4/A
Changes in Ownership
AMERICAN SUPERCONDUCTOR CORP /DE/ Filed Acc 0001209191-11-004333
10% owner bought 80,000 shares at $28.87 ($2,309,600)
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| DOUGLAS KEVIN 10% owner | 2010-12-17 | Purchase | +80,000 | $28.87 | $2,309,600 | 2,709,328 | D |
| Open-market purchases · 80,000 sh · avg $28.87 · $2,309,600 | |||||||
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