Terence Robert Donnelly - May 27, 2025 Form 4 Insider Report for AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)

Role: Director
Signature: /s/ John R. Samia, Attorney-in-Fact
Stock symbol: AMSC
Transactions as of: May 27, 2025
Transactions value $: $0
Form type: 4
Date filed: 5/29/2025, 05:13 PM
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Donnelly Terence Robert	Director	C/O AMERICAN SUPERCONDUCTOR CORPORATION, 114 EAST MAIN ST, AYER	/s/ John R. Samia, Attorney-in-Fact	2025-05-29	0002069768

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AMSC	Stock Options (Right to Buy)	Award	$0	+2.11K		$0.00	2.11K	May 27, 2025	Common Stock	2.11K	$27.38	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This grant of options was made in accordance with American Superconductor Corporation's Amended and Restated 2007 Director Stock Plan, as Amended. These options vest in equal annual installments over a 2-year period, and will be fully vested on May 27, 2027.