{"transactions":[{"id":813881,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53506,"kind":"person","name":"Klein Margaret D.","position":1,"cik":"0001933357","reported_name":"Klein Margaret D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-07T21:38:08.000Z","date":"2026-04-03","kind":"grant","planned":false,"acquired":true,"shares":3116,"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 19,492 shares directly."}],"balance_after":19492,"source":{"system":"sec-edgar","filing":"0001193125-26-145799","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526145799/ownership.xml","form_type":"4"}},{"id":1073473,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53506,"kind":"person","name":"Klein Margaret D.","position":1,"cik":"0001933357","reported_name":"Klein Margaret D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-06T20:36:40.000Z","date":"2022-08-04","kind":"purchase","planned":false,"acquired":true,"shares":500,"price":5.565,"value":2782.5,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Following all the transactions reported on this Form 4, the reporting person holds 16,376 shares directly."}],"balance_after":16376,"source":{"system":"sec-edgar","filing":"0000950170-25-104155","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025104155/ownership.xml","form_type":"4"}},{"id":1178139,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53506,"kind":"person","name":"Klein Margaret D.","position":1,"cik":"0001933357","reported_name":"Klein Margaret D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-04T20:32:52.000Z","date":"2025-04-03","kind":"grant","planned":false,"acquired":true,"shares":2639,"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 15,876 shares directly."}],"balance_after":15876,"source":{"system":"sec-edgar","filing":"0000950170-25-051186","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025051186/ownership.xml","form_type":"4"}},{"id":1548159,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53506,"kind":"person","name":"Klein Margaret D.","position":1,"cik":"0001933357","reported_name":"Klein Margaret D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-04-04T21:23:06.000Z","date":"2024-04-03","kind":"grant","planned":false,"acquired":true,"shares":3840,"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 13,237 shares directly."}],"balance_after":13237,"source":{"system":"sec-edgar","filing":"0000950170-24-041903","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024041903/ownership.xml","form_type":"4"}},{"id":1923274,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53506,"kind":"person","name":"Klein Margaret D.","position":1,"cik":"0001933357","reported_name":"Klein Margaret D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-04-07T20:16:25.000Z","date":"2023-04-05","kind":"grant","planned":false,"acquired":true,"shares":9397,"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 9,397 shares directly."}],"balance_after":9397,"source":{"system":"sec-edgar","filing":"0001209191-23-023776","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123023776/doc4.xml","form_type":"4"}},{"id":2233321,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53506,"kind":"person","name":"Klein Margaret D.","position":1,"cik":"0001933357","reported_name":"Klein Margaret D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (Right to Buy)","published_at":"2022-06-14T19:15:50.000Z","date":"2022-06-10","kind":"grant","acquired":true,"shares":10282,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The grant of options was made in accordance with American Superconductor Corporation's Amended and Restated 2007 Director Stock Plan.  These options vest in equal annual installments over a 2-year period, and will be fully vested on June 10, 2024."}],"balance_after":10282,"derivative":{"exercise_price":5.92,"expiration_date":"2032-06-10","underlying":"Common Stock","underlying_shares":10282},"source":{"system":"sec-edgar","filing":"0001209191-22-036620","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919122036620/doc4.xml","form_type":"4"}}]}