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AMERICAN SUPERCONDUCTOR CORP /DE/ — 10-K Filings

29 10-K filings on record

This page lists all 10-K filings submitted to the SEC by AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC), sorted by most recent first. Each row links to the full filing on EdgarLookup. AMERICAN SUPERCONDUCTOR CORP /DE/ has filed 29 10-K documents with the SEC since 2007. To view all SEC filings by AMERICAN SUPERCONDUCTOR CORP /DE/, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 10-Q/A 144 3 3/A 4 4/A 424B1 424B2 424B3 424B4 424B5 424B7 5 8-A12G 8-A12G/A 8-K 8-K/A ARS CORRESP CT ORDER D DEF 14A DEFA14A DEFR14A EFFECT FWP NT 10-K NT 10-Q POS AM POSASR PRE 14A S-1 S-3 S-3/A S-3ASR S-3MEF S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
10-K FORM 10-K 0001437749-25-017986 May 21, 2025 Mar 31, 2025
10-K FORM 10-K 0001437749-24-018602 May 29, 2024 Mar 31, 2024
10-K FORM 10-K 0001437749-23-016265 May 31, 2023 Mar 31, 2023
10-K FORM 10-K 0001437749-22-014035 Jun 1, 2022 Mar 31, 2022
10-K FORM 10-K 0001437749-21-013956 Jun 2, 2021 Mar 31, 2021
10-K FORM 10-K 0001437749-20-012276 Jun 2, 2020 Mar 31, 2020
10-K FORM 10-K 0001437749-19-011477 Jun 5, 2019 Mar 31, 2019
10-K 10-K 0001628280-18-007644 Jun 6, 2018 Mar 31, 2018
10-K 10-K 0001628280-17-005885 May 25, 2017 Mar 31, 2017
10-K 10-K 0001564590-16-020115 May 31, 2016 Mar 31, 2016
10-K 10-K 0001564590-15-004664 May 28, 2015 Mar 31, 2015
10-K 10-K 0001564590-14-002420 Jun 5, 2014 Mar 31, 2014
10-K FORM 10-K 0001193125-13-258762 Jun 14, 2013 Mar 31, 2013
10-K FORM 10-K 0001193125-12-261967 Jun 6, 2012 Mar 31, 2012
10-K FORM 10-K 0000950123-11-086249 Sep 23, 2011 Mar 31, 2011
10-K AMERICAN SUPERCONDUCTOR CORPORATION 0000950123-10-053769 May 27, 2010 Mar 31, 2010
10-K FORM 10-K 0001193125-09-120423 May 28, 2009 Mar 31, 2009
10-K FORM 10-K 0001193125-08-124825 May 29, 2008 Mar 31, 2008
10-K FORM 10-K 0001193125-07-135819 Jun 14, 2007 Mar 31, 2007
10-K FORM 10-K 0001193125-06-129798 Jun 14, 2006 Mar 31, 2006
10-K FORM 10-K 0001193125-05-125214 Jun 14, 2005 Mar 31, 2005
10-K FORM 10-K 0001193125-04-102434 Jun 14, 2004 Mar 31, 2004
10-K FORM 10-K 0001193125-03-015234 Jun 30, 2003 Mar 31, 2003
10-K FORM 10-K 0000927016-02-003387 Jun 25, 2002 Mar 31, 2002
10-K FORM 10-K 0000927016-01-501691 Jun 27, 2001 Mar 31, 2001
10-K FORM 10-K 0000927016-00-002314 Jun 27, 2000 Mar 31, 2000
10-K FORM 10-K 0000927016-99-002457 Jun 25, 1999 Mar 31, 1999
10-K AMERICAN SUPERCONDUCTOR CORPORATION 0000950135-98-004033 Jun 26, 1998 Mar 31, 1998
10-K AMERICAN SUPERCONDUCTOR CORPORATION 0000950135-97-002883 Jun 30, 1997 Mar 31, 1997