from the RSUs and 35,000 underlying shares from the options, all held in a direct ownership form. The form was signed by an attorney-in-fact on 09/09/2025.