NYSE:MG | Insider Transactions | Mistras Group, Inc.

MG Insider Transactions

185 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.

MG insiders transaction timeline

PurchaseSale
2009-10-08: 4 purchases — Vahaviolos Sotirios J., Genesi Ralph L., Peterik Paul and 1 more2009-10-14: 8 sales — Burgess Elizabeth, FORESE JAMES J, TC NDT Holdings, L.L.C. and 5 more2010-04-20: 1 purchase — Burgess Elizabeth2010-04-30: 1 purchase — FORESE JAMES J2010-05-04: 1 purchase — DICKINSON DANIEL M2010-08-13: 2 purchases — Carlos Mark F., Vahaviolos Sotirios J.2010-08-16: 1 purchase — Vahaviolos Sotirios J.2011-04-15: 1 purchase — FORESE JAMES J2011-05-11: 1 sale — TC NDT Holdings, L.L.C.2011-10-27: 1 sale — Genesi Ralph L.2011-10-28: 1 sale — Genesi Ralph L.2012-01-12: 1 sale — Keefe Michael C2012-04-16: 1 sale — Keefe Michael C2012-04-17: 1 sale — Lange Michael J.2012-05-01: 1 sale — Lange Michael J.2012-05-02: 1 sale — Lange Michael J.2012-05-07: 1 sale — Lange Michael J.2012-10-22: 1 sale — Bertolotti Dennis2012-10-23: 1 sale — Bertolotti Dennis2012-10-24: 1 sale — Bertolotti Dennis2012-11-09: 1 sale — Cole Phillip T.2012-12-04: 1 sale — Lange Michael J.2012-12-05: 1 sale — Lange Michael J.2012-12-06: 1 sale — Lange Michael J.2013-01-02: 1 sale — Lange Michael J.2013-01-14: 1 sale — Keefe Michael C2013-02-01: 1 sale — Lange Michael J.2013-02-14: 1 sale — Genesi Ralph L.2013-02-15: 1 sale — Genesi Ralph L.2013-03-08: 1 sale — Lange Michael J.2013-04-01: 1 sale — Lange Michael J.2013-05-14: 1 sale — Bertolotti Dennis2013-05-15: 1 sale — Genesi Ralph L.2013-05-22: 1 sale — Lange Michael J.2013-06-18: 1 sale — Lange Michael J.2013-06-19: 1 sale — Lange Michael J.2013-08-12: 1 sale — JOYCE FRANCIS T2013-08-20: 1 sale — Genesi Ralph L.2013-11-18: 1 sale — Genesi Ralph L.2014-01-14: 1 sale — Lange Michael J.2014-01-15: 1 sale — Lange Michael J.2014-01-16: 2 sales — Keefe Michael C2014-01-30: 1 sale — Lange Michael J.2014-02-06: 1 sale — Bertolotti Dennis2014-02-18: 1 sale — Lange Michael J.2014-02-19: 2 sales — Genesi Ralph L., Lange Michael J.2014-02-20: 2 sales — Genesi Ralph L., Lange Michael J.2014-04-21: 1 sale — Lange Michael J.2014-04-22: 1 sale — Lange Michael J.2014-04-23: 1 sale — Lange Michael J.2014-04-24: 1 sale — Lange Michael J.2014-05-01: 1 sale — Lange Michael J.2014-05-02: 1 sale — Lange Michael J.2014-05-05: 1 sale — Bertolotti Dennis2014-08-20: 1 sale — GLANTON RICHARD H2014-11-13: 1 purchase — Wolk Jonathan H2015-01-16: 1 sale — Genesi Ralph L.2015-01-21: 1 sale — Bertolotti Dennis2015-01-23: 1 sale — Genesi Ralph L.2015-01-26: 1 sale — GLANTON RICHARD H2015-04-16: 1 sale — Keefe Michael C2015-05-20: 1 sale — Genesi Ralph L.2015-08-10: 1 purchase — Wolk Jonathan H2015-10-27: 1 purchase — DEBENEDICTIS NICHOLAS2015-10-30: 1 purchase — DEBENEDICTIS NICHOLAS2015-11-18: 1 sale — Carlos Mark F.2016-01-25: 1 purchase — DEBENEDICTIS NICHOLAS2016-01-29: 1 sale — Bertolotti Dennis2016-08-16: 1 sale — Bertolotti Dennis2016-10-25: 1 sale — Vahaviolos Sotirios J.2016-11-04: 1 sale — Vahaviolos Sotirios J.2016-12-13: 1 sale — Vahaviolos Sotirios J.2017-01-12: 1 sale — Vahaviolos Sotirios J.2017-01-18: 1 purchase — DEBENEDICTIS NICHOLAS2017-01-19: 1 purchase — DEBENEDICTIS NICHOLAS2017-02-03: 1 purchase — Stamatakis Manuel N.2017-02-07: 1 purchase — DEBENEDICTIS NICHOLAS2017-02-14: 1 sale — Vahaviolos Sotirios J.2017-02-28: 1 sale — Bertolotti Dennis2017-03-08: 1 sale — Vahaviolos Sotirios J.2017-03-24: 1 purchase — DEBENEDICTIS NICHOLAS2017-04-13: 1 sale — Vahaviolos Sotirios J.2017-05-08: 1 sale — Vahaviolos Sotirios J.2017-05-11: 5 sales — Bertolotti Dennis, Keefe Michael C2017-06-06: 1 sale — Vahaviolos Sotirios J.2017-07-11: 1 sale — Vahaviolos Sotirios J.2017-08-08: 1 sale — Vahaviolos Sotirios J.2017-08-14: 1 purchase — Stamatakis Manuel N.2017-08-15: 1 sale — Keefe Michael C2017-08-18: 1 purchase — Stamatakis Manuel N.2017-08-22: 1 purchase — Wolk Jonathan H2017-12-01: 1 sale — Keefe Michael C2018-05-10: 1 sale — WELDON WAYNE CURTIS2018-06-06: 1 sale — Keefe Michael C2018-08-09: 1 sale — Vahaviolos Sotirios J.2018-12-18: 1 purchase — Stamatakis Manuel N.2018-12-19: 1 purchase — DEBENEDICTIS NICHOLAS2018-12-20: 2 purchases — DEBENEDICTIS NICHOLAS, Stamatakis Manuel N.2019-03-14: 2 purchases — DEBENEDICTIS NICHOLAS, Stamatakis Manuel N.2019-03-15: 1 purchase — DEBENEDICTIS NICHOLAS2019-03-18: 1 purchase — DEBENEDICTIS NICHOLAS2019-05-13: 1 purchase — Stamatakis Manuel N.2019-05-15: 2 purchases — Stamatakis Manuel N.2019-05-16: 1 purchase — DEBENEDICTIS NICHOLAS2019-05-17: 1 purchase — DEBENEDICTIS NICHOLAS2019-05-20: 1 purchase — DEBENEDICTIS NICHOLAS2019-05-23: 1 purchase — DEBENEDICTIS NICHOLAS2019-05-24: 1 purchase — DEBENEDICTIS NICHOLAS2019-05-30: 1 purchase — DEBENEDICTIS NICHOLAS2019-05-31: 1 purchase — DEBENEDICTIS NICHOLAS2019-06-03: 2 purchases — Wolk Jonathan H2019-06-05: 2 purchases — Wolk Jonathan H2019-11-08: 1 purchase — Stamatakis Manuel N.2020-03-30: 8 purchases — Vahaviolos Sotirios J., Stamatakis Manuel N., DEBENEDICTIS NICHOLAS and 4 more2020-03-31: 3 purchases — Bertolotti Dennis, DEBENEDICTIS NICHOLAS, Lohmeier Michelle2020-11-16: 1 sale — Stamatakis Manuel N.2020-12-18: 1 purchase — Stamatakis Manuel N.2021-05-11: 1 purchase — Stamatakis Manuel N.2021-06-14: 1 sale — GLANTON RICHARD H2021-08-17: 1 purchase — Stamatakis Manuel N.2021-09-20: 1 sale — GLANTON RICHARD H2022-03-25: 1 purchase — GLANTON RICHARD H2023-11-07: 1 purchase — Stamatakis Manuel N.2023-11-08: 1 purchase — DEBENEDICTIS NICHOLAS2023-11-09: 1 purchase — DEBENEDICTIS NICHOLAS2023-11-14: 1 sale — Smith John Anthony2023-12-11: 1 purchase — DEBENEDICTIS NICHOLAS2023-12-13: 1 purchase — DEBENEDICTIS NICHOLAS2023-12-20: 1 purchase — DEBENEDICTIS NICHOLAS2024-03-12: 1 sale — Lange Michael J.2024-06-20: 1 sale — GLANTON RICHARD H2024-09-16: 1 sale — Lange Michael J.2024-09-17: 1 sale — Lange Michael J.2024-09-18: 1 sale — Lange Michael J.2024-09-19: 1 sale — Lange Michael J.2024-09-20: 1 sale — Lange Michael J.2024-09-23: 1 sale — Lange Michael J.2024-09-24: 1 sale — Lange Michael J.2024-09-25: 1 sale — Lange Michael J.2025-03-18: 1 purchase — DEBENEDICTIS NICHOLAS2025-03-19: 2 purchases — DEBENEDICTIS NICHOLAS, Stamatakis Manuel N.2025-03-20: 1 purchase — DEBENEDICTIS NICHOLAS2025-06-05: 1 purchase — Stamatakis Manuel N.2025-09-15: 1 purchase — Coggins Eileen Mary2026-01-05: 2 sales — Foglia Stephanie Athena, 2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. Vahaviolos2026-02-03: 2 sales — Foglia Stephanie Athena, 2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. Vahaviolos2026-03-03: 2 sales — Foglia Stephanie Athena, 2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. Vahaviolos2026-04-17: 2 sales — Foglia Stephanie Athena, 2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. Vahaviolos2009-10-082026-04-17
Insider profileRoleDateTransactionSharesPrice
Foglia Stephanie AthenaTenPercentOwner2026-04-17Sale1,000.0$18.0
2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. VahaviolosTenPercentOwner2026-04-17Sale1,000.0$18.0
Foglia Stephanie AthenaTenPercentOwner2026-03-03Sale1,000.0$15.5
2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. VahaviolosTenPercentOwner2026-03-03Sale1,000.0$15.5
Foglia Stephanie AthenaTenPercentOwner2026-02-03Sale1,000.0$14.6
2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. VahaviolosTenPercentOwner2026-02-03Sale1,000.0$14.6
Foglia Stephanie AthenaTenPercentOwner2026-01-05Sale1,000.0$13.6
2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. VahaviolosTenPercentOwner2026-01-05Sale1,000.0$13.6
Coggins Eileen MaryEVP & Chief Legal Officer2025-09-15Purchase15,000.0$9.55
Stamatakis Manuel N.Executive Chairman2025-06-05Purchase10,000.0$7.71
DEBENEDICTIS NICHOLASDirector2025-03-20Purchase1,038.0$10.01
DEBENEDICTIS NICHOLASDirector2025-03-19Purchase8,962.0$10.04
Stamatakis Manuel N.Executive Chairman2025-03-19Purchase10,000.0$9.95
DEBENEDICTIS NICHOLASDirector2025-03-18Purchase10,000.0$9.84
Lange Michael J.Senior EVP2024-09-25Sale6,111.0$11.17
Lange Michael J.Senior EVP2024-09-24Sale18,550.0$11.36
Lange Michael J.Senior EVP2024-09-23Sale12,827.0$10.79
Lange Michael J.Senior EVP2024-09-20Sale24,706.0$11.02
Lange Michael J.Senior EVP2024-09-19Sale11,803.0$10.8
Lange Michael J.Senior EVP2024-09-18Sale5,013.0$10.74
Lange Michael J.Senior EVP2024-09-17Sale13,832.0$10.64
Lange Michael J.Senior EVP2024-09-16Sale7,158.0$10.58
GLANTON RICHARD HDirector2024-06-20Sale21,000.0$7.68
Lange Michael J.Senior EVP2024-03-12Sale5,000.0$8.53
DEBENEDICTIS NICHOLASDirector2023-12-20Purchase3,000.0$7.05
DEBENEDICTIS NICHOLASDirector2023-12-13Purchase2,000.0$6.6
DEBENEDICTIS NICHOLASDirector2023-12-11Purchase100.0$6.5
Smith John AnthonyExecutive Vice President2023-11-14Sale10,018.0$6.29
DEBENEDICTIS NICHOLASDirector2023-11-09Purchase3,684.0$5.94
DEBENEDICTIS NICHOLASDirector2023-11-08Purchase120.0$5.8
Stamatakis Manuel N.Interim President and CEO2023-11-07Purchase15,000.0$6.0
GLANTON RICHARD HDirector2022-03-25Purchase753.0$6.37
GLANTON RICHARD HDirector2021-09-20Sale4,357.0$9.04
Stamatakis Manuel N.Director2021-08-17Purchase5,000.0$9.62
GLANTON RICHARD HDirector2021-06-14Sale18,000.0$10.95
Stamatakis Manuel N.Director2021-05-11Purchase15,000.0$9.98
Stamatakis Manuel N.Director2020-12-18Purchase20,000.0$7.35
Stamatakis Manuel N.Director2020-11-16Sale47,721.0$4.55
Bertolotti DennisPresident and CEO2020-03-31Purchase1,500.0$4.48
DEBENEDICTIS NICHOLASDirector2020-03-31Purchase16,468.0$4.32
Lohmeier MichelleDirector2020-03-31Purchase3,636.0$4.5
Vahaviolos Sotirios J.Executive Chairman2020-03-30Purchase87,670.0$4.52
Stamatakis Manuel N.Director2020-03-30Purchase50,000.0$4.67
DEBENEDICTIS NICHOLASDirector2020-03-30Purchase58,532.0$4.77
WELDON WAYNE CURTISDirector2020-03-30Purchase4,030.0$4.94
FORESE JAMES JDirector2020-03-30Purchase10,000.0$4.56
Lohmeier MichelleDirector2020-03-30Purchase5,547.0$4.49
Bertolotti DennisPresident and CEO2020-03-30Purchase200.0$4.05
Bertolotti DennisPresident and CEO2020-03-30Purchase5,800.0$4.5
Stamatakis Manuel N.Director2019-11-08Purchase5,000.0$14.6
Wolk Jonathan HSr. EVP and COO2019-06-05Purchase1,579.0$13.79
Wolk Jonathan HSr. EVP and COO2019-06-05Purchase921.0$13.71
Wolk Jonathan HSr. EVP and COO2019-06-03Purchase146.0$13.82
Wolk Jonathan HSr. EVP and COO2019-06-03Purchase900.0$13.68
DEBENEDICTIS NICHOLASDirector2019-05-31Purchase900.0$13.85
DEBENEDICTIS NICHOLASDirector2019-05-30Purchase100.0$13.85
DEBENEDICTIS NICHOLASDirector2019-05-24Purchase1,000.0$13.95
DEBENEDICTIS NICHOLASDirector2019-05-23Purchase1,010.0$13.99
DEBENEDICTIS NICHOLASDirector2019-05-20Purchase2,995.0$13.64
DEBENEDICTIS NICHOLASDirector2019-05-17Purchase2,495.0$14.03
DEBENEDICTIS NICHOLASDirector2019-05-16Purchase1,500.0$14.15
Stamatakis Manuel N.Director2019-05-15Purchase5,000.0$14.04
Stamatakis Manuel N.Director2019-05-15Purchase5,000.0$14.04
Stamatakis Manuel N.Director2019-05-13Purchase5,000.0$13.25
DEBENEDICTIS NICHOLASDirector2019-03-18Purchase7,000.0$13.9
DEBENEDICTIS NICHOLASDirector2019-03-15Purchase10,000.0$13.99
DEBENEDICTIS NICHOLASDirector2019-03-14Purchase3,000.0$13.78
Stamatakis Manuel N.Director2019-03-14Purchase15,000.0$13.85
DEBENEDICTIS NICHOLASDirector2018-12-20Purchase7,304.0$14.9
Stamatakis Manuel N.Director2018-12-20Purchase10,000.0$14.84
DEBENEDICTIS NICHOLASDirector2018-12-19Purchase2,696.0$14.55
Stamatakis Manuel N.Director2018-12-18Purchase15,000.0$14.28
Vahaviolos Sotirios J.Executive Chairman2018-08-09Sale321,000.0$21.92
Keefe Michael CEVP, General Counsel2018-06-06Sale3,651.0$20.02
WELDON WAYNE CURTISDirector2018-05-10Sale2,823.0$19.55
Keefe Michael CEVP, General Counsel2017-12-01Sale4,000.0$22.8
Wolk Jonathan HSr. EVP, COO, CFO, Treasurer2017-08-22Purchase2,500.0$17.41
Stamatakis Manuel N.Director2017-08-18Purchase3,000.0$17.59
Keefe Michael CEVP, General Counsel2017-08-15Sale4,462.0$18.05
Stamatakis Manuel N.Director2017-08-14Purchase4,500.0$18.88
Vahaviolos Sotirios J.Chairman and CEO2017-08-08Sale90,490.0$21.25
Vahaviolos Sotirios J.Chairman and CEO2017-07-11Sale94,877.0$21.08
Vahaviolos Sotirios J.Chairman and CEO2017-06-06Sale94,206.0$21.23
Bertolotti DennisPresident and COO2017-05-11Sale300.0$22.0
Bertolotti DennisPresident and COO2017-05-11Sale8,600.0$21.18
Bertolotti DennisPresident and COO2017-05-11Sale300.0$22.0
Bertolotti DennisPresident and COO2017-05-11Sale8,600.0$21.18
Keefe Michael CEVP, General Counsel2017-05-11Sale8,004.0$21.18
Vahaviolos Sotirios J.Chairman and CEO2017-05-08Sale95,557.0$20.93
Vahaviolos Sotirios J.Chairman and CEO2017-04-13Sale94,607.0$21.14
DEBENEDICTIS NICHOLASDirector2017-03-24Purchase2,500.0$20.25
Vahaviolos Sotirios J.Chairman and CEO2017-03-08Sale89,166.0$22.43
Bertolotti DennisPresident and COO2017-02-28Sale5,000.0$22.52
Vahaviolos Sotirios J.Chairman and CEO2017-02-14Sale85,985.0$23.26
DEBENEDICTIS NICHOLASDirector2017-02-07Purchase2,500.0$22.5
Stamatakis Manuel N.Director2017-02-03Purchase5,000.0$22.81
DEBENEDICTIS NICHOLASDirector2017-01-19Purchase2,500.0$22.52
DEBENEDICTIS NICHOLASDirector2017-01-18Purchase2,500.0$22.75
Vahaviolos Sotirios J.Chairman and CEO2017-01-12Sale81,103.0$24.66
Vahaviolos Sotirios J.Chairman and CEO2016-12-13Sale92,795.0$21.55