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AMERICAN SUPERCONDUCTOR CORP (AMSC) Create: Alert

All | News | Filings
Date FiledTypeDescription
06/28/2023 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
06/28/2023 DEF 14A Form DEF 14A - Other definitive proxy statements:
07/26/2022 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
06/23/2022 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
06/23/2022 DEF 14A Form DEF 14A - Other definitive proxy statements:
06/17/2021 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
06/17/2021 DEF 14A Form DEF 14A - Other definitive proxy statements:
06/19/2020 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
06/19/2020 DEF 14A Form DEF 14A - Other definitive proxy statements:
06/20/2019 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
06/20/2019 DEF 14A Form DEF 14A - Other definitive proxy statements:
06/15/2018 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
06/15/2018 DEF 14A Form DEF 14A - Other definitive proxy statements:
06/16/2017 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
06/16/2017 DEF 14A Form DEF 14A - Other definitive proxy statements
06/17/2016 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
06/17/2016 DEF 14A Form DEF 14A - Other definitive proxy statements
06/19/2015 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
06/19/2015 DEF 14A Form DEF 14A - Other definitive proxy statements
02/06/2015 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
02/06/2015 DEF 14A Form DEF 14A - Other definitive proxy statements
06/18/2014 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
06/18/2014 DEF 14A Form DEF 14A - Other definitive proxy statements
06/18/2013 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
06/18/2013 DEF 14A Form DEF 14A - Other definitive proxy statements
06/26/2012 DEF 14A Form DEF 14A - Other definitive proxy statements
11/04/2011 DEF 14A Form DEF 14A - Other definitive proxy statements
06/22/2010 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
06/22/2010 DEF 14A Form DEF 14A - Other definitive proxy statements
06/23/2009 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
06/22/2009 DEF 14A Form DEF 14A - Other definitive proxy statements
06/24/2008 DEFA14A Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material
06/23/2008 DEF 14A Form DEF 14A - Other definitive proxy statements
07/02/2007 DEF 14A Form DEF 14A - Other definitive proxy statements
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