Vahaviolos Sotirios J.
Related Filers (1)
Ownership (72)
SC 13G/A
Wednesday, 2/14/2024
Mistras Group, Inc.: Major Shareholders
SC 13G/A
Wednesday, 2/14/2024
Mistras Group, Inc.: Major Shareholders
5
Tuesday, 2/6/2024
Mistras Group, Inc.: Annual statement of changes in beneficial ownership of securities
SC 13G
Tuesday, 2/7/2023
Mistras Group, Inc.: Major Shareholders
4
Wednesday, 1/18/2023
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G
Wednesday, 2/9/2022
Mistras Group, Inc.: Major Shareholders
4/A
Monday, 1/10/2022
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 1/7/2022
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Thursday, 2/11/2021
Mistras Group, Inc.: Major Shareholders
5/A
Friday, 2/5/2021
Mistras Group, Inc.: Annual statement of changes in beneficial ownership of securities
5
Wednesday, 2/3/2021
Mistras Group, Inc.: Annual statement of changes in beneficial ownership of securities
4
Tuesday, 1/5/2021
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/2/2020
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/1/2020
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Friday, 2/14/2020
Mistras Group, Inc.: Major Shareholders
4
Friday, 1/3/2020
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
5
Friday, 1/3/2020
Mistras Group, Inc.: Annual statement of changes in beneficial ownership of securities
4
Friday, 8/23/2019
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/20/2019
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 6/3/2019
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/20/2019
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 2/4/2019
Mistras Group, Inc.: Major Shareholders
5
Friday, 1/25/2019
Mistras Group, Inc.: Annual statement of changes in beneficial ownership of securities
4
Thursday, 1/3/2019
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 8/10/2018
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/5/2018
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 3/16/2018
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Wednesday, 2/7/2018
Mistras Group, Inc.: Major Shareholders
5
Tuesday, 1/9/2018
Mistras Group, Inc.: Annual statement of changes in beneficial ownership of securities
4
Tuesday, 1/2/2018
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/16/2017
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/8/2017
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/12/2017
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/7/2017
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 6/2/2017
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/10/2017
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 4/13/2017
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/21/2017
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/9/2017
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 2/16/2017
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 1/30/2017
Mistras Group, Inc.: Major Shareholders
5
Friday, 1/27/2017
Mistras Group, Inc.: Annual statement of changes in beneficial ownership of securities
4
Thursday, 1/12/2017
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/14/2016
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 11/7/2016
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/26/2016
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 9/12/2016
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 8/18/2016
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/17/2016
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
5
Wednesday, 7/6/2016
Mistras Group, Inc.: Annual statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 2/8/2016
Mistras Group, Inc.: Major Shareholders
4
Friday, 8/21/2015
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Tuesday, 2/17/2015
Mistras Group, Inc.: Major Shareholders
4
Friday, 10/24/2014
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/20/2014
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Thursday, 2/6/2014
Mistras Group, Inc.: Major Shareholders
4
Thursday, 1/23/2014
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/21/2013
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 8/16/2013
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Wednesday, 2/13/2013
Mistras Group, Inc.: Major Shareholders
4
Tuesday, 8/21/2012
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 8/17/2012
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 2/13/2012
Mistras Group, Inc.: Major Shareholders
4
Wednesday, 8/24/2011
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/17/2011
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 2/7/2011
Mistras Group, Inc.: Major Shareholders
4
Thursday, 8/19/2010
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/17/2010
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 8/17/2010
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
SC 13G
Tuesday, 2/16/2010
Mistras Group, Inc.: Major Shareholders
4
Friday, 10/16/2009
Mistras Group, Inc.: Statement of changes in beneficial ownership of securities
3
Wednesday, 10/7/2009
Mistras Group, Inc.: Initial statement of beneficial ownership of securities