# AMERICAN SUPERCONDUCTOR CORP /DE/ — DEF 14A

AMERICAN SUPERCONDUCTOR CORP /DE/ of DEVENS, MA filed a DEF 14A with the SEC on 1998-06-24. Industry: Motors & Generators.

## Filing

- Filed: 1998-06-24
- Form: DEF 14A
- Accession: 0000950135-98-003969
- Registrant: AMERICAN SUPERCONDUCTOR CORP /DE/
- CIK: 0000880807
- Industry (SIC): Motors & Generators (3621)
- State of incorporation: DE
- Location: DEVENS, MA

## Filing timeline for this registrant (58)

_Showing 12 of 58 filings._

| Filed | Form |
| --- | --- |
| [2026-06-18](https://search.stillhousedata.com/proxy/0001193125-26-275831) | DEFA14A |
| [2026-06-18](https://search.stillhousedata.com/proxy/0001193125-26-275809) | DEF 14A |
| [2025-06-13](https://search.stillhousedata.com/proxy/0001193125-25-140738) | DEFA14A |
| [2025-06-13](https://search.stillhousedata.com/proxy/0001193125-25-140726) | DEF 14A |
| [2024-06-20](https://search.stillhousedata.com/proxy/0001193125-24-164450) | DEFA14A |
| [2024-06-20](https://search.stillhousedata.com/proxy/0001193125-24-164444) | DEF 14A |
| [2024-06-10](https://search.stillhousedata.com/proxy/0001193125-24-158370) | PRE 14A |
| [2023-06-28](https://search.stillhousedata.com/proxy/0001193125-23-177515) | DEFA14A |
| [2023-06-28](https://search.stillhousedata.com/proxy/0001193125-23-177510) | DEF 14A |
| [2022-07-26](https://search.stillhousedata.com/proxy/0001193125-22-201602) | DEFA14A |
| [2022-06-23](https://search.stillhousedata.com/proxy/0001193125-22-180151) | DEFA14A |
| [2022-06-23](https://search.stillhousedata.com/proxy/0001193125-22-180073) | DEF 14A |

## More

- [CIK 880807 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=880807&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950135-98-003969.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.