4
Changes in Ownership
AMERICAN SUPERCONDUCTOR CORP /DE/ Filed Acc 0001140361-11-017949
10% owner bought 378,000 shares at an average $23.42 ($8,851,460)
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 | 2011-03-17 | Purchase | +80,000 | $23.28 | $1,862,400 | 1,714,664 | D |
| DOUGLAS KEVIN 10% owner | 2011-03-17 | Purchase | +66,000 | $23.28 | $1,536,480 | 2,176,930 | I |
| DOUGLAS KEVIN 10% owner | 2011-03-17 | Purchase | +34,000 | $23.28 | $791,520 | 1,184,232 | I |
| DOUGLAS KEVIN 10% owner | 2011-03-17 | Purchase | +20,000 | $23.28 | $465,600 | 712,010 | I |
| DOUGLAS KEVIN 10% owner | 2011-03-21 | Purchase | +71,200 | $23.57 | $1,678,184 | 1,785,864 | D |
| DOUGLAS KEVIN 10% owner | 2010-03-21 | Purchase | +58,740 | $23.57 | $1,384,502 | 2,235,670 | I |
| DOUGLAS KEVIN 10% owner | 2011-03-21 | Purchase | +30,260 | $23.57 | $713,228 | 1,214,492 | I |
| DOUGLAS KEVIN 10% owner | 2011-03-21 | Purchase | +17,800 | $23.57 | $419,546 | 729,810 | I |
| Open-market purchases · 378,000 sh · avg $23.42 · $8,851,460 | |||||||
Loading xslF345X03/doc1.xml…