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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 2019-02-13 Major Shareholding Noti…
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
AMERICAN SUPERCONDUCTOR 13G/A
Major Shareholding Notification
2019-02-13 English
Regulatory Filings 2019
Regulatory Filings
2019-02-13 English
AMENDMENT TO FORM SC 13G
Major Shareholding Notification
2019-02-08 English
REPORT OF ACQUISITION OF BENEFICIAL OWNERSHIP
Major Shareholding Notification
2019-02-08 English
10-Q
Interim / Quarterly Report Q3 2019
2019-02-05 English
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 or updates that shareholders should know about between periodic reports. The text includes an announcement of financial results for the third quarter ended December 31, 2018, but it is not the full quarterly report itself; rather, it references a press release attached as an exhibit. It also includes a contract announcement with the U.S. Navy. The document is not a full financial report like a 10-K or an Interim Report (10-Q or IR), nor is it a transcript, proxy, or governance document. The 8-K is a regulatory filing used to disclose material events and updates. Therefore, the appropriate classification is Regulatory Filings (RNS). The document length (6638 characters) and content confirm it is a full 8-K filing, not just a brief announcement, so it is not an RPA. Confidence is high given the clear identification as a Form 8-K and the nature of the content.
2019-02-05 English

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