4
Changes in Ownership
AMERICAN SUPERCONDUCTOR CORP /DE/ Filed Acc 0001140361-11-018522
10% owner bought 222,000 shares at an average $23.38 ($5,189,700)
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 | 2011-03-22 | Purchase | +40,000 | $23.41 | $936,400 | 1,825,864 | D |
| DOUGLAS KEVIN 10% owner | 2011-03-22 | Purchase | +33,000 | $23.41 | $772,530 | 2,268,670 | I |
| DOUGLAS KEVIN 10% owner | 2011-03-22 | Purchase | +17,000 | $23.41 | $397,970 | 1,231,492 | I |
| DOUGLAS KEVIN 10% owner | 2011-03-22 | Purchase | +10,000 | $23.41 | $234,100 | 739,810 | I |
| DOUGLAS KEVIN 10% owner | 2011-03-23 | Purchase | +48,800 | $23.35 | $1,139,480 | 1,874,664 | D |
| DOUGLAS KEVIN 10% owner | 2011-03-23 | Purchase | +40,260 | $23.35 | $940,071 | 2,308,930 | I |
| DOUGLAS KEVIN 10% owner | 2011-03-23 | Purchase | +20,740 | $23.35 | $484,279 | 1,252,232 | I |
| DOUGLAS KEVIN 10% owner | 2011-03-23 | Purchase | +12,200 | $23.35 | $284,870 | 752,010 | I |
| Open-market purchases · 222,000 sh · avg $23.38 · $5,189,700 | |||||||
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