AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)

Typically moves ±10.40% on earnings

EARNINGS ANALYTICS

event_note Approx. Next Earnings: ~2026-08-14 APPROXIMATE

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) has reported earnings 87 times since Nov 04, 2004. The stock moves an average of ±10.40% the day after reporting, closing higher 50.6% of the time. Its largest post-earnings gain was +35.9% (Jan 24, 2024) and its largest decline was -41.84% (Apr 05, 2011). The next earnings report is predicted for 2026-08-14 (approximate).

Earnings reactions

How AMSC moved on each past earnings report.

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Earnings Impact

Total Earnings

Avg Abs. Movement

±10.40%

Positive %

50.6%

Negative %

49.4%

Historical Earnings Statistics

Date	Timing	Earnings move	SEC Filing
May 27, 2026	☽ POST	-2.5%	open_in_new
Feb 04, 2026	☽ POST	-6.01%	open_in_new
Nov 05, 2025	☽ POST	-38.49%	open_in_new
Jul 30, 2025	☽ POST	+29.38%	open_in_new
May 21, 2025	☽ POST	+4.13%	open_in_new
Feb 05, 2025	☽ POST	+34.17%	open_in_new
Oct 30, 2024	☽ POST	+4.43%	open_in_new
Aug 06, 2024	☽ POST	-9.13%	open_in_new
May 29, 2024	☽ POST	+10.45%	open_in_new
Jan 24, 2024	☽ POST	+35.9%	open_in_new
Nov 01, 2023	☽ POST	+13.44%	open_in_new
Aug 09, 2023	☽ POST	+13.35%	open_in_new
May 31, 2023	☽ POST	+13.43%	open_in_new
Feb 01, 2023	☽ POST	-4.8%	open_in_new
Nov 01, 2022	☽ POST	-23.42%	open_in_new
Aug 03, 2022	☽ POST	-12.68%	open_in_new
Jun 01, 2022	☽ POST	+19.7%	open_in_new
Feb 02, 2022	☽ POST	-3.67%	open_in_new
Nov 08, 2021	☽ POST	-5.69%	open_in_new
Aug 04, 2021	☽ POST	-3.46%	open_in_new
Jun 02, 2021	☽ POST	-15.5%	open_in_new
Feb 03, 2021	☽ POST	-14.95%	open_in_new
Nov 04, 2020	☽ POST	+0.34%	open_in_new
Aug 05, 2020	☽ POST	+8.67%	open_in_new
Jun 02, 2020	☽ POST	-8.6%	open_in_new
Feb 05, 2020	☽ POST	+6.4%	open_in_new
Nov 05, 2019	☽ POST	-3.71%	open_in_new
Aug 06, 2019	☽ POST	+13.61%	open_in_new
Jun 05, 2019	☽ POST	-17.56%	open_in_new
Feb 05, 2019	☽ POST	+11.31%	open_in_new
Nov 06, 2018	☽ POST	+24.01%	open_in_new
Jul 31, 2018	☽ POST	+11.97%	open_in_new
Jun 06, 2018	☽ POST	-7.43%	open_in_new
Feb 05, 2018	☽ POST	-10.24%	open_in_new
Nov 07, 2017	☽ POST	-10.95%	open_in_new
Aug 08, 2017	☽ POST	+11.11%	open_in_new
May 25, 2017	☀ PRE	+4.13%	open_in_new
Feb 06, 2017	☀ PRE	+2.98%	open_in_new
Nov 02, 2016	☀ PRE	+7.95%	open_in_new
Aug 09, 2016	☀ PRE	-22.69%	open_in_new
May 31, 2016	☀ PRE	-6.51%	open_in_new
Feb 09, 2016	☀ PRE	-1.36%	open_in_new
Nov 03, 2015	☀ PRE	-9.56%	open_in_new
Aug 05, 2015	☀ PRE	-11.31%	open_in_new
May 28, 2015	☀ PRE	-4.01%	open_in_new
Feb 05, 2015	☀ PRE	-2.7%	open_in_new
Nov 06, 2014	☀ PRE	+3.03%	open_in_new
Aug 05, 2014	☀ PRE	-13.5%	open_in_new
Jun 05, 2014	☀ PRE	+1.47%	open_in_new
Feb 06, 2014	☀ PRE	+3.5%	open_in_new
Nov 07, 2013	☀ PRE	-7.58%	open_in_new
Aug 07, 2013	☀ PRE	-4.31%	open_in_new
Jun 14, 2013	☀ PRE	-11.32%	open_in_new
Feb 11, 2013	☽ POST	+0.64%	open_in_new
Nov 06, 2012	☀ PRE	+3.54%	open_in_new
Aug 02, 2012	☀ PRE	+21.47%	open_in_new
Jun 06, 2012	☀ PRE	+0.5%	open_in_new
Feb 09, 2012	☀ PRE	-7.63%	open_in_new
Nov 09, 2011	☀ PRE	+11.3%	open_in_new
Sep 23, 2011	☀ PRE	+13.65%	open_in_new
Apr 05, 2011	☽ POST	-41.84%	open_in_new
Feb 01, 2011	☀ PRE	+9.5%	open_in_new
Nov 02, 2010	☀ PRE	+12.49%	open_in_new
Jul 29, 2010	☀ PRE	-6.63%	open_in_new
May 13, 2010	☀ PRE	+5.23%	open_in_new
Feb 02, 2010	☀ PRE	-10.21%	open_in_new
Oct 29, 2009	☀ PRE	+22.54%	open_in_new
Jul 30, 2009	☀ PRE	+22.26%	open_in_new
May 14, 2009	☀ PRE	-5.03%	open_in_new
Feb 03, 2009	☀ PRE	+3.63%	open_in_new
Nov 04, 2008	☀ PRE	+16.54%	open_in_new
Aug 05, 2008	☀ PRE	-14.25%	open_in_new
May 08, 2008	☀ PRE	+32.83%	open_in_new
Jan 31, 2008	☀ PRE	+4.06%	open_in_new
Nov 01, 2007	☀ PRE	-7.29%	open_in_new
Aug 09, 2007	☀ PRE	+5.23%	open_in_new
May 24, 2007	☀ PRE	-2.21%	open_in_new
Feb 01, 2007	☀ PRE	-1.09%	open_in_new
Nov 02, 2006	☽ POST	+0%	open_in_new
Aug 08, 2006	☀ PRE	+0.45%	open_in_new
May 11, 2006	☀ PRE	-6.49%	open_in_new
Feb 02, 2006	☀ PRE	+3.39%	open_in_new
Nov 09, 2005	☀ PRE	-7.53%	open_in_new
Aug 04, 2005	☀ PRE	-5.38%	open_in_new
May 12, 2005	☀ PRE	-5.26%	open_in_new
Feb 03, 2005	☀ PRE	+11.54%	open_in_new
Nov 04, 2004	☽ POST	-0.65%	open_in_new

event

Earnings Count

Total earnings in dataset

trending_up

Avg Abs. Movement

±10.40%

Avg % price change on earnings

description

SEC Filings

View

Browse all SEC filings

SEC Filing Types

Recent SEC Filings

10 most recent

Form	Date Filed	View on EDGAR
ARS	20260618	open_in_new SEC.gov
DEF 14A	20260618	open_in_new SEC.gov
DEFA14A	20260618	open_in_new SEC.gov
4	20260612	open_in_new SEC.gov
144	20260611	open_in_new SEC.gov
144	20260611	open_in_new SEC.gov
4	20260611	open_in_new SEC.gov
4	20260611	open_in_new SEC.gov
144	20260610	open_in_new SEC.gov
4	20260610	open_in_new SEC.gov

Frequently asked about AMSC earnings

When does AMERICAN SUPERCONDUCTOR CORP /DE/ report earnings next? expand_more

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)'s next earnings date is approximate for 2026-08-14. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does AMSC stock move after earnings? expand_more

Over 87 reports, AMSC has moved an average of ±10.40% the session after earnings, closing higher 50.6% of the time.

What was AMSC's biggest post-earnings move? expand_more

AMSC's largest post-earnings gain on record was +35.9% on Jan 24, 2024, and its largest decline was -41.84% on Apr 05, 2011.

Where can I find AMERICAN SUPERCONDUCTOR CORP /DE/'s SEC filings? expand_more

All of AMERICAN SUPERCONDUCTOR CORP /DE/'s SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.