AMERICAN SUPERCONDUCTOR CORP /DE/

Q: Jun 30 2026

FY: Mar 31 2026

Q: Dec 31 2025

Q: Sep 30 2025

Q: Jun 30 2025

FY: Mar 31 2025

Q: Dec 31 2024

Q: Sep 30 2024

Q: Jun 30 2024

FY: Mar 31 2024

Q: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

FY: Mar 31 2023

Q: Dec 31 2022

Q: Sep 30 2022

Q: Jun 30 2022

FY: Mar 31 2022

Q: Dec 31 2021

Q: Sep 30 2021

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Financial Statements and Exhibits

Results of Operations and Financial Condition

Other Events

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Submission of Matters to a Vote of Security Holders

Other Events

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Results of Operations and Financial Condition

8.01,9.01

2.02,9.01

9.01

1.01,2.01,8.01,9.01

5.02,5.07,9.01

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Automatic Shelf Registration

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Notice of Effectiveness

Post-effective amendment to a registration statement

Automatic Shelf Registration

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Littlefield Barbara G.

VANGUARD CAPITAL MANAGEMENT LLC

Dambier Laura A.

Kosiba John W JR

McGahn Daniel P

McGahn Daniel P

Kosiba John W JR

McGahn Daniel P

Dambier Laura A.

Kosiba John W JR

Kosiba John W JR

McGahn Daniel P

McGahn Daniel P

Kosiba John W JR

McGahn Daniel P

Kosiba John W JR

McGahn Daniel P

Kosiba John W JR

VANGUARD CAPITAL MANAGEMENT LLC

Dambier Laura A.

Annual Report Scanned (Paper)

Specialized Disclosure Report

No description available

Annual Report Scanned (Paper)

Specialized Disclosure Report

No description available

Annual Report Scanned (Paper)

Specialized Disclosure Report

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Specialized Disclosure Report

Specialized Disclosure Report

Post-effective amendment to an automatic shelf registration statement

Specialized Disclosure Report

No description available

Specialized Disclosure Report

Specialized Disclosure Report