AMSC shares out (basic) history

Quarterly. Dates are reporting period ends; fiscal years can differ from calendar years.

American Superconductor Corp Shares Out (Basic) — Quarterly
Period ending	Shares Out (Basic)
Jun 30, 2026	45,995,000
Mar 31, 2026	45,723,000
Dec 31, 2025	43,957,000
Sep 30, 2025	43,242,357
Jun 30, 2025	38,875,000
Mar 31, 2025	37,672,000
Dec 31, 2024	37,661,000
Sep 30, 2024	36,952,000
Jun 30, 2024	35,676,000
Mar 31, 2024	33,139,000
Dec 31, 2023	29,092,000
Sep 30, 2023	28,828,000
Jun 30, 2023	28,258,000
Mar 31, 2023	27,425,040
Dec 31, 2022	27,954,000
Sep 30, 2022	27,867,000
Jun 30, 2022	27,218,750
Mar 31, 2022	27,377,000
Dec 31, 2021	27,025,000
Sep 30, 2021	27,252,000
Jun 30, 2021	26,826,000
Mar 31, 2021	26,483,000
Dec 31, 2020	25,470,000
Sep 30, 2020	21,835,294
Jun 30, 2020	21,356,250
Mar 31, 2020	21,577,380
Dec 31, 2019	21,185,000
Sep 30, 2019	20,656,000
Jun 30, 2019	20,514,000
Mar 31, 2019	20,440,000
Dec 31, 2018	20,419,000
Sep 30, 2018	20,313,000
Jun 30, 2018	20,167,000
Mar 31, 2018	19,994,862
Dec 31, 2017	19,949,000
Sep 30, 2017	19,060,000
Jun 30, 2017	16,760,439
Mar 31, 2017	16,778,000
Dec 31, 2016	13,792,000
Sep 30, 2016	13,769,000
Jun 30, 2016	13,625,000
Mar 31, 2016	13,556,000
Dec 31, 2015	13,440,909
Sep 30, 2015	13,505,263
Jun 30, 2015	12,111,000
Mar 31, 2015	12,111,000
Dec 31, 2014	8,764,003
Sep 30, 2014	8,147,000
Jun 30, 2014	7,768,390
Mar 31, 2014	7,768,800
Dec 31, 2013	6,012,142
Sep 30, 2013	6,092,916
Jun 30, 2013	5,830,000
Mar 31, 2013	5,568,387
Dec 31, 2012	5,279,200
Sep 30, 2012	5,144,838
Jun 30, 2012	5,119,100
Mar 31, 2012	5,100,100
Dec 31, 2011	5,093,300
Sep 30, 2011	5,087,600
Jun 30, 2011	5,070,900
Mar 31, 2011	5,036,100
Dec 31, 2010	4,841,800
Sep 30, 2010	4,548,200
Jun 30, 2010	4,524,200
Mar 31, 2010	4,524,200
Dec 31, 2009	4,462,300
Sep 30, 2009	4,424,700
Jun 30, 2009	4,378,900
Mar 31, 2009	4,378,900
Dec 31, 2008	4,302,400
Sep 30, 2008	4,274,500
Jun 30, 2008	4,168,600
Mar 31, 2008	4,115,600
Dec 31, 2007	4,088,200
Sep 30, 2007	3,920,800
Jun 30, 2007	3,526,800
Mar 31, 2007	3,437,400
Dec 31, 2006	3,296,600
Sep 30, 2006	3,289,800
Jun 30, 2006	3,280,500
Mar 31, 2006	3,265,290
Dec 31, 2005	3,259,287
Sep 30, 2005	3,276,538
Jun 30, 2005	3,273,078
Mar 31, 2005	3,273,078
Dec 31, 2004	2,786,786
Sep 30, 2004	2,776,028
Jun 30, 2004	2,772,447
Mar 31, 2004	2,746,484
Dec 31, 2003	2,657,467
Sep 30, 2003	2,138,188
Jun 30, 2003	2,134,372
Mar 31, 2003	2,121,481
Dec 31, 2002	2,100,019
Sep 30, 2002	2,057,138
Jun 30, 2002	2,053,517
Mar 31, 2002	2,047,406
Dec 31, 2001	2,045,465
Sep 30, 2001	2,037,583