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AMSC · American Superconductor Corp /De/

$29.49 +2.85 (+10.70%)
Market Cap
$1.27B
Shares
47.69M

The company's filings as submitted to the SEC's EDGAR system — 10-K, 10-Q, 8-K, proxy statements and more — listed most recent first.

Type Filing Date Period Open
Showing 1–50 of 87 filings
Key facts CIK 880807 CUSIP 030111207 13F (30d) 61 filings 59 filers Visit website Investor relations