AMERICAN SUPERCONDUCTOR CORP /DE/ — Director's Dealing 2011

May 16, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)
CIK: 0000880807
Period of Report: 2011-05-12

Reporting Person: McGahn Daniel P (President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-12	Common Stock	S	900	$11.56	Disposed	70990	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1186	Indirect

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan. The primary purpose of such sales was to pay personal income taxes that were due upon the vesting of restricted stock on May 12, 2011.

F2: Following all the transactions reported on this Form 4, the reporting person holds 70,990 shares directly.

F3: Following all the transactions reported on this Form 4, the reporting person holds 1,186 shares indirectly through the company's 401(k) plan as of April 30, 2011.