4
Changes in Ownership
AMERICAN SUPERCONDUCTOR CORP /DE/ Filed Acc 0001209191-10-049924
10% owner bought 500,000 shares at an average $36.12 ($18,060,002)
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 | 2010-10-07 | Purchase | +41,960 | $35.25 | $1,479,090 | 2,231,288 | D |
| DOUGLAS KEVIN 10% owner | 2010-10-07 | Purchase | +34,617 | $35.25 | $1,220,249 | 1,518,547 | I |
| DOUGLAS KEVIN 10% owner | 2010-10-07 | Purchase | +17,833 | $35.25 | $628,613 | 845,065 | I |
| DOUGLAS KEVIN 10% owner | 2010-10-07 | Purchase | +10,490 | $35.25 | $369,773 | 512,500 | I |
| DOUGLAS KEVIN 10% owner | 2010-10-08 | Purchase | +78,040 | $36.27 | $2,830,511 | 2,309,328 | D |
| DOUGLAS KEVIN 10% owner | 2010-10-08 | Purchase | +64,383 | $36.27 | $2,335,171 | 1,582,930 | I |
| DOUGLAS KEVIN 10% owner | 2010-10-08 | Purchase | +33,167 | $36.27 | $1,202,967 | 878,232 | I |
| DOUGLAS KEVIN 10% owner | 2010-10-08 | Purchase | +19,510 | $36.27 | $707,628 | 532,010 | I |
| DOUGLAS KEVIN 10% owner | 2010-10-11 | Purchase | +80,000 | $36.43 | $2,914,400 | 2,389,328 | D |
| DOUGLAS KEVIN 10% owner | 2010-10-11 | Purchase | +66,000 | $36.43 | $2,404,380 | 1,648,930 | I |
| DOUGLAS KEVIN 10% owner | 2010-10-11 | Purchase | +34,000 | $36.43 | $1,238,620 | 912,232 | I |
| DOUGLAS KEVIN 10% owner | 2010-10-11 | Purchase | +20,000 | $36.43 | $728,600 | 552,010 | I |
| Open-market purchases · 500,000 sh · avg $36.12 · $18,060,002 | |||||||
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