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AMTECH SYSTEMS INC (ASYS) Create: Alert

All | News | Filings
Date FiledTypeDescription
02/24/2022 SC 13D/A PITON CAPITAL PARTNERS LLC reports a 18.4% stake in AMTECH SYSTEMS, INC.
02/18/2021 SC 13D/A Harbert Discovery Fund, LP reports a 3.6% stake in Amtech Systems, Inc.
01/30/2020 SC 13D/A Privet Fund LP reports a 3.8% stake in Amtech Systems, Inc.
07/17/2018 SC 13D/A Schreyer Leslie J reports a 16.2% stake in AMTECH SYSTEMS, INC.
12/18/2017 SC 13D/A Schreyer Leslie J reports a 16.4% stake in AMTECH SYSTEMS, INC.
08/24/2017 SC 13D/A Schreyer Leslie J reports a 16.6% stake in AMTECH SYSTEMS, INC.
03/18/2016 SC 13D/A WANSEM PAUL J VAN DER reports a 4.4% stake in AMTECH SYSTEMS, INC.
01/31/2011 SC 13D/A Form SC 13D - General statement of acquisition of beneficial ownership [amend]
09/28/2010 SC 13D/A Form SC 13D - General statement of acquisition of beneficial ownership [amend]
09/08/2010 SC 13D/A Form SC 13D - General statement of acquisition of beneficial ownership [amend]
09/08/2010 SC 13D/A Form SC 13D - General statement of acquisition of beneficial ownership [amend]
02/20/2009 SC 13D/A Form SC 13D/A -- General statement of acquisition of beneficial ownership [amend]

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