Welcome to our dedicated page for Mistras Group SEC filings (Ticker: MG), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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Mistras Group, Inc. insider Stephanie Foglia and a related trust report beneficial ownership of 6,862,978 shares of common stock, representing 21.72% of the company’s outstanding shares, based on 31,595,562 shares outstanding as of March 9, 2026.
The 2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. Vahaviolos holds 5,251,358 shares, transferred as a gift on December 31, 2025, with Foglia serving as trustee. Foglia also holds a smaller personal stake through IPO purchases, equity compensation, and immediate family members. The filing states the position is for investment purposes and notes no current plans for corporate changes, while reserving the right to buy or sell additional shares.
Mistras Group, Inc. executive vice president and chief operating officer Hammad Hanei Wail reported a tax-related share disposition. On the transaction date, 2,865 shares of common stock were withheld to pay taxes upon vesting of restricted stock units, rather than sold in the open market. Following this withholding, he directly holds 61,777 shares of Mistras Group common stock.
Mistras Group, Inc. senior executive Edward J. Prajzner reported a routine tax-related share disposition. On the reported date, 1,367 shares of common stock were withheld at a price of $14.05 per share to cover taxes due upon the vesting of restricted stock units. Following this tax-withholding transaction, he directly holds 148,076 shares of Mistras Group common stock.
Mistras Group, Inc. senior executive vice president and CFO Edward J. Prajzner reported a routine tax-related share disposition. On the reported date, 2,239 shares of common stock were withheld to cover taxes upon the vesting of restricted stock units, rather than being sold on the open market. After this withholding, he directly holds 149,443 shares of Mistras Group common stock, indicating he retains a substantial equity position in the company.
Mistras Group, Inc. reports 2025 results and outlines its strategy as a global provider of technology-enabled asset integrity and testing solutions for energy, aerospace, power, and infrastructure customers. Revenue was $724.0 million in 2025, slightly below $729.6 million in 2024 but above $705.5 million in 2023.
The company generated net income of $16.9 million in 2025 versus net income of $19.0 million in 2024 and a net loss of $17.4 million in 2023. About 81% of 2025 revenue came from North America, with oil and gas customers contributing 55% of total revenue.
Mistras emphasizes recurring field services, data-analytics platforms such as OneSuite and PCMS, and aerospace and lab testing capabilities, while highlighting industry drivers including aging infrastructure, digitalization, regulatory pressure, and climate and geopolitical risks. As of March 2026, it had 31,595,562 common shares outstanding.
Mistras Group Executive Chairman Manuel N. Stamatakis reported a tax-related share disposition. On March 4, 2026, he disposed of 814 shares of Mistras Group common stock at $15.68 per share through a tax-withholding transaction, not an open-market sale. After this filing, he directly holds 509,795 shares.
Mistras Group, Inc. executive Hammad Hanei Wail, EVP & Chief Operating Officer, reported a small tax-related share disposition. On the vesting of restricted stock units, 337 shares of common stock were withheld at $15.68 per share to cover taxes. Following this routine withholding, he holds 64,642 common shares directly.
Mistras Group, Inc. Sr. EVP and CFO Edward Prajzner reported two tax-withholding dispositions of common stock tied to vesting equity awards. On March 7, 2026, 2,540 shares were withheld at $14.82 per share. On March 4, 2026, 698 shares were withheld at $15.68 per share. Footnotes state these transactions represent shares withheld to pay taxes upon vesting of restricted stock units and performance-based restricted stock units, rather than open-market sales. Following these transactions, Prajzner directly owned 151,682 common shares.
Mistras Group EVP and Chief Commercial Officer Gennaro A. D'Alterio reported a small tax-related share disposition. He disposed of 184 shares of Mistras Group common stock at $15.68 per share to cover taxes upon vesting of restricted stock units, and now directly holds 47,239 common shares.
Mistras Group, Inc. executive Hammad Hanei Wail, EVP & Chief Operating Officer, reported updated insider activity. On February 25, 2026, he acquired 29,762 shares of common stock at $0.00 per share as a restricted stock unit (RSU) award for a performance grant. According to the footnote, these RSUs vest on December 31 in 2026, 2027, 2028 and 2029. After this award, his directly owned stake was 88,357 common shares.
The amended filing also restates a prior transaction from March 25, 2025, when 6,384 shares were disposed of at $10.79 per share to satisfy tax obligations through a tax-withholding disposition, not an open-market sale. Following that earlier transaction, he directly held 58,595 shares.