American Superconductor Corp /De/ reports

Location
Sixty Four Jackson Road, Devens, MA
State of incorporation
DE
Fiscal year end
March 31
Data updated at
10/30/2024, 04:16 PM
Form type Sec Links Description Filing date Reporting date
10-Q Report | Data FORM 10-Q Oct 30, 2024 Sep 30, 2024
8-K Report | Data FORM 8-K Oct 30, 2024 Oct 30, 2024
SC 13G Report Oct 22, 2024
8-K Report | Data 8-K Aug 13, 2024 Aug 12, 2024
SC 13G/A Report AMSC 13G/A Aug 9, 2024
8-K/A Report | Data FORM 8-K/A Aug 6, 2024 Aug 1, 2024
10-Q Report | Data FORM 10-Q Aug 6, 2024 Jun 30, 2024
8-K Report | Data FORM 8-K Aug 6, 2024 Aug 6, 2024
8-K Report | Data 8-K Aug 5, 2024 Aug 2, 2024
8-K Report | Data 8-K Aug 5, 2024 Aug 1, 2024
10-K Report | Data FORM 10-K May 29, 2024 Mar 31, 2024
8-K Report | Data FORM 8-K May 29, 2024 May 23, 2024
SC 13G/A Report AMSC 13G/A Feb 14, 2024
8-K Report | Data 8-K Jan 31, 2024 Jan 30, 2024
SC 13G/A Report Jan 30, 2024
SC 13G/A Report Jan 30, 2024
10-Q Report | Data FORM 10-Q Jan 24, 2024 Dec 31, 2023
8-K Report | Data FORM 8-K Jan 24, 2024 Jan 24, 2024
10-Q Report | Data FORM 10-Q Nov 1, 2023 Sep 30, 2023
8-K Report | Data FORM 8-K Nov 1, 2023 Nov 1, 2023
8-K Report | Data FORM 8-K Aug 11, 2023 Aug 11, 2023
10-Q Report | Data FORM 10-Q Aug 9, 2023 Jun 30, 2023
8-K Report | Data FORM 8-K Aug 9, 2023 Aug 9, 2023
SC 13G/A Report Jul 5, 2023
8-K Report | Data 8-K Jun 21, 2023 Jun 15, 2023
10-K Report | Data FORM 10-K May 31, 2023 Mar 31, 2023
8-K Report | Data FORM 8-K May 31, 2023 May 31, 2023
SC 13G Report AMSC 13G Feb 14, 2023
SC 13G/A Report SEC SCHEDULE 13G Feb 8, 2023
10-Q Report | Data FORM 10-Q Feb 1, 2023 Dec 31, 2022
8-K Report | Data FORM 8-K Feb 1, 2023 Feb 1, 2023
SC 13G Report Jan 31, 2023
SC 13G/A Report Jan 19, 2023
10-Q Report | Data FORM 10-Q Nov 1, 2022 Sep 30, 2022
8-K Report | Data FORM 8-K Nov 1, 2022 Nov 1, 2022
8-K Report | Data 8-K Aug 5, 2022 Aug 2, 2022
10-Q Report | Data FORM 10-Q Aug 3, 2022 Jun 30, 2022
8-K Report | Data FORM 8-K Aug 3, 2022 Aug 3, 2022
SC 13G Report Jul 8, 2022
8-K Report | Data FORM 8-K Jun 10, 2022 Jun 7, 2022
10-K Report | Data FORM 10-K Jun 1, 2022 Mar 31, 2022
8-K Report | Data FORM 8-K Jun 1, 2022 Jun 1, 2022
SC 13G Report SC 13G Feb 14, 2022
SC 13G/A Report SEC SCHEDULE 13G Feb 9, 2022
10-Q Report | Data FORM 10-Q Feb 2, 2022 Dec 31, 2021
8-K Report | Data FORM 8-K Feb 2, 2022 Feb 2, 2022
SC 13G/A Report Feb 1, 2022
SC 13G Report Jan 18, 2022
10-Q Report | Data FORM 10-Q Nov 8, 2021 Sep 30, 2021
8-K Report | Data FORM 8-K Nov 8, 2021 Nov 8, 2021
10-Q Report | Data FORM 10-Q Aug 4, 2021 Jun 30, 2021
8-K Report | Data FORM 8-K Aug 4, 2021 Aug 4, 2021
8-K Report 8-K Aug 2, 2021 Jul 30, 2021
10-K Report | Data FORM 10-K Jun 2, 2021 Mar 31, 2021
8-K Report FORM 8-K Jun 2, 2021 Jun 2, 2021
8-K Report FORM 8-K May 25, 2021 May 20, 2021
8-K Report FORM 8-K May 21, 2021 May 21, 2021
8-K Report 8-K May 10, 2021 May 6, 2021
8-K Report 8-K Feb 26, 2021 Feb 26, 2021
SC 13G Report SEC SCHEDULE 13G Feb 16, 2021
SC 13G/A Report Feb 10, 2021
10-Q Report | Data FORM 10-Q Feb 3, 2021 Dec 31, 2020
8-K Report FORM 8-K Feb 3, 2021 Feb 3, 2021
8-K Report FORM 8-K Feb 1, 2021 Jan 28, 2021
SC 13G/A Report Jan 29, 2021
SC 13G/A Report AMERICAN SUPERCONDUCTOR 13G/A Jan 8, 2021
8-K/A Report FORM 8-K/A Dec 14, 2020 Oct 1, 2020
10-Q Report | Data FORM 10-Q Nov 4, 2020 Sep 30, 2020
8-K Report FORM 8-K Nov 4, 2020 Nov 4, 2020
8-K Report 8-K Oct 26, 2020 Oct 22, 2020
8-K Report FORM 8-K Oct 5, 2020 Oct 5, 2020
8-K Report FORM 8-K Oct 5, 2020 Oct 1, 2020
8-K Report FORM 8-K Oct 2, 2020 Oct 1, 2020
8-K Report FORM 8-K Sep 16, 2020 Sep 11, 2020
10-Q Report | Data FORM 10-Q Aug 5, 2020 Jun 30, 2020
8-K Report FORM 8-K Aug 5, 2020 Jul 31, 2020
SC 13G/A Report SC 13G/A Jun 19, 2020
10-K Report | Data FORM 10-K Jun 2, 2020 Mar 31, 2020
8-K Report FORM 8-K Jun 2, 2020 Jun 2, 2020
8-K Report FORM 8-K May 27, 2020 May 21, 2020
SC 13G/A Report SC 13G/A Feb 13, 2020
SC 13G/A Report AMERICAN SUPERCONDUCTOR 13G/A Feb 12, 2020
SC 13G Report Feb 12, 2020
SC 13G Report Feb 7, 2020
10-Q Report | Data FORM 10-Q Feb 5, 2020 Dec 31, 2019
8-K Report FORM 8-K Feb 5, 2020 Feb 5, 2020
SC 13G/A Report Feb 4, 2020
SC 13G Report SC 13G Jan 27, 2020
10-Q Report | Data FORM 10-Q Nov 5, 2019 Sep 30, 2019
8-K Report FORM 8-K Nov 5, 2019 Nov 5, 2019
8-K Report 8-K Aug 6, 2019 Aug 1, 2019
10-Q Report | Data FORM 10-Q Aug 6, 2019 Jun 30, 2019
8-K Report FORM 8-K Aug 6, 2019 Aug 6, 2019
SC 13G Report Jun 24, 2019
10-K Report | Data FORM 10-K Jun 5, 2019 Mar 31, 2019
8-K Report FORM 8-K Jun 5, 2019 Jun 1, 2019
8-K Report FORM 8-K May 24, 2019 May 21, 2019
SC 13G Report SC 13G Feb 14, 2019
SC 13G/A Report SCHEDULE 13G/A (AMENDMENT NO. 1) Feb 13, 2019
SC 13G/A Report AMERICAN SUPERCONDUCTOR 13G/A Feb 13, 2019
SC 13G/A Report AMENDMENT TO FORM SC 13G Feb 8, 2019
SC 13G Report REPORT OF ACQUISITION OF BENEFICIAL OWNERSHIP Feb 8, 2019
10-Q Report | Data 10-Q Feb 5, 2019 Dec 31, 2018
8-K Report 8-K Feb 5, 2019 Feb 5, 2019
10-Q Report | Data 10-Q Nov 6, 2018 Sep 30, 2018
8-K Report 8-K Nov 6, 2018 Nov 6, 2018
8-K Report 8-K Oct 31, 2018 Oct 31, 2018
SC 13G Report ACQUISITION OF BENEFICIAL OWNERSHIP Oct 5, 2018
8-K Report 8-K Aug 1, 2018 Jul 27, 2018
10-Q Report | Data 10-Q Jul 31, 2018 Jun 30, 2018
8-K Report 8-K Jul 31, 2018 Jul 31, 2018
8-K Report FORM 8-K Jul 9, 2018 Jul 3, 2018
8-K Report 8-K Jul 3, 2018 Jun 28, 2018
8-K Report 8-K Jun 14, 2018 Jun 14, 2018
10-K/A Report 10-K/A Jun 7, 2018 Jun 7, 2018
10-K Report | Data 10-K Jun 6, 2018 Mar 31, 2018
8-K Report 8-K Jun 6, 2018 Jun 6, 2018
8-K Report 8-K Apr 10, 2018 Apr 10, 2018
8-K Report 8-K Apr 3, 2018 Mar 28, 2018
SC 13G Report SC 13G Mar 8, 2018
SC 13G Report AMERICAN SUPERCONDUCTOR 13G Feb 13, 2018
10-Q Report | Data 10-Q Feb 5, 2018 Dec 31, 2017
8-K Report 8-K Feb 5, 2018 Feb 5, 2018
8-K Report 8-K Feb 1, 2018 Feb 1, 2018
SC 13G/A Report SC 13G/A Jan 26, 2018
10-Q Report | Data 10-Q Nov 7, 2017 Sep 30, 2017
8-K Report 8-K Nov 7, 2017 Nov 7, 2017
8-K Report 8-K Sep 26, 2017 Sep 25, 2017
SC 13G/A Report AMERICAN SUPERCONDUCTOR Sep 8, 2017
10-Q Report | Data 10-Q Aug 8, 2017 Jun 30, 2017
8-K Report 8-K Aug 8, 2017 Aug 8, 2017
8-K Report 8-K Aug 1, 2017 Jul 27, 2017
8-K Report FORM 8-K Jul 3, 2017 Jun 28, 2017
8-K Report 8-K May 26, 2017 May 24, 2017
8-K/A Report 8-K/A May 25, 2017 May 25, 2017
10-K Report | Data 10-K May 25, 2017 Mar 31, 2017
8-K Report 8-K May 25, 2017 May 25, 2017
8-K Report FORM 8-K May 10, 2017 May 5, 2017
8-K Report 8-K May 9, 2017 May 7, 2017
SC 13G Report SCHEDULE 13G May 8, 2017
8-K Report 8-K May 4, 2017 May 4, 2017
8-K Report FORM 8-K Apr 26, 2017 Apr 26, 2017
8-K Report 8-K Apr 4, 2017 Apr 3, 2017
SC 13G/A Report AMERICAN SUPERCONDUCTOR 13G/A Feb 10, 2017
10-Q Report | Data 10-Q Feb 6, 2017 Dec 31, 2016
8-K Report 8-K Feb 6, 2017 Feb 6, 2017
8-K Report FORM 8-K Jan 27, 2017 Jan 27, 2017
10-Q Report | Data 10-Q Nov 2, 2016 Sep 30, 2016
8-K Report 8-K Nov 2, 2016 Nov 2, 2016
8-K Report FORM 8-K Sep 16, 2016 Sep 15, 2016
8-K Report 8-K Aug 23, 2016 Aug 17, 2016
10-Q Report | Data 10-Q Aug 9, 2016 Jun 30, 2016
8-K Report 8-K Aug 9, 2016 Aug 9, 2016
8-K Report 8-K Aug 2, 2016 Jul 29, 2016
10-K Report | Data 10-K May 31, 2016 Mar 31, 2016
8-K Report | Data 8-K May 31, 2016 May 31, 2016
8-K Report 8-K May 18, 2016 May 12, 2016
8-K Report 8-K Mar 8, 2016 Mar 4, 2016
SC 13G Report SC 13G Feb 12, 2016
SC 13G Report AMERICAN SUPERCONDUCTOR 13G Feb 11, 2016
10-Q Report | Data 10-Q Feb 9, 2016 Dec 31, 2015
8-K Report 8-K Feb 9, 2016 Feb 9, 2016
8-K Report FORM 8-K Dec 17, 2015 Dec 16, 2015
10-Q Report | Data 10-Q Nov 3, 2015 Sep 30, 2015
8-K Report FORM 8-K Nov 3, 2015 Nov 3, 2015
8-K Report FORM 8-K Aug 31, 2015 Aug 26, 2015
10-Q Report | Data 10-Q Aug 5, 2015 Jun 30, 2015
8-K Report FORM 8-K Aug 5, 2015 Aug 5, 2015
8-K Report FORM 8-K Jul 31, 2015 Jul 31, 2015
8-K Report FORM 8-K Jun 26, 2015 Jun 23, 2015
8-K Report FORM 8-K Jun 9, 2015 Jun 3, 2015
10-K Report | Data 10-K May 28, 2015 Mar 31, 2015
8-K Report FORM 8-K May 28, 2015 May 28, 2015
SC 13D/A Report SC 13D AMENDMENT NO. 4 May 5, 2015
8-K Report 8-K Apr 28, 2015 Apr 24, 2015
8-K Report FORM 8-K Apr 23, 2015 Apr 23, 2015
8-K Report 8-K Apr 23, 2015 Apr 23, 2015
8-K Report 8-K Apr 10, 2015 Apr 9, 2015
8-K Report FORM 8-K Mar 24, 2015 Mar 24, 2015
8-K Report FORM 8-K Mar 18, 2015 Mar 18, 2015
SC 13G/A Report SC 13G/A Feb 13, 2015
10-Q Report | Data 10-Q Feb 5, 2015 Dec 31, 2014
8-K Report 8-K Feb 5, 2015 Feb 5, 2015
8-K Report 8-K Jan 29, 2015 Jan 29, 2015
8-K Report FORM 8-K Jan 21, 2015 Jan 14, 2015
8-K Report 8-K Jan 6, 2015 Dec 31, 2014
8-K Report 8-K Dec 22, 2014 Dec 19, 2014
8-K Report FORM 8-K Nov 13, 2014 Nov 7, 2014
8-K Report FORM 8-K Nov 7, 2014 Nov 7, 2014
10-Q Report | Data 10-Q Nov 6, 2014 Sep 30, 2014
8-K Report FORM 8-K Nov 6, 2014 Nov 6, 2014
8-K Report FORM 8-K Oct 1, 2014 Oct 1, 2014
8-K Report FORM 8-K Sep 4, 2014 Aug 29, 2014
8-K Report 8-K Aug 21, 2014 Aug 15, 2014
8-K Report FORM 8-K Aug 6, 2014 Jul 31, 2014
10-Q Report | Data 10-Q Aug 5, 2014 Jun 30, 2014
8-K Report 8-K Aug 5, 2014 Aug 5, 2014
8-K Report FORM 8-K Jul 16, 2014 Jul 16, 2014
SC 13G/A Report Jul 10, 2014
8-K Report FORM 8-K Jun 23, 2014 Jun 18, 2014
10-K Report | Data 10-K Jun 5, 2014 Mar 31, 2014
8-K Report FORM 8-K Jun 5, 2014 Jun 5, 2014
8-K Report FORM 8-K Jun 5, 2014 Jun 2, 2014
8-K Report FORM 8-K Mar 19, 2014 Mar 14, 2014
8-K Report 8-K Mar 3, 2014 Mar 2, 2014
8-K Report 8-K Feb 28, 2014 Feb 28, 2014
SC 13G/A Report SC 13G/A Feb 13, 2014
10-Q Report | Data 10-Q Feb 6, 2014 Dec 31, 2013
8-K Report FORM 8-K Feb 6, 2014 Feb 4, 2014
SC 13G Report Jan 28, 2014
SC 13G/A Report Dec 10, 2013
8-K Report FORM 8-K Nov 20, 2013 Nov 19, 2013
8-K Report FORM 8-K Nov 18, 2013 Nov 15, 2013
10-Q Report | Data 10-Q Nov 12, 2013 Sep 30, 2013
8-K Report FORM 8-K Nov 7, 2013 Nov 7, 2013
8-K Report FORM 8-K Oct 9, 2013 Oct 9, 2013
8-K Report FORM 8-K Sep 25, 2013 Sep 20, 2013
8-K Report FORM 8-K Aug 21, 2013 Aug 15, 2013
10-Q Report | Data 10-Q Aug 7, 2013 Jun 30, 2013
8-K Report FORM 8-K Aug 7, 2013 Aug 7, 2013
8-K Report FORM 8-K Aug 2, 2013 Jul 31, 2013
10-K Report | Data FORM 10-K Jun 14, 2013 Mar 31, 2013
8-K Report FORM 8-K Jun 14, 2013 Jun 14, 2013
8-K Report FORM 8-K Apr 1, 2013 Apr 1, 2013
8-K Report FORM 8-K Feb 20, 2013 Feb 14, 2013
SC 13D/A Report SC 13D/A Feb 14, 2013
8-K Report FORM 8-K Feb 14, 2013 Feb 8, 2013
SC 13G/A Report SC 13G/A Feb 13, 2013
10-Q Report | Data FORM 10-Q Feb 11, 2013 Dec 31, 2012
8-K Report FORM 8-K Feb 11, 2013 Feb 11, 2013
SC 13G/A Report Feb 8, 2013
8-K Report FORM 8-K Jan 8, 2013 Jan 2, 2013
SC 13G Report SC 13G Dec 31, 2012
8-K Report FORM 8-K Dec 21, 2012 Dec 20, 2012
8-K Report FORM 8-K Nov 28, 2012 Nov 27, 2012
10-Q Report | Data FORM 10-Q Nov 6, 2012 Sep 30, 2012
8-K Report FORM 8-K Nov 6, 2012 Nov 6, 2012
10-Q Report | Data FORM 10-Q Aug 3, 2012 Jun 30, 2012
8-K Report FORM 8-K Aug 2, 2012 Aug 2, 2012
8-K Report FORM 8-K Jul 27, 2012 Jul 26, 2012
10-K/A Report AMENDMENT NO.2 TO FORM 10-K Jun 26, 2012 Mar 31, 2012
10-K/A Report FORM 10-K/A Jun 8, 2012 Mar 31, 2012
10-K Report | Data FORM 10-K Jun 6, 2012 Mar 31, 2012
8-K Report FORM 8-K Jun 6, 2012 Jun 5, 2012
8-K Report FORM 8-K May 9, 2012 May 9, 2012
8-K Report FORM 8-K Apr 20, 2012 Apr 20, 2012
8-K Report | Data FORM 8-K Apr 13, 2012 Apr 13, 2012
8-K Report FORM 8-K Apr 4, 2012 Apr 4, 2012
SC 13G/A Report Feb 13, 2012
10-Q Report | Data FORM 10-Q Feb 9, 2012 Dec 31, 2011
8-K Report FORM 8-K Feb 9, 2012 Feb 9, 2012
8-K/A Report FORM 8-K AMENDMENT Feb 6, 2012 Dec 8, 2011
SC 13D/A Report AMENDMENT NO. 2 TO SCHEDULE 13D Feb 1, 2012
8-K Report FORM 8-K Dec 8, 2011 Dec 8, 2011
8-K Report FORM 8-K Nov 29, 2011 Nov 29, 2011
10-Q Report | Data FORM 10-Q Nov 9, 2011 Sep 30, 2011
8-K Report FORM 8-K Nov 9, 2011 Nov 9, 2011
8-K Report FORM 8-K Oct 31, 2011 Oct 28, 2011
8-K Report FORM 8-K Oct 7, 2011 Oct 7, 2011
SC 13D/A Report SCHEDULE 13D/A Oct 7, 2011
8-K Report FORM 8-K Oct 3, 2011 Oct 3, 2011
8-K Report FORM 8-K Sep 23, 2011 Sep 23, 2011
10-Q Report | Data FORM 10-Q Sep 23, 2011 Jun 30, 2011
10-K Report | Data FORM 10-K Sep 23, 2011 Mar 31, 2011
10-Q/A Report | Data FORM 10-Q/A Sep 23, 2011 Dec 31, 2010
10-Q/A Report | Data FORM 10-Q/A Sep 23, 2011 Sep 30, 2010
8-K Report FORM 8-K Sep 15, 2011 Sep 14, 2011
8-K Report FORM 8-K Sep 6, 2011 Sep 6, 2011
8-K Report FORM 8-K Aug 18, 2011 Aug 16, 2011
8-K Report FORM 8-K Aug 11, 2011 Aug 8, 2011
8-K Report FORM 8-K Aug 11, 2011 Aug 11, 2011
SC 13G/A Report Aug 8, 2011
8-K Report FORM 8-K Jul 11, 2011 Jul 6, 2011
8-K Report FORM 8-K Jun 30, 2011 Jun 29, 2011
8-K Report FORM 8-K Jun 21, 2011 Jun 17, 2011
8-K Report FORM 8-K Jun 13, 2011 Jun 7, 2011
SC 13G/A Report DOC ONE Jun 10, 2011
8-K Report FORM 8-K May 24, 2011 May 23, 2011
SC 13D Report Apr 11, 2011
8-K Report LIVE FILING Apr 5, 2011 Apr 5, 2011
8-K Report FORM 8-K Mar 15, 2011 Mar 10, 2011
8-K Report FORM 8-K Mar 14, 2011 Mar 12, 2011
SC 13G/A Report DOC ONE Feb 14, 2011
SC 13G/A Report Feb 11, 2011
10-Q Report | Data FORM 10-Q Feb 3, 2011 Dec 31, 2010
8-K Report LIVE FILING Feb 1, 2011 Feb 1, 2011
SC 13G/A Report Jan 10, 2011
8-K Report FORM 8-K Nov 12, 2010 Nov 10, 2010
8-K Report FORM 8-K Nov 8, 2010 Nov 8, 2010
10-Q Report | Data FORM 10-Q Nov 4, 2010 Sep 30, 2010
8-K Report LIVE FILING Nov 2, 2010 Nov 2, 2010
8-K/A Report FORM 8-K/A Sep 15, 2010 May 12, 2010
8-K Report 8-K Aug 6, 2010 Aug 6, 2010
10-Q Report | Data AMERICAN SUPERCONDUCTOR CORPORATION Aug 5, 2010 Jun 30, 2010
8-K Report LIVE FILING Jul 29, 2010 Jul 29, 2010
10-K Report AMERICAN SUPERCONDUCTOR CORPORATION May 27, 2010 Mar 31, 2010
8-K Report FORM 8-K May 17, 2010 May 12, 2010
8-K Report LIVE FILING May 14, 2010 May 12, 2010
8-K Report LIVE FILING May 13, 2010 May 13, 2010
SC 13G/A Report SCHEDULE 13G/A Mar 8, 2010
SC 13G Report DOC ONE Feb 16, 2010
8-K Report LIVE FILING Feb 8, 2010 Feb 4, 2010
10-Q Report AMERICAN SUPERCONDUCTOR CORPORATION Feb 3, 2010 Dec 31, 2009
8-K Report LIVE FILING Feb 2, 2010 Feb 2, 2010
SC 13G/A Report SCHEDULE 13G/A Jan 29, 2010
SC 13G/A Report Jan 8, 2010
10-Q Report FORM 10-Q Nov 5, 2009 Sep 30, 2009
10-Q Report FORM 10-Q Aug 6, 2009 Jun 30, 2009
10-K Report FORM 10-K May 28, 2009 Mar 31, 2009
10-Q Report FORM 10-Q Feb 5, 2009 Dec 31, 2008
10-Q Report FORM 10-Q Nov 7, 2008 Sep 30, 2008
10-Q Report FORM 10-Q Aug 7, 2008 Jun 30, 2008
10-K Report FORM 10-K May 29, 2008 Mar 31, 2008
10-Q Report FORM 10-Q Feb 7, 2008 Dec 31, 2007
10-Q Report FORM 10-Q Nov 9, 2007 Sep 30, 2007
10-Q Report FORM 10-Q Aug 9, 2007 Jun 30, 2007
10-K Report FORM 10-K Jun 14, 2007 Mar 31, 2007
10-Q Report FORM 10-Q Feb 9, 2007 Dec 31, 2006
10-Q Report FORM 10-Q Nov 9, 2006 Sep 30, 2006
10-Q Report FORM 10-Q Aug 9, 2006 Jun 30, 2006
10-K Report FORM 10-K Jun 14, 2006 Mar 31, 2006
10-Q Report FORM 10-Q Feb 8, 2006 Dec 31, 2005
10-Q Report FORM 10-Q Nov 9, 2005 Sep 30, 2005
10-Q Report FORM 10-Q Aug 8, 2005 Jun 30, 2005