{"transactions":[{"id":813885,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53510,"kind":"person","name":"Donnelly Terence Robert","position":1,"cik":"0002069768","reported_name":"Donnelly Terence Robert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-07T21:45:37.000Z","date":"2026-04-03","kind":"grant","planned":false,"acquired":true,"shares":2665,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"This award of immediately vested shares of American Superconductor Corporation (the \"Company\") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan, as Amended."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 2,665 shares directly."}],"balance_after":2665,"source":{"system":"sec-edgar","filing":"0001193125-26-145815","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526145815/ownership.xml","form_type":"4"}},{"id":1131172,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53510,"kind":"person","name":"Donnelly Terence Robert","position":1,"cik":"0002069768","reported_name":"Donnelly Terence Robert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (Right to Buy)","published_at":"2025-05-29T21:13:06.000Z","date":"2025-05-27","kind":"grant","planned":false,"acquired":true,"shares":2112,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"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."}],"balance_after":2112,"derivative":{"exercise_price":27.38,"expiration_date":"2035-05-27","underlying":"Common Stock","underlying_shares":2112},"source":{"system":"sec-edgar","filing":"0000950170-25-079138","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025079138/ownership.xml","form_type":"4"}}]}