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 1,014 across all filing types
Latest filing 2017-02-06 Interim / Quarterly Rep…
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
10-Q
Interim / Quarterly Report Q3 2017
2017-02-06 English
8-K
Earnings Release Classification · 95% confidence The document is a Form 8-K filed with the SEC, dated February 6, 2017, reporting the company's financial results for the third quarter ended December 31, 2016. It includes a press release as an exhibit announcing these results. The text explicitly states this is a Current Report on Form 8-K and the press release is attached as Exhibit 99.1. The document is relatively short (3328 characters) and primarily serves as an announcement of quarterly financial results rather than containing detailed financial statements or substantive analysis. According to the classification rules, an initial announcement of quarterly/periodical financial results (key highlights only) corresponds to an Earnings Release (ER). Therefore, this document should be classified as an Earnings Release (ER).
2017-02-06 English
424B5
Capital/Financing Update Classification · 100% confidence The document is a prospectus supplement filed pursuant to Rule 424(b)(5) related to a common stock offering under a sales agreement. It includes detailed information about the terms of the offering, the plan of distribution, risk factors, use of proceeds, and legal matters. It references incorporation by reference of prior SEC filings such as Annual Reports on Form 10-K and Quarterly Reports on Form 10-Q but is itself a registration and offering document for capital raising. This type of document is a Capital/Financing Update as it pertains to fundraising activities and securities issuance. It is not an annual report, earnings release, or proxy statement, but a prospectus supplement related to a stock offering.
2017-01-27 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 content includes an entry into a material definitive agreement related to a sales agreement for issuing shares, and a preliminary financial results announcement for a quarter ended December 31, 2016. It also references a press release attached as an exhibit. The document does not contain full financial statements or detailed financial analysis itself, but rather announces these events and includes exhibits. This fits the category of Capital/Financing Update (CAP) because it primarily reports on a financing activity (the sales agreement for issuing shares) and a related financial update. It is not an earnings release (ER) because it only mentions preliminary results and includes a press release as an exhibit, not the full earnings report. It is not a full interim or quarterly report (IR) because it lacks substantive financial data and analysis. Therefore, the best classification is CAP with high confidence.
2017-01-27 English
FORM 4 SUBMISSION
Director's Dealing
2016-12-19 English
FORM 4 SUBMISSION
Director's Dealing
2016-11-29 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.