NYSE · CIK 0001436126
MG Mistras Group, Inc.
Insider trading from SEC Form 4. Last filing 6 d ago. Close $20.77 on Oct 9, 2026, +121% from the 52-week low and -4% from the high.
Mistras Group, Inc. (MG) has 50 SEC Form 4 filings on file from 12 insiders, the latest filed on Oct 7, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
4 open-market trades have been scored at MG. The newest: Stephanie Athena Foglia (10% owner) sold $62k of stock on Jan 5, 2026, filed Jun 4, 2026, scored 39 (weak). The largest of the 4 shown: Nicholas Debenedictis (director) bought $199k on Mar 18, 2025, scored 30 (weak).
MG closed at $20.77 on Oct 9, 2026, 121% above its 52-week low and 4% below its 52-week high.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Mistras Group, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 39Weak | Stephanie Athena Foglia owner sell | $62k 4,000 shares | -70% | +85% from low0% from high | |
| 38Weak | Eileen Mary Coggins EVP & Chief Legal Officer buy | $143k 15,000 shares | - | +31% from low-22% from high | |
| 46Moderate | Manuel N. Stamatakis Executive Chairman buy | $77k 10,000 shares | +3% | +6% from low-37% from high | |
| 30Weak | Nicholas Debenedictis director buy | $199k 20,000 shares | +10% | - |
Transactions
The newest 50 of 69 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 10, 2026 | Aspasia Felice Vahaviolos owner | GGift Common Stock | +387,093 | $0.00 | $0 | 2,160,790 | 6 d ago |
| Sep 20, 2026 | Gennaro A. D'Alterio EVP, Chief Commercial Officer | FTax withholding Common Stock | -662 | $20.75 | $14k | 46,577 | 21 d ago |
| Sep 18, 2026 | Eileen Mary Coggins Chief Legal Officer | FTax withholding Common Stock | -1,636 | $19.66 | $32k | 13,364 | 25 d ago |
| Sep 10, 2026 | Stephanie Athena Foglia owner | GGift Common Stockindirect: By GRAT | -387,093 | $0.00 | $0 | 3,923,718 | 29 d ago |
| Sep 10, 2026 | Aspasia Felice Vahaviolos owner | GGift Common Stock | +387,093 | $0.00 | $0 | 2,154,541 | 29 d ago |
| Sep 8, 2026 | Natalia Shuman-Fabbri President and CEO | FTax withholding Common Stock | -2,410 | $19.42 | $47k | 123,780 | 34 d ago |
| Jun 10, 2026 | Stephanie Athena Foglia owner | GGift Common Stockindirect: By GRAT | -411,875 | $0.00 | $0 | 4,310,811 | Jun 12, 2026 |
| Jan 5, 2026 | Stephanie Athena Foglia owner | SOpen-market sale Common Stockindirect: By Spouse | -1,000 | $13.60 | $14k | 4,692 | Jun 4, 2026 |
| Feb 3, 2026 | Stephanie Athena Foglia owner | SOpen-market sale Common Stockindirect: By Spouse | -1,000 | $14.60 | $15k | 3,692 | Jun 4, 2026 |
| Mar 3, 2026 | Stephanie Athena Foglia owner | SOpen-market sale Common Stockindirect: By Spouse | -1,000 | $15.50 | $16k | 2,692 | Jun 4, 2026 |
| Apr 17, 2026 | Stephanie Athena Foglia owner | SOpen-market sale Common Stockindirect: By Spouse | -1,000 | $18.00 | $18k | 1,692 | Jun 4, 2026 |
| Apr 27, 2026 | Stephanie Athena Foglia owner | GGift Common Stockindirect: By GRAT | -528,672 | $0.00 | $0 | 4,722,686 | Jun 4, 2026 |
| May 19, 2026 | Nicholas Debenedictis director | AGrant or award Common Stock | +6,862 | $0.00 | $0 | 248,820 | May 21, 2026 |
| May 19, 2026 | James J Forese director | AGrant or award Common Stock | +6,862 | $0.00 | $0 | 177,043 | May 21, 2026 |
| Mar 26, 2026 | Hanei Wail Hammad EVP & Chief Operating Officer | FTax withholding Common Stock | -2,865 | $15.10 | $43k | 61,777 | Mar 26, 2026 |
| Mar 22, 2026 | Edward J Prajzner Sr. EVP and CFO | FTax withholding Common Stock | -1,367 | $14.05 | $19k | 148,076 | Mar 23, 2026 |
| Mar 16, 2026 | Edward J Prajzner Sr. EVP and CFO | FTax withholding Common Stock | -2,239 | $14.61 | $33k | 149,443 | Mar 17, 2026 |
| Mar 4, 2026 | Gennaro A. D'Alterio EVP, Chief Commercial Officer | FTax withholding Common Stock | -184 | $15.68 | $2,885 | 47,239 | Mar 10, 2026 |
| Mar 4, 2026 | Hanei Wail Hammad EVP & Chief Operating Officer | FTax withholding Common Stock | -337 | $15.68 | $5,284 | 64,642 | Mar 10, 2026 |
| Mar 4, 2026 | Edward J Prajzner Sr. EVP and CFO | FTax withholding Common Stock | -698 | $15.68 | $11k | 154,222 | Mar 10, 2026 |
| Mar 4, 2026 | Manuel N. Stamatakis Executive Chairman | FTax withholding Common Stock | -814 | $15.68 | $13k | 509,795 | Mar 10, 2026 |
| Mar 7, 2026 | Edward J Prajzner Sr. EVP and CFO | FTax withholding Common Stock | -2,540 | $14.82 | $38k | 151,682 | Mar 10, 2026 |
| Mar 25, 2025 | Hanei Wail Hammad EVP & Chief Operating Officer | FTax withholding Common Stock | -6,384 | $10.79 | $69k | 58,595 | Mar 9, 2026 |
| Feb 25, 2026 | Hanei Wail Hammad EVP & Chief Operating Officer | AGrant or award Common Stock | +29,762 | $0.00 | $0 | 88,357 | Mar 9, 2026 |
| Feb 25, 2026 | Edward J Prajzner Sr. EVP and CFO | AGrant or award Common Stock | +37,202 | $0.00 | $0 | 156,223 | Mar 6, 2026 |
| Feb 25, 2026 | Manuel N. Stamatakis Executive Chairman | AGrant or award Common Stock | +86,310 | $0.00 | $0 | 510,609 | Mar 6, 2026 |
| Feb 25, 2026 | Natalia Shuman-Fabbri President and CEO | AGrant or award Common Stock | +101,190 | $0.00 | $0 | 126,190 | Mar 6, 2026 |
| Feb 28, 2026 | Edward J Prajzner Sr. EVP and CFO | FTax withholding Common Stock | -1,303 | $15.28 | $20k | 154,920 | Mar 6, 2026 |
| Mar 25, 2025 | Hanei Wail Hammad EVP & Chief Operating Officer | DDisposition to issuer Common Stock | -6,384 | $10.79 | $69k | 58,595 | Mar 4, 2026 |
| Feb 25, 2026 | Eileen Mary Coggins EVP, General Counsel | AGrant or award Common Stock | +7,242 | $0.00 | $0 | 22,242 | Mar 4, 2026 |
| Feb 25, 2026 | Hanei Wail Hammad EVP & Chief Operating Officer | AGrant or award Common Stock | +29,762 | $0.00 | $0 | 88,357 | Mar 4, 2026 |
| Feb 25, 2026 | Gennaro A. D'Alterio EVP, Chief Commercial Officer | AGrant or award Common Stock | +19,905 | $0.00 | $0 | 48,940 | Mar 3, 2026 |
| Feb 28, 2026 | Gennaro A. D'Alterio EVP, Chief Commercial Officer | FTax withholding Common Stock | -655 | $15.28 | $10k | 48,285 | Mar 3, 2026 |
| Feb 28, 2026 | Gennaro A. D'Alterio EVP, Chief Commercial Officer | FTax withholding Common Stock | -862 | $15.28 | $13k | 47,423 | Mar 3, 2026 |
| Dec 31, 2025 | Aspasia Felice Vahaviolos owner | GGift Common Stock | -5,251,358 | $0.00 | $0 | 854,292 | Feb 27, 2026 |
| Jan 5, 2026 | Edward J Prajzner Sr. EVP and CFO | FTax withholding Common Stock | -2,699 | $12.65 | $34k | 119,021 | Jan 9, 2026 |
| Jan 2, 2026 | Manuel N. Stamatakis Executive Chairman | AGrant or award Common Stock | +40,000 | $0.00 | $0 | 424,299 | Jan 9, 2026 |
| Jan 5, 2026 | Edward J Prajzner Sr. EVP and CFO | FTax withholding Common Stock | -2,699 | $12.65 | $34k | 119,021 | Jan 5, 2026 |
| Jan 2, 2026 | Manuel N. Stamatakis Executive Chairman | AGrant or award Common Stock | +40,000 | $0.00 | $0 | 424,299 | Jan 5, 2026 |
| Dec 4, 2025 | Charles P Pizzi director | GGift Common Stock | -2,150 | $0.00 | $0 | 66,618 | Dec 5, 2025 |
| Sep 24, 2025 | Gennaro A. D'Alterio EVP, Chief Commercial Officer | FTax withholding Common Stock | -475 | $9.53 | $4,527 | 29,035 | Dec 4, 2025 |
| Sep 15, 2025 | Eileen Mary Coggins EVP & Chief Legal Officer | AGrant or award Common Stock | +15,000 | $0.00 | $0 | 15,000 | Oct 1, 2025 |
| Sep 15, 2025 | Eileen Mary Coggins EVP & Chief Legal Officer | AGrant or award Right to buyderivative | +25,000 | $0.00 | $0 | 25,000 | Oct 1, 2025 |
| Sep 15, 2025 | Eileen Mary Coggins EVP & Chief Legal Officer | POpen-market purchase Common Stock | +15,000 | $9.55 | $143k | 15,000 | Sep 25, 2025 |
| Sep 15, 2025 | Eileen Mary Coggins EVP & Chief Legal Officer | POpen-market purchase Stock Options (Right to Buy)derivative | +25,000 | $9.55 | $239k | 25,000 | Sep 25, 2025 |
| Sep 8, 2025 | Natalia Shuman-Fabbri President and CEO | AGrant or award Common Stock | +25,000 | $0.00 | $0 | 25,000 | Sep 10, 2025 |
| Jul 2, 2025 | Sotirios Vahaviolos January 2023 2-Year Grantor Retained Annuity Trust owner | GGift Common Stock | -4,685,578 | $0.00 | $0 | 0 | Sep 10, 2025 |
| Jul 2, 2025 | Aspasia Felice Vahaviolos owner | WWill or inheritance Common Stock | +2,217,087 | $0.00 | $0 | 6,105,650 | Sep 10, 2025 |
| Sep 8, 2025 | Natalia Shuman-Fabbri President and CEO | AGrant or award Stock Options (Right to Buy)derivative | +35,000 | $0.00 | $0 | 35,000 | Sep 10, 2025 |
| Jun 5, 2025 | Manuel N. Stamatakis Executive Chairman | POpen-market purchase Common Stock | +10,000 | $7.71 | $77k | 384,299 | Jun 6, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- Eileen Mary CogginsEVP, General Counsel
- Gennaro A. D'AlterioEVP, Chief Commercial Officer
- Nicholas Debenedictisdirector
- James J Foresedirector
- Stephanie Athena Fogliaowner
- Hanei Wail HammadEVP & Chief Operating Officer
- Charles P Pizzidirector
- Edward J PrajznerSr. EVP and CFO
- Natalia Shuman-FabbriPresident and CEO
- Sotirios Vahaviolos January 2023 2-Year Grantor Retained Annuity Trustowner
- Manuel N. StamatakisExecutive Chairman
- Aspasia Felice Vahaviolosowner
Questions about MG
Answered from the filings on this page, as of the latest one.
Are insiders buying MG?
No. In the last 90 days no insider at Mistras Group, Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade MG on the open market?
Stephanie Athena Foglia (10% owner) sold $62k of MG on Jan 5, 2026 and filed the Form 4 on Jun 4, 2026. InsiderTell scored 39 (weak).
How many insiders file Form 4 at Mistras Group, Inc.?
12 people have filed a Form 4 at Mistras Group, Inc., among them Eileen Mary Coggins (EVP, General Counsel), Gennaro A. D'Alterio (EVP, Chief Commercial Officer), Nicholas Debenedictis (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.