4
Changes in Ownership
AMERICAN SUPERCONDUCTOR CORP /DE/ Filed Acc 0001209191-10-030742
10% owner bought 200,000 shares at an average $30.08 ($6,016,054)
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 | 2010-05-25 | Purchase | +26,360 | $29.45 | $776,302 | 1,975,688 | D |
| DOUGLAS KEVIN 10% owner | 2010-05-25 | Purchase | +21,747 | $29.45 | $640,449 | 1,307,677 | I |
| DOUGLAS KEVIN 10% owner | 2010-05-25 | Purchase | +11,203 | $29.45 | $329,928 | 736,435 | I |
| DOUGLAS KEVIN 10% owner | 2010-05-25 | Purchase | +6,590 | $29.45 | $194,076 | 448,600 | I |
| DOUGLAS KEVIN 10% owner | 2010-05-26 | Purchase | +53,640 | $30.39 | $1,630,120 | 2,029,328 | D |
| DOUGLAS KEVIN 10% owner | 2010-05-26 | Purchase | +44,253 | $30.39 | $1,344,849 | 1,351,930 | I |
| DOUGLAS KEVIN 10% owner | 2010-05-26 | Purchase | +22,797 | $30.39 | $692,801 | 759,232 | I |
| DOUGLAS KEVIN 10% owner | 2010-05-26 | Purchase | +13,410 | $30.39 | $407,530 | 462,010 | I |
| Open-market purchases · 200,000 sh · avg $30.08 · $6,016,054 | |||||||
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