4

Changes in Ownership

AMERICAN SUPERCONDUCTOR CORP /DE/ Filed 2011-01-20 Acc 0001209191-11-004336

10% owner bought 300,000 shares at an average $28.46 ($8,538,700)

From the SEC's structured data for this filing

Documents 1

4 Changes in Ownership , xslF345X03/c11294_4x0.xml

Around this filing

2011-03-15 4 Options or other derivatives
2011-01-20 4 10% owner bought 300,000 shares at an average $28.46 ($8,538,700)
2011-01-20 4/A 10% owner bought 80,000 shares at $28.87 ($2,309,600)
2010-12-21 4 10% owner bought 200,000 shares at $28.87 ($5,774,000)

Link to a passage

External

SEC EDGAR (opens in new tab)

Trades in this filing

Insider	Date	Transaction	Shares	Price	Value	Owned after	D/I
DOUGLAS KEVIN 10% owner	2011-01-18	Purchase	+32,000	$28.81	$921,920	1,426,664	D
DOUGLAS KEVIN 10% owner	2011-01-18	Purchase	+26,400	$28.81	$760,584	1,939,330	I
DOUGLAS KEVIN 10% owner	2011-01-18	Purchase	+13,600	$28.81	$391,816	1,061,832	I
DOUGLAS KEVIN 10% owner	2011-01-18	Purchase	+8,000	$28.81	$230,480	640,010	I
DOUGLAS KEVIN 10% owner	2011-01-19	Purchase	+68,000	$28.37	$1,929,160	1,494,664	D
DOUGLAS KEVIN 10% owner	2011-01-19	Purchase	+56,100	$28.37	$1,591,557	1,995,430	I
DOUGLAS KEVIN 10% owner	2011-01-19	Purchase	+28,900	$28.37	$819,893	1,090,732	I
DOUGLAS KEVIN 10% owner	2011-01-19	Purchase	+17,000	$28.37	$482,290	657,010	I
DOUGLAS KEVIN 10% owner	2011-01-20	Purchase	+20,000	$28.22	$564,400	1,514,664	D
DOUGLAS KEVIN 10% owner	2011-01-20	Purchase	+16,500	$28.22	$465,630	2,011,930	I
DOUGLAS KEVIN 10% owner	2011-01-20	Purchase	+8,500	$28.22	$239,870	1,099,232	I
DOUGLAS KEVIN 10% owner	2011-01-20	Purchase	+5,000	$28.22	$141,100	662,010	I
Open-market purchases · 300,000 sh · avg $28.46 · $8,538,700