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Insider Trading

Arthur H. House - Insider Trading & Ownership

Location: C/O American Superconductor Corporation, 64 Jackson Road, Devens, MA
Summary: The estimated net worth of Arthur H. House is at least $1.11M dollars as of August 8, 2025. Arthur H. House is the Director of AMERICAN SUPERCONDUCTOR CORP /DE/ and owns shares of AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) stock worth about $1.11M.
Signature: /s/ John R. Samia, Attorney-in-Fact
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Ownership of Arthur H. House

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
AMSC	AMERICAN SUPERCONDUCTOR CORP /DE/	Director	$1.11M			Aug 6, 2025

Insider Transactions Reported by Arthur H. House:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

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