Skip to main content
AMERICAN SUPERCONDUCTOR CORP /DE/ logo

AMERICAN SUPERCONDUCTOR CORP /DE/ — Investor Relations & Filings

Ticker · AMSC ISIN · US0301112076 LEI · 549300S9YT8Z8LOK4452 US Manufacturing
Open in API
Filings indexed 1,013 across all filing types
Latest filing 2013-04-01 Earnings Release
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 8-K
Earnings Release 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 specifically mentions Item 2.02 "Results of Operations and Financial Condition" and includes a press release updating guidance for the fiscal quarter ended March 31, 2013. The document does not contain full financial statements or detailed financial analysis but rather an update and guidance revision. The press release is furnished as an exhibit and is not "filed" for purposes of Section 18, indicating it is an announcement rather than a full earnings report. This type of filing is typically classified as an Earnings Release (ER) because it provides initial quarterly financial results highlights and guidance updates. The document length (13,794 characters) supports that it is more than a brief announcement but still consistent with an earnings release rather than a full interim or annual report. Therefore, the best classification is ER (Earnings Release).
2013-04-01 English
Regulatory Filings 2013
Regulatory Filings
2013-03-14 English
FORM 8-K
Board/Management Information Classification · 95% confidence The document is a Form 8-K filed with the SEC, which is used for current reports on significant events. The content focuses on the departure of an executive officer, Timothy D. Poor, detailing his termination, severance agreement, and related compensatory arrangements. This matches the description of announcements related to changes in the company's board of directors or senior management. There is no financial statement or comprehensive report data, so it is not an Annual Report or Interim Report. The document fits the category of Board/Management Information (MANG). The document length is 5811 characters, sufficient for detailed disclosure but not a full financial report. Therefore, the classification is MANG with high confidence.
2013-02-20 English
SC 13D/A
Major Shareholding Notification
2013-02-14 English
FORM 8-K
Capital/Financing Update 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 specifically describes the entry into a material definitive agreement, namely a Supply Contract valued at approximately $32 million. There are no financial statements or detailed financial results presented, only a description of the contract and reference to the full contract as an exhibit. The document is 3330 characters long, which is relatively short and consistent with an announcement rather than a full report. The content fits the category of Capital/Financing Update (CAP) because it relates to a significant contract agreement impacting the company's business and potentially its capital or revenue streams. It is not an Annual Report, Earnings Release, or any other detailed financial report. Therefore, the best classification is CAP with high confidence.
2013-02-14 English
MAIN DOCUMENT DESCRIPTION
Director's Dealing
2013-02-13 English

Browse filings by year

20 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.