16 insiders reported 65 Form 4 transactions for Mistras Group, Inc. (MG) over the past 18 months (most recent 2026-06-12). Recent activity: Foglia Stephanie Athena (Insider) Sell 411,875 shares, Vahaviolos Aspasia Felice (Insider) Buy 411,875 shares, 2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. Vahaviolos (Insider) Sell 411,875 shares, GLANTON RICHARD H (Director) Buy 6,862 shares, FORESE JAMES J (Director) Buy 6,862 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-12 | Foglia Stephanie Athena | Insider | Sell | 411,875 | $0 |
| 2026-06-12 | Vahaviolos Aspasia Felice | Insider | Buy | 411,875 | $0 |
| 2026-06-12 | 2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. Vahaviolos | Insider | Sell | 411,875 | $0 |
| 2026-05-21 | GLANTON RICHARD H | Director | Buy | 6,862 | $0 |
| 2026-05-21 | FORESE JAMES J | Director | Buy | 6,862 | $0 |
| 2026-05-21 | PIZZI CHARLES P | Director | Buy | 6,862 | $0 |
| 2026-05-21 | DEBENEDICTIS NICHOLAS | Director | Buy | 6,862 | $0 |
| 2026-05-21 | Lohmeier Michelle | Director | Buy | 6,862 | $0 |
| 2026-03-26 | Hammad Hanei Wail | EVP & Chief Operating Officer | Sell | 2,865 | $43,262 |
| 2026-03-23 | Prajzner Edward J | Sr. EVP and CFO | Sell | 1,367 | $19,206 |
| 2026-03-17 | Prajzner Edward J | Sr. EVP and CFO | Sell | 2,239 | $32,712 |
| 2026-03-10 | Hammad Hanei Wail | EVP & Chief Operating Officer | Sell | 337 | $5,284 |
| 2026-03-10 | Prajzner Edward J | Sr. EVP and CFO | Sell | 698 | $10,945 |
| 2026-03-10 | Prajzner Edward J | Sr. EVP and CFO | Sell | 2,540 | $37,643 |
| 2026-03-10 | Stamatakis Manuel N. | Executive Chairman | Sell | 814 | $12,764 |
| 2026-03-10 | D'Alterio Gennaro A. | EVP, Chief Commercial Officer | Sell | 184 | $2,885 |
| 2026-03-09 | Hammad Hanei Wail | EVP & Chief Operating Officer | Sell | 6,384 | $68,883 |
| 2026-03-09 | Hammad Hanei Wail | EVP & Chief Operating Officer | Buy | 29,762 | $0 |
| 2026-03-06 | Prajzner Edward J | Sr. EVP and CFO | Buy | 37,202 | $0 |
| 2026-03-06 | Prajzner Edward J | Sr. EVP and CFO | Sell | 1,303 | $19,910 |
| 2026-03-06 | SHUMAN-FABBRI NATALIA | President and CEO | Buy | 101,190 | $0 |
| 2026-03-06 | Stamatakis Manuel N. | Executive Chairman | Buy | 86,310 | $0 |
| 2026-03-04 | Hammad Hanei Wail | EVP & Chief Operating Officer | Buy | 29,762 | $0 |
| 2026-03-04 | Coggins Eileen Mary | EVP, General Counsel | Buy | 7,242 | $0 |
| 2026-03-04 | Hammad Hanei Wail | EVP & Chief Operating Officer | Sell | 6,384 | $68,883 |
Source: SEC Form 4 filings · as of 2026-06-12