4

Changes in Ownership

AMERICAN SUPERCONDUCTOR CORP /DE/ Filed 2010-11-05 Acc 0001209191-10-053443

10% owner bought 300,000 shares at an average $36.34 ($10,902,869)

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	2010-11-03	Purchase	+72,920	$35.57	$2,593,764	2,462,248	D
DOUGLAS KEVIN 10% owner	2010-11-03	Purchase	+60,159	$35.57	$2,139,856	1,709,089	I
DOUGLAS KEVIN 10% owner	2010-11-03	Purchase	+30,991	$35.57	$1,102,350	943,223	I
DOUGLAS KEVIN 10% owner	2010-11-03	Purchase	+18,230	$35.57	$648,441	570,240	I
DOUGLAS KEVIN 10% owner	2010-11-04	Purchase	+47,080	$37.54	$1,767,383	2,509,328	D
DOUGLAS KEVIN 10% owner	2010-11-04	Purchase	+38,841	$37.54	$1,458,091	1,747,930	I
DOUGLAS KEVIN 10% owner	2010-11-04	Purchase	+20,009	$37.54	$751,138	963,232	I
DOUGLAS KEVIN 10% owner	2010-11-04	Purchase	+11,770	$37.54	$441,846	582,010	I
Open-market purchases · 300,000 sh · avg $36.34 · $10,902,869