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AMSC
- As of 09/26/24, 10:41:06 AM: 84 Insider Transactions.
Sector:
Technology
Industry:
Diversified Electronics
Prev Close:
$9.12
Avg Vol(3m):
144,949
P/E:
0.00
EPS:
-1.76
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Insider Transactions for AMSC
Buy/Sell*
Filed Date
Subject
Symbol
Acquirer
Pct Owned
Details
S
2020-06-19 16:05:56.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
1.57%
view
S
2020-02-13 06:03:24.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
SATTERFIELD THOMAS A JR
3.1%
view
S
2020-02-12 13:13:54.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
AWM Investment Company
5.1%
view
B
2020-02-12 10:49:05.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
RENAISSANCE TECHNOLOGIES LLC
5.67%
view
B
2020-02-07 08:45:54.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
6.5%
view
S
2020-02-04 16:57:40.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
INTEGRATED CORE STRATEGIES
0.0%
view
S
2020-01-27 16:15:32.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
9.4%
view
B
2019-06-24 16:29:54.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
INTEGRATED CORE STRATEGIES
5.1%
view
B
2019-02-13 16:40:03.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
SATTERFIELD THOMAS A JR
5.3%
view
B
2019-02-13 13:42:40.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
AWM Investment Company
6.5%
view
S
2019-02-08 16:33:54.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
HIRSCHMAN ORIN
4.9%
view
B
2019-02-08 11:52:50.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
HIRSCHMAN ORIN
9.9%
view
B
2018-10-05 14:21:28.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
HIRSCHMAN ORIN
5.45%
view
B
2018-03-08 06:02:44.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
SATTERFIELD THOMAS A JR
5.0%
view
B
2018-02-13 16:03:10.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
AWM Investment Company
5.5%
view
S
2018-01-26 09:53:39.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
ARDSLEY ADVISORY PARTNERS
1.5%
view
S
2017-09-08 16:14:30.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
AWM Investment Company
3.3%
view
B
2017-05-08 15:57:27.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
ARDSLEY ADVISORY PARTNERS
7.4%
view
B
2017-02-10 10:39:17.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
AWM Investment Company
8.8%
view
B
2016-02-12 10:26:05.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
Footprints Asset Management & Research
5.7%
view
S
2015-05-05 16:30:36.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
15.0%
view
S
2015-02-13 07:51:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
CAPITAL VENTURES INTERNATIONAL
3.1%
view
S
2014-07-10 15:58:55.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
2.1%
view
S
2014-02-13 10:20:29.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
CAPITAL VENTURES INTERNATIONAL
5.5%
view
B
2014-01-28 10:57:27.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
5.5%
view
S
2013-12-10 16:06:24.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
4.95%
view
S
2013-02-14 16:17:19.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
24.0%
view
B
2013-02-13 12:13:09.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
CAPITAL VENTURES INTERNATIONAL
9.9%
view
S
2013-02-08 16:18:21.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
5.49%
view
B
2012-12-31 09:31:51.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
CAPITAL VENTURES INTERNATIONAL
9.9%
view
S
2012-02-13 14:47:18.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
5.88%
view
B
2011-10-06 17:44:11.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
25.0%
view
S
2011-08-08 11:34:07.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
6.56%
view
S
2011-06-10 09:37:31.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
FMR LLC
0.0%
view
B
2011-04-11 16:58:34.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
22.8%
view
B
2011-02-11 14:56:14.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
14.6%
view
S
2011-01-10 12:46:13.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
13.49%
view
B
2010-03-08 16:42:37.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
12.0%
view
B
2010-02-16 12:45:40.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
FMR LLC
6.838%
view
B
2010-01-29 06:01:12.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
9.82%
view
B
2010-01-08 12:03:16.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
17.1%
view
B
2009-05-19 15:36:35.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
9.0%
view
S
2009-02-17 06:08:53.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
6.34%
view
S
2009-02-10 08:15:13.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
12.36%
view
S
2008-11-10 09:52:20.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
FMR LLC
n/a
view
S
2008-02-14 16:18:55.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
FMR LLC
n/a
view
S
2008-02-13 12:47:27.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
Invesco Ltd
5.21%
view
B
2008-02-08 14:37:16.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
15.09%
view
S
2008-02-07 15:45:29.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
7.9%
view
S
2007-11-13 09:16:58.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
FMR LLC
n/a
view
B
2007-02-14 14:23:31.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
8.1%
view
B
2007-02-14 14:20:05.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
AMVESCAP PLC
6.31%
view
S
2007-02-13 14:57:35.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
13.75%
view
B
2006-10-10 14:05:51.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
BlackRock Inc
13.81%
view
B
2006-08-04 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DOUGLAS KEVIN
5.6%
view
B
2006-02-07 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
MERRILL LYNCH ASSET MANAGEMENT INC
10.46%
view
B
2005-11-08 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
MERRILL LYNCH ASSET MANAGEMENT INC
10.01%
view
B
2005-02-11 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
IRONBRIDGE CAPITAL MANAGEMENT LLC
6.88%
view
S
2005-02-04 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
MASSACHUSETTS FINANCIAL SERVICES CO
7.21%
view
S
2004-02-25 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
EDF CAPITAL INVESTISSEMENT SA
3.95%
view
S
2004-02-11 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
MASSACHUSETTS FINANCIAL SERVICES CO
9.87%
view
S
2004-02-06 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DIMENSIONAL FUND ADVISORS INC
3.92%
view
B
2003-11-10 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
MASSACHUSETTS FINANCIAL SERVICES CO
10.3%
view
S
2003-05-06 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
STATE OF WISCONSIN INVESTMENT BOARD
0.0%
view
S
2003-04-09 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
STATE OF WISCONSIN INVESTMENT BOARD
0.46%
view
B
2003-02-11 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
DIMENSIONAL FUND ADVISORS INC
6.32%
view
S
2003-02-11 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
CAPITAL GROUP INTERNATIONAL INC
0.1%
view
B
2003-02-11 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
STATE OF WISCONSIN INVESTMENT BOARD
6.98%
view
B
2002-02-11 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
STATE OF WISCONSIN INVESTMENT BOARD
5.64%
view
B
2002-02-11 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
CAPITAL GROUP INTERNATIONAL INC
7.2%
view
S
2001-02-12 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
CAPITAL GROUP INTERNATIONAL INC
5.3%
view
S
2001-02-09 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
STATE OF WISCONSIN INVESTMENT BOARD
0.25%
view
B
2000-02-15 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
FRONTIER CAPITAL MANAGEMENT CO INC
5.0%
view
B
2000-02-11 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
CAPITAL GROUP INTERNATIONAL INC
5.9%
view
S
2000-01-25 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
STATE OF WISCONSIN INVESTMENT BOARD
5.24%
view
B
1999-10-08 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
EDF CAPITAL INVESTISSEMENT SA
7.65%
view
S
1999-10-07 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
CHARTH SA
0.0%
view
B
1999-02-02 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
STATE OF WISCONSIN INVESTMENT BOARD
6.47%
view
S
1998-07-01 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
SOROS FUND MANAGEMENT LLC
4.86%
view
S
1998-03-06 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
SOROS FUND MANAGEMENT LLC
6.34%
view
S
1998-02-09 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
FMR CORP
n/a
view
B
1997-10-17 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
CHARTH SA
8.6%
view
B
1997-02-10 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
FMR CORP
n/a
view
B
1997-01-08 00:00:00.0
AMERICAN SUPERCONDUCTOR CORP
AMSC
SOROS FUND MANAGEMENT LLC
7.76%
view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.