House Arthur H Stock Transaction

Arthur H. House, a director at AMERICAN SUPERCONDUCTOR CORP /DE/, acquired 3,116 shares of common stock on April 3, 2026, through a stock award. The shares vested immediately. This transaction was made under the Company's Amended and Restated 2007 Director Stock Plan. Following this acquisition, Mr. House directly owns 51,779 shares of the company's common stock. The transaction code "A" indicates an acquisition, and the price per share was $0.00, consistent with a stock award. The reporting owner is identified by CIK 0001685155.