X0407 4 2023-06-21 0 0000880807 AMERICAN SUPERCONDUCTOR CORP /DE/ AMSC 0001425153 McGahn Daniel P C/O AMERICAN SUPERCONDUCTOR CORPORATION 114 EAST MAIN ST AYER MA 01432 1 1 0 0 Chairman, President and CEO 1 Common Stock 2023-06-21 4 S 0 73802 6.1428 D 1114582 D Common Stock 2023-06-22 4 S 0 36902 5.9508 D 1077680 D Common Stock 10992 I By 401(k) plan Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on March 17, 2023. The sales were executed in multiple trades at prices ranging from $6.07-$6.25. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected. The sales were executed in multiple trades at prices ranging from $5.735-$6.07. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected. Following all the transactions reported on this Form 4, the reporting person holds 1,077,680 shares directly. Following all the transactions reported on this Form 4, the reporting person holds 10,992 shares indirectly through the company's 401(k) plan as of June 23, 2023. /s/ Daniel P. McGahn 2023-06-23