In the last 12 months, insiders at Mistras Group, Inc. ($MG) filed 111 transactions with the SEC: 8 open-market purchases totaling $608,628 and 10 sales totaling $1,297,797. Net insider sentiment: net selling.
Mistras Group, Inc. operates in the Services-engineering services industry (Trade & services sector).
Most Active Insiders
- Lange Michael J. (Senior EVP) — 13 transactions totaling $1,190,791
- Prajzner Edward J (Sr. EVP and CFO) — 18 transactions totaling $284,058
- DEBENEDICTIS NICHOLAS (Director) — 6 transactions totaling $198,769
- Stamatakis Manuel N. (Executive Chairman) — 8 transactions totaling $189,364
- Hammad Hanei Wail (EVP & Chief Operating Officer) — 8 transactions totaling $186,312
View all SEC Filings for Mistras Group, Inc. (MG).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| March 26, 2026 | Hammad Hanei Wail | EVP & Chief Operating Officer | F | Common Stock | 2865 | $15.10 | 61,777.0000 | 31,920,000 | 4.43% | 0.01% |
| March 22, 2026 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 1367 | $14.05 | 148,076.0000 | 31,920,000 | 0.91% | 0.00% |
| March 16, 2026 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 2239 | $14.61 | 149,443.0000 | 31,920,000 | 1.48% | 0.01% |
| March 4, 2026 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 698 | $15.68 | 154,222.0000 | 31,920,000 | 0.45% | 0.00% |
| March 4, 2026 | D'Alterio Gennaro A. | EVP, Chief Commercial Officer | F | Common Stock | 184 | $15.68 | 47,239.0000 | 31,920,000 | 0.39% | 0.00% |
| March 7, 2026 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 2540 | $14.82 | 151,682.0000 | 31,920,000 | 1.65% | 0.01% |
| March 4, 2026 | Hammad Hanei Wail | EVP & Chief Operating Officer | F | Common Stock | 337 | $15.68 | 64,642.0000 | 31,920,000 | 0.52% | 0.00% |
| March 4, 2026 | Stamatakis Manuel N. | Executive Chairman | F | Common Stock | 814 | $15.68 | 509,795.0000 | 31,920,000 | 0.16% | 0.00% |
| Feb. 25, 2026 | Hammad Hanei Wail | EVP & Chief Operating Officer | A | Common Stock | 29762 | $0.00 | 88,357.0000 | 31,920,000 | 50.79% | 0.09% |
| March 25, 2025 | Hammad Hanei Wail | EVP & Chief Operating Officer | F | Common Stock | 6384 | $10.79 | 58,595.0000 | 31,608,000 | 9.82% | 0.02% |
| Feb. 25, 2026 | SHUMAN-FABBRI NATALIA | President and CEO | A | Common Stock | 101190 | $0.00 | 126,190.0000 | 31,920,000 | 404.76% | 0.32% |
| Feb. 25, 2026 | Prajzner Edward J | Sr. EVP and CFO | A | Common Stock | 37202 | $0.00 | 156,223.0000 | 31,920,000 | 31.26% | 0.12% |
| Feb. 28, 2026 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 1303 | $15.28 | 154,920.0000 | 31,920,000 | 0.83% | 0.00% |
| Feb. 25, 2026 | Stamatakis Manuel N. | Executive Chairman | A | Common Stock | 86310 | $0.00 | 510,609.0000 | 31,920,000 | 20.34% | 0.27% |
| Feb. 25, 2026 | Hammad Hanei Wail | EVP & Chief Operating Officer | A | Common Stock | 29762 | $0.00 | 88,357.0000 | 31,920,000 | 50.79% | 0.09% |
| March 25, 2025 | Hammad Hanei Wail | EVP & Chief Operating Officer | D | Common Stock | 6384 | $10.79 | 58,595.0000 | 31,608,000 | 9.82% | 0.02% |
| Feb. 25, 2026 | Coggins Eileen Mary | EVP, General Counsel | A | Common Stock | 7242 | $0.00 | 22,242.0000 | 31,920,000 | 48.28% | 0.02% |
| Feb. 28, 2026 | D'Alterio Gennaro A. | EVP, Chief Commercial Officer | F | Common Stock | 862 | $15.28 | 47,423.0000 | 31,920,000 | 1.79% | 0.00% |
| Feb. 28, 2026 | D'Alterio Gennaro A. | EVP, Chief Commercial Officer | F | Common Stock | 655 | $15.28 | 48,285.0000 | 31,920,000 | 1.34% | 0.00% |
| Feb. 25, 2026 | D'Alterio Gennaro A. | EVP, Chief Commercial Officer | A | Common Stock | 19905 | $0.00 | 48,940.0000 | 31,920,000 | 68.56% | 0.06% |
| Dec. 31, 2025 | Vahaviolos Aspasia Felice | TenPercentOwner | G | Common Stock | 5251358 | $0.00 | 854,292.0000 | 31,920,000 | 86.01% | 16.45% |
| Jan. 2, 2026 | Stamatakis Manuel N. | Executive Chairman | A | Common Stock | 40000 | $0.00 | 424,299.0000 | 31,920,000 | 10.41% | 0.13% |
| Jan. 5, 2026 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 2699 | $12.65 | 119,021.0000 | 31,920,000 | 2.22% | 0.01% |
| Jan. 5, 2026 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 2699 | $12.65 | 119,021.0000 | 31,920,000 | 2.22% | 0.01% |
| Jan. 2, 2026 | Stamatakis Manuel N. | Executive Chairman | A | Common Stock | 40000 | $0.00 | 424,299.0000 | 31,920,000 | 10.41% | 0.13% |
| Dec. 4, 2025 | PIZZI CHARLES P | Director | G | Common Stock | 2150 | $0.00 | 66,618.0000 | 31,920,000 | 3.13% | 0.01% |
| Sept. 24, 2025 | D'Alterio Gennaro A. | EVP, Chief Commercial Officer | F | Common Stock | 475 | $9.53 | 29,035.0000 | 31,608,000 | 1.61% | 0.00% |
| Sept. 15, 2025 | Coggins Eileen Mary | EVP & Chief Legal Officer | A | Right to buy | 25000 | $0.00 | 25,000.0000 | 31,608,000 | 9999.99% | 0.08% |
| Sept. 15, 2025 | Coggins Eileen Mary | EVP & Chief Legal Officer | A | Common Stock | 15000 | $0.00 | 15,000.0000 | 31,608,000 | 9999.99% | 0.05% |
| Sept. 15, 2025 | Coggins Eileen Mary | EVP & Chief Legal Officer | P | Common Stock | 15000 | $9.55 | 15,000.0000 | 31,608,000 | 9999.99% | 0.05% |
| Sept. 15, 2025 | Coggins Eileen Mary | EVP & Chief Legal Officer | P | Stock Options (Right to Buy) | 25000 | $9.55 | 25,000.0000 | 31,608,000 | 9999.99% | 0.08% |
| July 2, 2025 | Sotirios Vahaviolos January 2023 2-Year Grantor Retained Annuity Trust | TenPercentOwner | G | Common Stock | 4685578 | $0.00 | 0.0000 | 31,608,000 | 100.00% | 14.82% |
| July 2, 2025 | Vahaviolos Aspasia Felice | TenPercentOwner | W | Common Stock | 2217087 | $0.00 | 6,105,650.0000 | 31,608,000 | 57.02% | 7.01% |
| Sept. 8, 2025 | SHUMAN-FABBRI NATALIA | President and CEO | A | Common Stock | 25000 | $0.00 | 25,000.0000 | 31,608,000 | 9999.99% | 0.08% |
| Sept. 8, 2025 | SHUMAN-FABBRI NATALIA | President and CEO | A | Stock Options (Right to Buy) | 35000 | $0.00 | 35,000.0000 | 31,608,000 | 9999.99% | 0.11% |
| June 5, 2025 | Stamatakis Manuel N. | Executive Chairman | P | Common Stock | 10000 | $7.71 | 384,299.0000 | 31,608,000 | 2.67% | 0.03% |
| May 19, 2025 | GLANTON RICHARD H | Director | A | Common Stock | 14447 | $0.00 | 64,379.0000 | 31,608,000 | 28.93% | 0.05% |
| May 19, 2025 | FORESE JAMES J | Director | A | Common Stock | 14447 | $0.00 | 170,181.0000 | 31,608,000 | 9.28% | 0.05% |
| May 19, 2025 | DEBENEDICTIS NICHOLAS | Director | A | Common Stock | 14447 | $0.00 | 266,958.0000 | 31,608,000 | 5.72% | 0.05% |
| May 19, 2025 | PIZZI CHARLES P | Director | A | Common Stock | 14447 | $0.00 | 68,768.0000 | 31,608,000 | 26.60% | 0.05% |
| May 19, 2025 | Lohmeier Michelle | Director | A | Common Stock | 14447 | $0.00 | 92,361.0000 | 31,608,000 | 18.54% | 0.05% |
| March 20, 2025 | DEBENEDICTIS NICHOLAS | Director | P | Common Stock | 1038 | $10.01 | 252,511.0000 | 31,608,000 | 0.41% | 0.00% |
| March 19, 2025 | D'Alterio Gennaro A. | EVP, Chief Commercial Officer | F | Common Stock | 655 | $9.84 | 29,510.0000 | 31,608,000 | 2.17% | 0.00% |
| March 19, 2025 | Keefe Michael C | EVP, General Counsel | F | Common Stock | 762 | $10.00 | 92,587.0000 | 31,608,000 | 0.82% | 0.00% |
| March 19, 2025 | Keefe Michael C | EVP, General Counsel | F | Common Stock | 1029 | $9.84 | 91,558.0000 | 31,608,000 | 1.11% | 0.00% |
| March 18, 2025 | DEBENEDICTIS NICHOLAS | Director | P | Common Stock | 10000 | $9.84 | 242,511.0000 | 31,608,000 | 4.30% | 0.03% |
| March 19, 2025 | DEBENEDICTIS NICHOLAS | Director | P | Common Stock | 8962 | $10.04 | 251,473.0000 | 31,608,000 | 3.70% | 0.03% |
| March 19, 2025 | Stamatakis Manuel N. | Executive Chairman | P | Common Stock | 10000 | $9.95 | 374,299.0000 | 31,608,000 | 2.74% | 0.03% |
| March 19, 2025 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 626 | $10.00 | 124,512.0000 | 31,608,000 | 0.50% | 0.00% |
| March 19, 2025 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 1489 | $10.00 | 123,023.0000 | 31,608,000 | 1.20% | 0.00% |
| March 19, 2025 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 1303 | $9.84 | 121,720.0000 | 31,608,000 | 1.06% | 0.00% |
| March 5, 2025 | D'Alterio Gennaro A. | EVP, Chief Commercial Officer | A | Common Stock | 1700 | $0.00 | 30,165.0000 | 31,608,000 | 5.97% | 0.01% |
| March 5, 2025 | Hammad Hanei Wail | EVP & Chief Operating Officer | A | Common Stock | 14521 | $0.00 | 61,579.0000 | 31,608,000 | 30.86% | 0.05% |
| March 5, 2025 | Hammad Hanei Wail | EVP & Chief Operating Officer | A | Common Stock | 3400 | $0.00 | 64,979.0000 | 31,608,000 | 5.52% | 0.01% |
| March 5, 2025 | Stamatakis Manuel N. | Executive Chairman | A | Common Stock | 5700 | $0.00 | 364,299.0000 | 31,608,000 | 1.59% | 0.02% |
| March 5, 2025 | Keefe Michael C | EVP, General Counsel | A | Common Stock | 10455 | $0.00 | 91,749.0000 | 31,608,000 | 12.86% | 0.03% |
| March 5, 2025 | Keefe Michael C | EVP, General Counsel | A | Common Stock | 1600 | $0.00 | 93,349.0000 | 31,608,000 | 1.74% | 0.01% |
| March 5, 2025 | Prajzner Edward J | Sr. EVP and CFO | A | Common Stock | 22689 | $0.00 | 120,538.0000 | 31,608,000 | 23.19% | 0.07% |
| March 5, 2025 | Prajzner Edward J | Sr. EVP and CFO | A | Common Stock | 4600 | $0.00 | 125,138.0000 | 31,608,000 | 3.82% | 0.01% |
| March 5, 2025 | D'Alterio Gennaro A. | EVP, Chief Commercial Officer | A | Common Stock | 11036 | $0.00 | 28,465.0000 | 31,608,000 | 63.32% | 0.03% |
| Jan. 6, 2025 | Stamatakis Manuel N. | Executive Chairman | A | Stock Options (Right to Buy) | 375000 | $0.00 | 375,000.0000 | 31,608,000 | 9999.99% | 1.19% |
| Jan. 6, 2025 | Keefe Michael C | EVP, General Counsel | F | Common Stock | 3149 | $9.06 | 81,294.0000 | 31,608,000 | 3.73% | 0.01% |
| Jan. 6, 2025 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 2756 | $9.06 | 97,849.0000 | 31,608,000 | 2.74% | 0.01% |
| Jan. 6, 2025 | D'Alterio Gennaro A. | EVP, Chief Commercial Officer | F | Common Stock | 571 | $11.28 | 17,429.0000 | 31,608,000 | 3.17% | 0.00% |
| Sept. 25, 2024 | Lange Michael J. | Senior EVP | S | Common Stock | 6111 | $11.17 | 240,515.0000 | 30,330,000 | 2.48% | 0.02% |
| Sept. 23, 2024 | Lange Michael J. | Senior EVP | S | Common Stock | 12827 | $10.79 | 265,176.0000 | 30,330,000 | 4.61% | 0.04% |
| Sept. 24, 2024 | Lange Michael J. | Senior EVP | S | Common Stock | 18550 | $11.36 | 246,626.0000 | 30,330,000 | 7.00% | 0.06% |
| Sept. 18, 2024 | Lange Michael J. | Senior EVP | S | Common Stock | 5013 | $10.74 | 314,512.0000 | 30,330,000 | 1.57% | 0.02% |
| Sept. 20, 2024 | Lange Michael J. | Senior EVP | S | Common Stock | 24706 | $11.02 | 278,003.0000 | 30,330,000 | 8.16% | 0.08% |
| Sept. 16, 2024 | Lange Michael J. | Senior EVP | S | Common Stock | 7158 | $10.58 | 333,357.0000 | 30,330,000 | 2.10% | 0.02% |
| Sept. 17, 2024 | Lange Michael J. | Senior EVP | S | Common Stock | 13832 | $10.64 | 319,525.0000 | 30,330,000 | 4.15% | 0.05% |
| Sept. 19, 2024 | Lange Michael J. | Senior EVP | S | Common Stock | 11803 | $10.80 | 302,709.0000 | 30,330,000 | 3.75% | 0.04% |
| Aug. 7, 2024 | PIZZI CHARLES P | Director | A | Common Stock | 5705 | $0.00 | 54,321.0000 | 30,330,000 | 11.73% | 0.02% |
| Aug. 7, 2024 | DEBENEDICTIS NICHOLAS | Director | A | Common Stock | 5705 | $0.00 | 232,511.0000 | 30,330,000 | 2.52% | 0.02% |
| Aug. 7, 2024 | FORESE JAMES J | Director | A | Common Stock | 5705 | $0.00 | 155,734.0000 | 30,330,000 | 3.80% | 0.02% |
| Aug. 7, 2024 | Lohmeier Michelle | Director | A | Common Stock | 5705 | $0.00 | 77,914.0000 | 30,330,000 | 7.90% | 0.02% |
| Aug. 7, 2024 | GLANTON RICHARD H | Director | A | Common Stock | 5705 | $0.00 | 50,632.0000 | 30,330,000 | 12.70% | 0.02% |
| July 3, 2024 | GLANTON RICHARD H | Director | G | Common Stock | 700 | $0.00 | 44,227.0000 | 30,330,000 | 1.56% | 0.00% |
| July 3, 2024 | GLANTON RICHARD H | Director | G | Common Stock | 700 | $0.00 | 44,227.0000 | 30,330,000 | 1.61% | 0.00% |
| Dec. 23, 2019 | Vahaviolos Sotirios J. | Director | G | Common Stock | 2112 | $0.00 | 10,352,803.0000 | 0 | 0.02% | 0.00% |
| June 20, 2024 | GLANTON RICHARD H | Director | S | Common Stock | 21000 | $7.68 | 44,227.0000 | 30,330,000 | 32.20% | 0.07% |
| May 14, 2024 | Stamatakis Manuel N. | Interim President and CEO | A | Common Stock | 125000 | $0.00 | 358,599.0000 | 30,330,000 | 53.51% | 0.41% |
| March 6, 2024 | Vahaviolos Sotirios J. | Director | G | Common Stock | 2049140 | $0.00 | 3,890,699.0000 | 30,330,000 | 111.27% | 6.76% |
| March 6, 2024 | Sotirios Vahaviolos January 2023 2-Year Grantor Retained Annuity Trust | TenPercentOwner | G | Common Stock | 2049140 | $0.00 | 4,685,578.0000 | 30,330,000 | 30.43% | 6.76% |
| April 3, 2024 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 417 | $9.30 | 100,605.0000 | 30,330,000 | 0.41% | 0.00% |
| April 3, 2024 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 838 | $9.31 | 101,022.0000 | 30,330,000 | 0.82% | 0.00% |
| April 3, 2024 | Keefe Michael C | EVP, General Counsel | F | Common Stock | 789 | $9.31 | 84,443.0000 | 30,330,000 | 0.93% | 0.00% |
| April 3, 2024 | Keefe Michael C | EVP, General Counsel | F | Common Stock | 461 | $9.30 | 85,232.0000 | 30,330,000 | 0.54% | 0.00% |
| April 3, 2024 | Lange Michael J. | Senior EVP | F | Common Stock | 597 | $9.30 | 340,515.0000 | 30,330,000 | 0.18% | 0.00% |
| April 3, 2024 | Lange Michael J. | Senior EVP | F | Common Stock | 726 | $9.31 | 341,112.0000 | 30,330,000 | 0.21% | 0.00% |
| April 3, 2024 | Smith John Anthony | Executive Vice President | F | Common Stock | 1071 | $9.67 | 100,447.0000 | 30,330,000 | 1.05% | 0.00% |
| March 26, 2024 | Hammad Hanei Wail | EVP & Chief Transformation Off | A | Common Stock | 47058 | $0.00 | 47,058.0000 | 30,330,000 | 9999.99% | 0.16% |
| Nov. 7, 2023 | Stamatakis Manuel N. | Interim President and CEO | P | Common Stock | 15000 | $6.00 | 233,599.0000 | 30,229,000 | 6.86% | 0.05% |
| March 13, 2024 | DEBENEDICTIS NICHOLAS | Director | A | Common Stock | 6279 | $0.00 | 226,806.0000 | 30,330,000 | 2.85% | 0.02% |
| March 13, 2024 | FORESE JAMES J | Director | A | Common Stock | 6279 | $0.00 | 150,029.0000 | 30,330,000 | 4.37% | 0.02% |
| March 13, 2024 | GLANTON RICHARD H | Director | A | Common Stock | 6279 | $0.00 | 65,227.0000 | 30,330,000 | 10.65% | 0.02% |
| March 13, 2024 | Lohmeier Michelle | Director | A | Common Stock | 6279 | $0.00 | 72,209.0000 | 30,330,000 | 9.52% | 0.02% |
| March 13, 2024 | PIZZI CHARLES P | Director | A | Common Stock | 6279 | $0.00 | 48,616.0000 | 30,330,000 | 14.83% | 0.02% |
| March 12, 2024 | Lange Michael J. | Senior EVP | S | Common Stock | 5000 | $8.53 | 341,838.0000 | 30,330,000 | 1.44% | 0.02% |
| Feb. 28, 2024 | Smith John Anthony | Executive Vice President | A | Common Stock | 7000 | $0.00 | 101,518.0000 | 30,330,000 | 7.41% | 0.02% |
| Feb. 28, 2024 | D'Alterio Gennaro A. | EVP, Chief Commercial Officer | A | Common Stock | 8000 | $0.00 | 18,000.0000 | 30,330,000 | 80.00% | 0.03% |
| Feb. 28, 2024 | Keefe Michael C | EVP, General Counsel | A | Common Stock | 10000 | $0.00 | 85,693.0000 | 30,330,000 | 13.21% | 0.03% |
| Feb. 28, 2024 | Lange Michael J. | Senior EVP | A | Common Stock | 4500 | $0.00 | 346,838.0000 | 30,330,000 | 1.31% | 0.01% |
| Feb. 28, 2024 | Prajzner Edward J | Sr. EVP and CFO | A | Common Stock | 17500 | $0.00 | 101,860.0000 | 30,330,000 | 20.74% | 0.06% |
| Dec. 8, 2023 | GLANTON RICHARD H | Director | A | Common Stock | 33870 | $0.00 | 58,948.0000 | 30,229,000 | 135.06% | 0.11% |
| Dec. 19, 2023 | Vahaviolos Sotirios J. | Director | G | Common Stock | 20400 | $0.00 | 1,841,559.0000 | 30,229,000 | 1.10% | 0.07% |
| Dec. 20, 2023 | Vahaviolos Sotirios J. | Director | G | Common Stock | 5100 | $0.00 | 1,841,559.0000 | 30,229,000 | 0.28% | 0.02% |
| Dec. 21, 2023 | Vahaviolos Sotirios J. | Director | G | Common Stock | 5100 | $0.00 | 1,841,559.0000 | 30,229,000 | 0.28% | 0.02% |
| Jan. 2, 2024 | Lange Michael J. | Senior EVP | F | Common Stock | 5764 | $7.28 | 342,338.0000 | 30,330,000 | 1.66% | 0.02% |
| Jan. 2, 2024 | Prajzner Edward J | Sr. EVP and CFO | F | Common Stock | 3398 | $7.28 | 84,360.0000 | 30,330,000 | 3.87% | 0.01% |
| Jan. 2, 2024 | Keefe Michael C | EVP, General Counsel | F | Common Stock | 3990 | $7.28 | 75,693.0000 | 30,330,000 | 5.01% | 0.01% |