WHANG MICHAEL
Related Filers (1)
Ownership (11)
4
Monday, 12/5/2022
AMTECH SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/30/2022
AMTECH SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 8/25/2022
AMTECH SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/18/2021
AMTECH SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/19/2020
AMTECH SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/3/2020
AMTECH SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Friday, 3/8/2019
AMTECH SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Thursday, 11/29/2018
AMTECH SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Monday, 6/4/2018
AMTECH SYSTEMS INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/15/2018
AMTECH SYSTEMS INC: Statement of changes in beneficial ownership of securities
3
Friday, 1/12/2018
AMTECH SYSTEMS INC: Initial statement of beneficial ownership of securities