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American Superconductor (AMSC) SEC Filings & 10K Form

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$30.08 -1.83 (-5.73%)
(As of 11/15/2024 ET)

Recent American Superconductor SEC Filings

DateFilerForm TypeView
11/12/2024
12:35 PM
American Superconductor (Subject)
VANGUARD GROUP INC (Filed by)
Form SC 13G/A
11/08/2024
1:17 PM
American Superconductor (Subject)
BlackRock, Inc. (Filed by)
Form SC 13G
11/06/2024
3:38 PM
American Superconductor (Issuer)
Kosiba John W JR (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/05/2024
4:00 PM
American Superconductor (Subject)
Kosiba John W JR (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
11/04/2024
10:00 AM
American Superconductor (Subject)
VANGUARD GROUP INC (Filed by)
Form SC 13G
11/04/2024
9:06 AM
American Superconductor (Subject)
BAILLIE GIFFORD & CO (Filed by)
Form SCHEDULE 13G/A
10/30/2024
3:11 PM
American Superconductor (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/30/2024
3:14 PM
American Superconductor (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
10/22/2024
5:06 PM
American Superconductor (Subject)
BlackRock, Inc. (Filed by)
Form SC 13G
10/01/2024
3:37 PM
American Superconductor (Issuer)
McGahn Daniel P (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/30/2024
4:12 PM
American Superconductor (Issuer)
Kosiba John W JR (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/28/2024
3:31 PM
American Superconductor (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
08/12/2024
7:56 PM
American Superconductor (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/12/2024
4:09 PM
American Superconductor (Filer)
Form S-3ASR
08/12/2024
4:23 PM
American Superconductor (Filer)
Form 424B7
08/09/2024
3:30 PM
American Superconductor (Subject)
AWM Investment Company, Inc. (Filed by)
Form SC 13G/A
08/05/2024
8:00 AM
American Superconductor (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/12/2024
8:08 AM
American Superconductor (Issuer)
Kosiba John W JR (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/12/2024
8:09 AM
American Superconductor (Issuer)
McGahn Daniel P (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/10/2024
3:30 PM
American Superconductor (Filer)
Form PRE 14A
05/29/2024
3:33 PM
American Superconductor (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/29/2024
3:35 PM
American Superconductor (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
05/28/2024
3:14 PM
American Superconductor (Filer)
Form SD
Specialized Disclosure Report  
05/23/2024
3:33 PM
American Superconductor (Issuer)
Kosiba John W JR (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/21/2024
3:16 PM
American Superconductor (Subject)
Kosiba John W JR (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/21/2024
3:18 PM
American Superconductor (Subject)
McGahn Daniel P (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
04/04/2024
4:24 PM
American Superconductor (Issuer)
House Arthur H (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/04/2024
4:26 PM
American Superconductor (Issuer)
Dambier Laura A. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/04/2024
4:19 PM
American Superconductor (Issuer)
OLIVER DAVID R JR (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/04/2024
4:21 PM
American Superconductor (Issuer)
Littlefield Barbara G. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/04/2024
4:23 PM
American Superconductor (Issuer)
Klein Margaret D. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/17/2024
11:15 PM
American Superconductor (Filer)
Form EFFECT
03/08/2024
3:34 PM
American Superconductor (Filer)
Form S-3/A
02/14/2024
1:49 PM
American Superconductor (Subject)
AWM Investment Company, Inc. (Filed by)
Form SC 13G/A
01/31/2024
3:50 PM
American Superconductor (Filer)
Form 424B5
01/30/2024
3:16 PM
American Superconductor (Filer)
Form S-3
Registration statement under Securities Act of 1933  
01/30/2024
3:23 PM
American Superconductor (Filer)
Form 424B5
01/30/2024
12:28 PM
American Superconductor (Subject)
ROYCE & ASSOCIATES LP (Filed by)
Form SC 13G/A
01/30/2024
6:15 AM
American Superconductor (Subject)
BAILLIE GIFFORD & CO (Filed by)
Form SC 13G/A
(Data available from 1/1/2016 forward)


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This page (NASDAQ:AMSC) was last updated on 11/17/2024 by MarketBeat.com Staff
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