Mistras Group, Inc.
MG- Exchange
- NYSE
- Industry
- Services-Engineering Services
- SEC CIK
- 0001436126
No open-market purchases or sales by Mistras Group, Inc. insiders were filed in the last 90 days; 137 institutions reported holding it in 13F filings for Q2 2026, worth $347.1M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Mistras Group, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Mistras Group, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| D'Alterio Gennaro A. | EVP, Chief Commercial Officer | 46,577 | Sep 22, 2026 | 4 |
| Coggins Eileen Mary | Chief Legal Officer | 13,364 | Sep 18, 2026 | 3 |
| Vahaviolos Aspasia Felice | 10% Owner | 2,154,541 | Sep 14, 2026 | 4 |
| Foglia Stephanie Athena | 10% Owner | 3,923,718Indirect | Sep 14, 2026 | 3 |
| 2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. Vahaviolos | 10% Owner | 3,923,718Indirect | Sep 14, 2026 | 3 |
| Shuman-Fabbri Natalia | President and CEO | 123,780 | Sep 9, 2026 | 2 |
| Glanton Richard H | Director | 68,431 | May 21, 2026 | 1 |
| Forese James J | Director | 177,043 | May 21, 2026 | 1 |
| Pizzi Charles P | Director | 73,480 | May 21, 2026 | 2 |
| Debenedictis Nicholas | Director | 248,820 | May 21, 2026 | 1 |
| Lohmeier Michelle | Director | 99,223 | May 21, 2026 | 1 |
| Hammad Hanei Wail | EVP & Chief Operating Officer | 61,777 | Mar 26, 2026 | 3 |
| Prajzner Edward J | Sr. EVP and CFO | 148,076 | Mar 23, 2026 | 5 |
| Stamatakis Manuel N. | Executive Chairman | 509,795 | Mar 10, 2026 | 3 |
| Sotirios Vahaviolos January 2023 2-Year Grantor Retained Annuity Trust | 10% Owner | 0 | Sep 10, 2025 | 0 |
| Keefe Michael C | EVP, General Counsel | 91,558 | Mar 20, 2025 | 0 |
| Lange Michael J. | Senior EVP | 240,515 | Sep 25, 2024 | 0 |
| Vahaviolos Sotirios J. | Director, 10% Owner | 10,352,803 | Aug 19, 2024 | 0 |
| Smith John Anthony | Executive Vice President | 100,447 | Apr 5, 2024 | 0 |
| Bertolotti Dennis | President and CEO | 424,358 | Mar 30, 2023 | 0 |
| Wolk Jonathan H | Sr. EVP and COO | 194,575 | Jan 3, 2023 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 4, 2026 (view filing)4:07 PM ET | Jan 5-Apr 17 | 150 daysLate | Foglia Stephanie Athena and 1 other10% Owner | SSale | −4.00K | $15.43 | −$61.7K | −70.3%1.69K after | 4 lots |
| Jun 6, 2025 (view filing) | Jun 5 | 1 day | Stamatakis Manuel N.Executive Chairman | PPurchase | +10.0K | $7.71 | +$77.1K | +2.7%384.3K after | |
| Mar 20, 2025 (view filing) | Mar 18-20 | 2 days | Debenedictis NicholasDirector | PPurchase | +20.0K | $9.94 | +$198.8K | +9.7%226.5K after | 3 lots |
| Mar 20, 2025 (view filing) | Mar 19 | 1 day | Stamatakis Manuel N.Executive Chairman | PPurchase | +10.0K | $9.95 | +$99.5K | +2.7%374.3K after | |
| Sep 25, 2024 (view filing) | Sep 25 | Same day | Lange Michael J.Senior EVP | SSale | −6.11K | $11.17 | −$68.3K | −2.5%240.5K after | 10b5-1 |
| Sep 24, 2024 (view filing) | Sep 23-24 | 1 day | Lange Michael J.Senior EVP | SSale | −31.4K | $11.13 | −$349.1K | −11.3%246.6K after | 2 lots10b5-1 |
| Sep 20, 2024 (view filing) | Sep 20 | Same day | Lange Michael J.Senior EVP | SSale | −24.7K | $11.02 | −$272.3K | −8.2%278.0K after | 10b5-1 |
| Sep 20, 2024 (view filing) | Sep 16-19 | 4 daysLate | Lange Michael J.Senior EVP | SSale | −37.8K | $10.69 | −$404.2K | −11.1%302.7K after | 4 lots10b5-1 |
| Jun 20, 2024 (view filing) | Jun 20 | Same day | Glanton Richard HDirector | SSale | −21.0K | $7.68 | −$161.3K | −33.3%42.1K after | |
| Mar 27, 2024 (view filing) | Nov 7, 2023 | 141 daysLate | Stamatakis Manuel N.Interim President and CEO | PPurchase | +15.0K | $6.00 | +$90.0K | +6.9%233.6K after | |
| Mar 14, 2024 (view filing) | Mar 12 | 2 days | Lange Michael J.Senior EVP | SSale | −5.00K | $8.53 | −$42.6K | −1.4%341.8K after | |
| Dec 20, 2023 (view filing) | Dec 20 | Same day | Debenedictis NicholasDirector | PPurchase | +3.00K | $7.05 | +$21.1K | +1.6%195.5K after | |
| Dec 13, 2023 (view filing) | Dec 11-13 | 2 days | Debenedictis NicholasDirector | PPurchase | +2.10K | $6.60 | +$13.8K | +1.1%192.5K after | 2 lots |
| Nov 15, 2023 (view filing) | Nov 14 | 1 day | Smith John AnthonyExecutive Vice President | SSale | −10.0K | $6.29 | −$63.0K | −9.6%94.5K after | |
| Nov 9, 2023 (view filing) | Nov 8-9 | 1 day | Debenedictis NicholasDirector | PPurchase | +3.80K | $5.94 | +$22.6K | +2.1%186.7K after | 2 lots |
| Mar 25, 2022 (view filing) | Mar 25 | Same day | Glanton Richard HDirector | PPurchase | +753 | $6.37 | +$4.80K | +3.4%23.0K after | |
| Sep 24, 2021 (view filing) | Sep 20 | 4 daysLate | Glanton Richard HDirector | SSale | −4.36K | $9.04 | −$39.4K | −16.4%22.2K after | |
| Aug 19, 2021 (view filing) | Aug 17 | 2 days | Stamatakis Manuel N.Director | PPurchase | +5.00K | $9.62 | +$48.1K | +2.8%184.7K after |