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AMERICAN SUPERCONDUCTOR CORP (AMSC) Create: Alert

All | News | Filings
Date FiledTypeDescription
07/05/2023 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
01/19/2023 SC 13G/A BAILLIE GIFFORD & CO reports a 5.1% stake in American Superconductor Corporation
02/09/2022 SC 13G/A Invesco Ltd. reports a 7.3% stake in American Superconductor Corp
02/01/2022 SC 13G/A BlackRock Inc. reports a 6.7% stake in AMERICAN SUPERCONDUCTOR CORP
02/10/2021 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
01/08/2021 SC 13G/A AWM Investment Company, Inc. reports a 4.6% stake in American Superconductor Corporation
06/19/2020 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/13/2020 SC 13G/A SATTERFIELD THOMAS A JR reports a 3.1% stake in American Superconductor Corporation
02/12/2020 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/04/2020 SC 13G/A INTEGRATED CORE STRATEGIES LLC reports a 0% stake in AMERICAN SUPERCONDUCTOR CORPORATION
02/13/2019 SC 13G/A SATTERFIELD THOMAS A JR reports a 5.3% stake in American Superconductor Corporation
02/13/2019 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/08/2019 SC 13G/A HIRSCHMAN ORIN reports a 4.9% stake in American Superconductor Corporation
01/26/2018 SC 13G/A ARDSLEY ADVISORY PARTNERS reports a 1.5% stake in American Superconductor Corporation
09/08/2017 SC 13G/A AWM Investment Company, Inc. reports a 3.3% stake in American Superconductor Corporation
02/10/2017 SC 13G/A AWM Investment Company, Inc. reports a 8.8% stake in American Superconductor Corporation
02/13/2015 SC 13G/A CAPITAL VENTURES INTERNATIONAL reports a 3.1% stake in American Superconductor Corporation
07/10/2014 SC 13G/A BlackRock Inc. reports a 2.1% stake in AMERICAN SUPERCONDUCTOR CORP.
02/13/2014 SC 13G/A CAPITAL VENTURES INTERNATIONAL reports a 5.5% stake in American Superconductor Corporation
12/10/2013 SC 13G/A BlackRock Inc. reports a 5% stake in AMERICAN SUPERCONDUCTOR CORP.
02/13/2013 SC 13G/A CAPITAL VENTURES INTERNATIONAL reports a 9.9% stake in American Superconductor Corporation
02/08/2013 SC 13G/A BlackRock Inc. reports a 5.5% stake in AMERICAN SUPERCONDUCTOR CORP.
02/13/2012 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
08/08/2011 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
06/10/2011 SC 13G/A AMERICAN SUPERCONDUCTOR CORP reports a 0% stake in American Superconductor Corporation
02/14/2011 SC 13G/A AMERICAN SUPERCONDUCTOR CORP reports a 5.6% stake in American Superconductor Corporation
02/11/2011 SC 13G/A AMERICAN SUPERCONDUCTOR CORP reports a 14.6% stake in American Superconductor Corporation
01/10/2011 SC 13G/A AMERICAN SUPERCONDUCTOR CORP reports a 13.5% stake in AMERICAN SUPERCONDUCTOR CORP
03/08/2010 SC 13G/A AMERICAN SUPERCONDUCTOR CORP reports a
01/29/2010 SC 13G/A AMERICAN SUPERCONDUCTOR CORP reports a
01/08/2010 SC 13G/A AMERICAN SUPERCONDUCTOR CORP reports a 17.1% stake in AMERICAN SUPERCONDUCTOR CORP
05/19/2009 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/17/2009 SC 13G/A Form SC 13G/A -- Statement of acquisition of beneficial ownership by individuals [amend]
02/17/2009 SC 13G/A DOUGLAS KEVIN reports a
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