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AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)
Ticker: AMSC
CIK: 0000880807
36
Filings Found (Last 1 Year)
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8-K/A
12/5/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
8-K/A
FORM 8-K/A
Open Filing
10-Q
12/31/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Quarterly report
FORM 10-Q
Open Filing
8-K
2/4/2026
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Current report
FORM 8-K
Open Filing
8-K
12/23/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Current report
8-K
Open Filing
8-K
12/5/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Current report
8-K
Open Filing
4
6/18/2019
OLIVER DAVID R JR (CIK 0001376216)
Insider trading report
4
Open Filing
10-Q
9/30/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Quarterly report
FORM 10-Q
Open Filing
8-K
11/5/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Current report
FORM 8-K
Open Filing
4
8/6/2025
House Arthur H (CIK 0001685155)
Insider trading report
4
Open Filing
4
8/4/2025
Kosiba John W JR (CIK 0001703463)
Insider trading report
4
Open Filing
4
8/4/2025
McGahn Daniel P (CIK 0001425153)
Insider trading report
4
Open Filing
4
8/4/2022
Klein Margaret D. (CIK 0001933357)
Insider trading report
4
Open Filing
10-Q
6/30/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Quarterly report
FORM 10-Q
Open Filing
8-K
7/30/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Current report
FORM 8-K
Open Filing
8-K
7/25/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Current report
FORM 8-K
Open Filing
4
6/11/2025
Kosiba John W JR (CIK 0001703463)
Insider trading report
4
Open Filing
4
6/11/2025
McGahn Daniel P (CIK 0001425153)
Insider trading report
4
Open Filing
8-K
6/10/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Current report
FORM 8-K
Open Filing
424B5
6/11/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Prospectus
424B5
Open Filing
424B5
6/10/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Prospectus
424B5
Open Filing
4
6/6/2025
McGahn Daniel P (CIK 0001425153)
Insider trading report
4
Open Filing
4
6/6/2025
Kosiba John W JR (CIK 0001703463)
Insider trading report
4
Open Filing
4
5/27/2025
Kosiba John W JR (CIK 0001703463)
Insider trading report
4
Open Filing
4
5/27/2025
McGahn Daniel P (CIK 0001425153)
Insider trading report
4
Open Filing
4
5/27/2025
Donnelly Terence Robert (CIK 0002069768)
Insider trading report
4
Open Filing
4
5/20/2025
Kosiba John W JR (CIK 0001703463)
Insider trading report
4
Open Filing
4
5/20/2025
McGahn Daniel P (CIK 0001425153)
Insider trading report
4
Open Filing
10-K
3/31/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Annual report
FORM 10-K
Open Filing
8-K
5/15/2025
AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) (CIK 0000880807)
Current report
FORM 8-K
Open Filing
4
5/15/2025
McGahn Daniel P (CIK 0001425153)
Insider trading report
4
Open Filing
4
5/15/2025
Kosiba John W JR (CIK 0001703463)
Insider trading report
4
Open Filing
4
4/3/2025
Dambier Laura A. (CIK 0001933334)
Insider trading report
4
Open Filing
4
4/3/2025
House Arthur H (CIK 0001685155)
Insider trading report
4
Open Filing
4
4/3/2025
Littlefield Barbara G. (CIK 0001777725)
Insider trading report
4
Open Filing
4
4/3/2025
OLIVER DAVID R JR (CIK 0001376216)
Insider trading report
4
Open Filing
4
4/3/2025
Klein Margaret D. (CIK 0001933357)
Insider trading report
4
Open Filing
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