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AMERICAN SUPERCONDUCTOR CORP /DE/ — Investor Relations & Filings

Ticker · AMSC ISIN · US0301112076 LEI · 549300S9YT8Z8LOK4452 US Manufacturing
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Filings indexed 1,014 across all filing types
Latest filing 2019-06-05 Annual Report
Country US United States of America
Listing US AMSC

About AMERICAN SUPERCONDUCTOR CORP /DE/

https://www.amsc.com/

American Superconductor Corporation (AMSC) is an energy technology company that provides megawatt-scale power resiliency solutions. The company's offerings are organized into two primary segments: Gridtec and Windtec. The Gridtec segment delivers advanced grid systems that enhance the performance, reliability, and capacity of power networks. Key products include D-VAR® dynamic reactive compensation and PQ-IVR® voltage restoration systems, which manage voltage, improve power quality, and facilitate the integration of renewable energy. The Windtec segment provides electronic controls, systems, and engineering services for the wind energy market, including proprietary wind turbine designs, power electronics, and control software. AMSC also designs and manufactures high-temperature superconductor (HTS) wires and related power systems.

Recent filings

Filing Released Lang Actions
FORM 10-K
Annual Report FY 2019
2019-06-05 English
FORM 8-K
Regulatory Filings Classification · 95% confidence The document is a Form 8-K filed with the SEC, which is a current report used to announce major events that shareholders should know about. The text includes announcements of financial results (Item 2.02), but it specifically states that the full financial results are in an attached press release (Exhibit 99.1), and the 8-K itself does not contain detailed financial statements or substantive financial data. It also includes management compensation changes and executive incentive plan details (Item 5.02). The document is not a full annual or quarterly report, nor is it a transcript or presentation. It is a regulatory filing reporting current events and updates. Therefore, the appropriate classification is Regulatory Filings (RNS). The document length (7393 characters) and content confirm it is not merely a brief announcement but a detailed current report, yet it does not contain full financial statements or detailed analysis to qualify as an Annual Report or Interim Report.
2019-06-05 English
FORM SD
Regulatory Filings Classification · 100% confidence The document is a Form SD filed with the SEC, specifically a Specialized Disclosure Report related to conflict minerals for the reporting period January 1 to December 31, 2018. It references the Conflict Minerals Report as an exhibit and provides a link to it. The document is short (2449 characters) and primarily serves as a disclosure filing rather than a full financial or management report. Form SD filings are regulatory compliance documents focused on specific disclosure requirements under SEC rules, not annual or quarterly financial reports or other categories like earnings releases or management reports. Therefore, this fits best under Regulatory Filings (RNS), which is the fallback category for miscellaneous regulatory compliance documents that do not fit other specific categories.
2019-05-30 English
Regulatory Filings 2019
Regulatory Filings
2019-05-30 English
FORM 4 SUBMISSION
Director's Dealing
2019-05-29 English
FORM 3 SUBMISSION
Director's Dealing
2019-05-29 English

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