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: 2011-05-15

Reporting Person: DiCecco Susan J (VP, Corporate Administration)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-15	Common Stock	F	1838	$11.36	Disposed	22507	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	971	Indirect

Footnotes

F1: Represents shares tendered to satisfy the reporting person's tax withholding obligation upon the vesting on May 15, 2011 of restricted stock awarded on May 15, 2008; not an open market transaction.

F2: Following all the transactions reported on this Form 4, the reporting person holds 22,507 shares directly.

F3: Following all the transactions reported on this Form 4, the reporting person holds 971 shares indirectly through the company's 401(k) plan as of April 30, 2011.