AMERICAN SUPERCONDUCTOR CORP /DE/

AMSC - CIK 0000880807

Market cap$1.91 B

Rank#2139

SEC filings1,298

AMERICAN SUPERCONDUCTOR CORP /DE/ has filed 1,298 documents with the SEC between 1996 and 2026. The most frequent type is insider trade (505 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.

Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.