| $348M | ||
| $250M | ||
| $109M | ||
| $61M | ||
| $40M | ||
| $21M |
Buys | $220,350 | 2 | 100 |
Sells | $0 | 0 | 0 |
| Coggins Eileen Mary | EVP & Chief Legal Officer | 1 | $143,250 | 0 | $0 | $143,250 |
| Stamatakis Manuel N. | Executive Chairman | 1 | $77,100 | 0 | $0 | $77,100 |
Mistras Group, Inc. provides technology-enabled asset protection solutions worldwide. The company operates through three segments: Services, International, and Products and Systems. It offers non-destructive testing services; predictive maintenance assessments of fixed and rotating assets; inline inspection for pipelines; and develops enterprise inspection database management software and plant condition management software. The company also provides maintenance and light mechanical services, such as corrosion removal, mitigation and prevention, insulation installation and removal, electrical, heat tracing, industrial cleaning, pipefitting, and welding; engineering consulting services primarily for process equipment, technologies, and facilities; and utilizes scaffolding and rope access to access at-height and confined assets. In addition, it offers certified divers for subsea inspection and maintenance; unmanned aerial, land-based, and subsea systems for inspection applications; online condition-monitoring solutions; quality assurance and quality control solutions for new and existing metal and alloy components, materials, and composites. Further, the company designs and installs monitoring systems, as well as provides commissioning, training, reporting, technical support, and annual maintenance services; Web-based solutions; and custom-developed software. Additionally, it designs, manufactures, and sells acoustic emission sensors, instruments, and turnkey systems for monitoring and testing materials, pressure components, processes, and structures, as well as automated ultrasonic systems and scanners. The company serves oil and gas, commercial aerospace and defense, fossil and nuclear power, alternative and renewable energy, industrial, public infrastructure, petrochemical, transportation, and process industries, as well as research and engineering institutions. Mistras Group, Inc. was founded in 1978 and is headquartered in Princeton Junction, New Jersey.
Over the last 12 months, insiders at Mistras Group, Inc. have bought $220,350 and sold $0 worth of Mistras Group, Inc. stock.
On average, over the past 5 years, insiders at Mistras Group, Inc. have bought $217,199 and sold $532,433 worth of stock each year.
Highest buying activity among insiders over the last 12 months: Coggins Eileen Mary (EVP & Chief Legal Officer) — $143,250. Stamatakis Manuel N. (Executive Chairman) — $77,100.
The last purchase of 15,000 shares for transaction amount of $143,250 was made by Coggins Eileen Mary (EVP & Chief Legal Officer) on 2025‑09‑15.
| 2025-09-15 | Coggins Eileen Mary | EVP & Chief Legal Officer | 15,000 0.0476% | $9.55 | $143,250 | +37.70% | ||
| 2025-06-05 | Stamatakis Manuel N. | Executive Chairman | 10,000 0.032% | $7.71 | $77,100 | +50.26% | ||
| 2025-03-20 | DEBENEDICTIS NICHOLAS | director | 1,038 0.0033% | $10.01 | $10,390 | -3.30% | ||
| 2025-03-19 | Stamatakis Manuel N. | Executive Chairman | 10,000 0.0318% | $9.95 | $99,500 | -3.87% | ||
| 2025-03-19 | DEBENEDICTIS NICHOLAS | director | 8,962 0.0288% | $10.04 | $89,978 | -3.87% | ||
| 2025-03-18 | DEBENEDICTIS NICHOLAS | director | 10,000 0.0321% | $9.84 | $98,400 | -1.93% | ||
| 2024-09-25 | Sale | Lange Michael J. | Senior EVP | 6,111 0.0205% | $11.17 | $68,260 | -17.17% | |
| 2024-09-24 | Sale | Lange Michael J. | Senior EVP | 18,550 0.0632% | $11.36 | $210,728 | -18.56% | |
| 2024-09-23 | Sale | Lange Michael J. | Senior EVP | 12,827 0.0415% | $10.79 | $138,403 | -14.17% | |
| 2024-09-20 | Sale | Lange Michael J. | Senior EVP | 24,706 0.0779% | $11.02 | $272,260 | -18.17% | |
| 2024-09-19 | Sale | Lange Michael J. | Senior EVP | 11,803 0.0378% | $10.80 | $127,472 | -15.12% | |
| 2024-09-18 | Sale | Lange Michael J. | Senior EVP | 5,013 0.0163% | $10.74 | $53,840 | -13.45% | |
| 2024-09-17 | Sale | Lange Michael J. | Senior EVP | 13,832 0.0447% | $10.64 | $147,172 | -13.04% | |
| 2024-09-16 | Sale | Lange Michael J. | Senior EVP | 7,158 0.0229% | $10.58 | $75,732 | -13.45% | |
| 2024-06-20 | Sale | GLANTON RICHARD H | director | 21,000 0.0629% | $7.68 | $161,280 | +19.91% | |
| 2024-03-12 | Sale | Lange Michael J. | Senior EVP | 5,000 0.0164% | $8.53 | $42,650 | +8.79% | |
| 2023-12-20 | DEBENEDICTIS NICHOLAS | director | 3,000 0.0099% | $7.05 | $21,150 | +28.55% | ||
| 2023-12-13 | DEBENEDICTIS NICHOLAS | director | 2,000 0.0065% | $6.60 | $13,200 | +33.90% | ||
| 2023-12-11 | DEBENEDICTIS NICHOLAS | director | 100 0.0003% | $6.50 | $650 | +37.08% | ||
| 2023-11-14 | Sale | Smith John Anthony | Executive Vice President | 10,018 0.0312% | $6.29 | $63,013 | +31.72% |
| Stamatakis Manuel N. | Executive Chairman | 384299 1.2163% | $6.86M | 17 | 1 | <0.0001% |
| Coggins Eileen Mary | EVP & Chief Legal Officer | 15000 0.0475% | $267,750.00 | 1 | 0 | |
| Vahaviolos Sotirios J. | Executive Chairman | 10438375 33.0374% | $186.32M | 4 | 13 | +26.55% |
| DICKINSON DANIEL M | 2768401 8.762% | $49.42M | 1 | 1 | <0.0001% | |
| Burgess Elizabeth | director | 965594 3.0561% | $17.24M | 1 | 1 | +3.98% |
| Lange Michael J. | Senior EVP | 240515 0.7612% | $4.29M | 0 | 36 | |
| DEBENEDICTIS NICHOLAS | director | 227511 0.7201% | $4.06M | 29 | 0 | +8.46% |
| Bertolotti Dennis | President and CEO | 179989 0.5697% | $3.21M | 2 | 11 | +4.17% |
| Cole Phillip T. | Group EVP, International | 160950 0.5094% | $2.87M | 0 | 2 | |
| Carlos Mark F. | Group EVP, Products & Systems | 147397 0.4665% | $2.63M | 1 | 2 | +58.44% |
| Wolk Jonathan H | Sr. EVP and COO | 97546 0.3087% | $1.74M | 5 | 0 | +14.49% |
| Smith John Anthony | Executive Vice President | 94518 0.2991% | $1.69M | 0 | 1 | |
| FORESE JAMES J | director | 90148 0.2853% | $1.61M | 3 | 1 | +7.23% |
| GLANTON RICHARD H | director | 42117 0.1333% | $751,788.45 | 1 | 5 | <0.0001% |
| Keefe Michael C | EVP, General Counsel | 38361 0.1214% | $684,743.85 | 0 | 9 | |
| WELDON WAYNE CURTIS | director | 24841 0.0786% | $443,411.85 | 1 | 1 | +3.99% |
| JOYCE FRANCIS T | EVP, CFO and Treasurer | 17073 0.054% | $304,753.05 | 0 | 1 | |
| Lohmeier Michelle | director | 14840 0.047% | $264,894.00 | 2 | 0 | +4.17% |
| Genesi Ralph L. | Group EVP, Marketing and Sales | 9909 0.0314% | $176,875.65 | 1 | 12 | <0.0001% |
| Peterik Paul | Chief Financial Officer | 2000 0.0063% | $35,700.00 | 1 | 0 | <0.0001% |
| TC NDT Holdings, L.L.C. | 10 percent owner | 0 0% | $0 | 0 | 2 |
$575,886 | 85 | -1.20% | $11.48M | |
$18,494,245 | 68 | 11.42% | $285.85M | |
Mistras Group, Inc. (MG) | $8,521,467 | 68 | 7.06% | $563.98M |
$2,870,436 | 66 | 17.88% | $285.89M | |
$780,366 | 62 | 5.72% | $68.36M | |
$7,120,448 | 55 | 3.01% | $6.09B | |
$26,375,274 | 46 | 14.61% | $4.71B | |
$3,307,159 | 39 | 19.82% | $1.62B | |
$33,209,605 | 29 | 16.72% | $2.5B | |
$2,486,460 | 26 | 11.07% | $3.98B | |
$2,878,247 | 23 | 0.79% | $6.72B | |
$10,056,536 | 21 | 6.70% | $12.43B | |
$171,662 | 20 | -38.13% | $4.19M | |
$328,288 | 14 | 15.80% | $1.62B | |
$3,497,862 | 13 | 10.91% | $5.56B | |
$203,408 | 12 | -0.85% | $13.21M | |
$952,594 | 10 | 1.79% | $1.16B | |
$2,499 | 1 | 69.39% | $807,996.00 | |
$26,350 | 1 | -33.53% | $28.42M |
| Increased Positions | 56 | +41.79% | 3M | +17.16% |
| Decreased Positions | 57 | -42.54% | 2M | -13.72% |
| New Positions | 23 | New | 2M | New |
| Sold Out Positions | 9 | Sold Out | 747,707 | Sold Out |
| Total Postitions | 133 | -0.75% | 17M | +3.44% |
| Mill Road Capital Management Llc | $21,607.00 | 5.23% | 1.67M | +4,700 | +0.28% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $21,103.00 | 5.1% | 1.63M | +10,186 | +0.63% | 2025-09-30 |
| Royce & Associates Lp | $17,348.00 | 4.2% | 1.34M | +71,490 | +5.62% | 2025-09-30 |
| Vanguard Group Inc | $15,052.00 | 3.64% | 1.17M | -29,939 | -2.5% | 2025-09-30 |
| Blackrock, Inc. | $13,673.00 | 3.31% | 1.06M | -165,885 | -13.55% | 2025-09-30 |
| Clearline Capital Lp | $9,029.00 | 2.18% | 698,849 | 0 | 0% | 2025-09-30 |
| Federated Hermes, Inc. | $8,789.00 | 2.13% | 680,245 | -580 | -0.09% | 2025-09-30 |
| Acuitas Investments, Llc | $8,314.00 | 2.01% | 643,483 | +219,421 | +51.74% | 2025-09-30 |
| Invenomic Capital Management Lp | $6,105.00 | 1.48% | 472,536 | +472,536 | New | 2025-09-30 |
| J. Goldman & Co Lp | $5,451.00 | 1.32% | 421,920 | -341,971 | -44.77% | 2025-09-30 |