{"transactions":[{"id":4623592,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53508,"kind":"person","name":"Littlefield Barbara G.","position":1,"cik":"0001777725","reported_name":"Littlefield Barbara G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-09-21T21:22:19.000Z","date":"2026-09-18","kind":"grant","planned":false,"acquired":true,"shares":1607,"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 connection with Ms. Littlefield's departure from the Company's Board 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 37,034 shares directly."}],"balance_after":37034,"source":{"system":"sec-edgar","filing":"0001193125-26-396831","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1777725/000119312526396831/ownership.xml","form_type":"4"}},{"id":740767,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39057,"kind":"person","name":"Dambier Laura A.","position":1,"cik":"0001933334","reported_name":"Dambier Laura A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-12T20:11:27.000Z","date":"2026-06-11","kind":"sale","planned":false,"acquired":false,"shares":4000,"price":37.63,"value":150520.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were made by the reporting person for tax planning purposes."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 14,992 shares directly."}],"balance_after":14992,"source":{"system":"sec-edgar","filing":"0001193125-26-269433","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526269433/ownership.xml","form_type":"4"}},{"id":742290,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-11T20:31:39.000Z","date":"2026-06-11","kind":"sale","planned":true,"acquired":false,"shares":1743,"price":37.8516,"value":65975.3388,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $37.82-$38.06. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 334,377 shares directly."}],"balance_after":334377,"source":{"system":"sec-edgar","filing":"0001193125-26-267677","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526267677/ownership.xml","form_type":"4"}},{"id":742289,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-11T20:31:39.000Z","date":"2026-06-11","kind":"sale","planned":true,"acquired":false,"shares":5026,"price":37.3267,"value":187603.9942,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $36.775-$37.73. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":336120,"source":{"system":"sec-edgar","filing":"0001193125-26-267677","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526267677/ownership.xml","form_type":"4"}},{"id":742288,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-11T20:29:04.000Z","date":"2026-06-11","kind":"sale","planned":true,"acquired":false,"shares":4609,"price":37.8511,"value":174455.7199,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $37.72-$38.06. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,131,929 shares directly."}],"balance_after":1131929,"source":{"system":"sec-edgar","filing":"0001193125-26-267642","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526267642/ownership.xml","form_type":"4"}},{"id":742287,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-11T20:29:04.000Z","date":"2026-06-11","kind":"sale","planned":true,"acquired":false,"shares":11508,"price":37.2825,"value":429047.01,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $36.72-$37.63. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":1136538,"source":{"system":"sec-edgar","filing":"0001193125-26-267642","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526267642/ownership.xml","form_type":"4"}},{"id":743859,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-10T20:55:55.000Z","date":"2026-06-08","kind":"sale","planned":true,"acquired":false,"shares":1549,"price":42.347,"value":65595.503,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $41.94-$42.86. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 341,146 shares directly."}],"balance_after":341146,"source":{"system":"sec-edgar","filing":"0001193125-26-265996","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526265996/ownership.xml","form_type":"4"}},{"id":743858,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-10T20:55:55.000Z","date":"2026-06-08","kind":"sale","planned":true,"acquired":false,"shares":3286,"price":41.5007,"value":136371.3002,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $40.94-$41.90. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":342695,"source":{"system":"sec-edgar","filing":"0001193125-26-265996","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526265996/ownership.xml","form_type":"4"}},{"id":743857,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-10T20:53:25.000Z","date":"2026-06-08","kind":"sale","planned":true,"acquired":false,"shares":4678,"price":42.1935,"value":197381.193,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $41.88-$42.86. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,148,046 shares directly."}],"balance_after":1148046,"source":{"system":"sec-edgar","filing":"0001193125-26-265990","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526265990/ownership.xml","form_type":"4"}},{"id":743856,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-10T20:53:25.000Z","date":"2026-06-08","kind":"sale","planned":true,"acquired":false,"shares":4992,"price":41.3891,"value":206614.3872,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $40.86-$41.74. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":1152724,"source":{"system":"sec-edgar","filing":"0001193125-26-265990","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526265990/ownership.xml","form_type":"4"}},{"id":753228,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-03T20:15:55.000Z","date":"2026-06-03","kind":"sale","planned":true,"acquired":false,"shares":609,"price":50.8258,"value":30952.9122,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The sales were executed in multiple trades at prices ranging from $50.35-$50.99. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F10","text":"Following all the transactions reported on this Form 4, the reporting person holds 345,981 shares directly."}],"balance_after":345981,"source":{"system":"sec-edgar","filing":"0001193125-26-255471","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255471/ownership.xml","form_type":"4"}},{"id":753227,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-03T20:15:55.000Z","date":"2026-06-03","kind":"sale","planned":true,"acquired":false,"shares":2638,"price":49.2846,"value":130012.7748,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The sales were executed in multiple trades at prices ranging from $48.87-$49.62. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":346590,"source":{"system":"sec-edgar","filing":"0001193125-26-255471","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255471/ownership.xml","form_type":"4"}},{"id":753226,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-03T20:15:55.000Z","date":"2026-06-03","kind":"sale","planned":true,"acquired":false,"shares":3200,"price":48.3069,"value":154582.08,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The sales were executed in multiple trades at prices ranging from $47.80-$48.76. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":349228,"source":{"system":"sec-edgar","filing":"0001193125-26-255471","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255471/ownership.xml","form_type":"4"}},{"id":753225,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-03T20:15:55.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":600,"price":52.1917,"value":31315.02,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The sales were executed in multiple trades at prices ranging from $52.00-$52.37. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":352428,"source":{"system":"sec-edgar","filing":"0001193125-26-255471","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255471/ownership.xml","form_type":"4"}},{"id":753224,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-03T20:15:55.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":12036,"price":51.466,"value":619444.776,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sales were executed in multiple trades at prices ranging from $50.99-$51.90. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":353028,"source":{"system":"sec-edgar","filing":"0001193125-26-255471","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255471/ownership.xml","form_type":"4"}},{"id":753223,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-03T20:15:55.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":12122,"price":50.6188,"value":613601.0936,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sales were executed in multiple trades at prices ranging from $49.99-$50.95. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":365064,"source":{"system":"sec-edgar","filing":"0001193125-26-255471","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255471/ownership.xml","form_type":"4"}},{"id":753222,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-03T20:15:55.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":5704,"price":49.461,"value":282125.544,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $48.95-$49.87. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":377186,"source":{"system":"sec-edgar","filing":"0001193125-26-255471","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255471/ownership.xml","form_type":"4"}},{"id":753221,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2026-06-03T20:15:55.000Z","date":"2026-06-01","kind":"grant","planned":true,"acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on June 1, 2026. The award will vest in three equal annual installments beginning June 10, 2027."}],"balance_after":382890,"source":{"system":"sec-edgar","filing":"0001193125-26-255471","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255471/ownership.xml","form_type":"4"}},{"id":753220,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-03T20:11:30.000Z","date":"2026-06-03","kind":"sale","planned":true,"acquired":false,"shares":817,"price":50.99,"value":41658.83,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F10","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,157,716 shares directly."}],"balance_after":1157716,"source":{"system":"sec-edgar","filing":"0001193125-26-255450","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255450/ownership.xml","form_type":"4"}},{"id":753219,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-03T20:11:30.000Z","date":"2026-06-03","kind":"sale","planned":true,"acquired":false,"shares":500,"price":50.288,"value":25144.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The sales were executed in multiple trades at prices ranging from $49.89-$50.82. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":1158533,"source":{"system":"sec-edgar","filing":"0001193125-26-255450","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255450/ownership.xml","form_type":"4"}},{"id":753218,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-03T20:11:30.000Z","date":"2026-06-03","kind":"sale","planned":true,"acquired":false,"shares":4501,"price":49.2541,"value":221692.7041,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The sales were executed in multiple trades at prices ranging from $48.87-$49.84. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":1159033,"source":{"system":"sec-edgar","filing":"0001193125-26-255450","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255450/ownership.xml","form_type":"4"}},{"id":753217,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-03T20:11:30.000Z","date":"2026-06-03","kind":"sale","planned":true,"acquired":false,"shares":7075,"price":48.3066,"value":341769.195,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The sales were executed in multiple trades at prices ranging from $47.80-$48.76. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":1163534,"source":{"system":"sec-edgar","filing":"0001193125-26-255450","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255450/ownership.xml","form_type":"4"}},{"id":753216,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-03T20:11:30.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":2305,"price":52.1361,"value":120173.7105,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The sales were executed in multiple trades at prices ranging from $52.00-$52.44. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":1170609,"source":{"system":"sec-edgar","filing":"0001193125-26-255450","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255450/ownership.xml","form_type":"4"}},{"id":753215,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-03T20:11:30.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":28558,"price":51.4586,"value":1469554.6988,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sales were executed in multiple trades at prices ranging from $50.99-$51.945. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":1172914,"source":{"system":"sec-edgar","filing":"0001193125-26-255450","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255450/ownership.xml","form_type":"4"}},{"id":753214,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-03T20:11:30.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":27900,"price":50.6314,"value":1412616.06,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sales were executed in multiple trades at prices ranging from $49.99-$50.98. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":1201472,"source":{"system":"sec-edgar","filing":"0001193125-26-255450","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255450/ownership.xml","form_type":"4"}},{"id":753213,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-03T20:11:30.000Z","date":"2026-06-02","kind":"sale","planned":true,"acquired":false,"shares":13762,"price":49.451,"value":680544.662,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025, as modified on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $48.95-$49.87. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":1229372,"source":{"system":"sec-edgar","filing":"0001193125-26-255450","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255450/ownership.xml","form_type":"4"}},{"id":753212,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-06-03T20:11:30.000Z","date":"2026-06-01","kind":"grant","planned":true,"acquired":true,"shares":60000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on June 1, 2026. The award will vest in three equal annual installments beginning June 10, 2027."}],"balance_after":1243134,"source":{"system":"sec-edgar","filing":"0001193125-26-255450","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526255450/ownership.xml","form_type":"4"}},{"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":813884,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53509,"kind":"person","name":"OLIVER DAVID R JR","position":1,"cik":"0001376216","reported_name":"OLIVER DAVID R JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-07T21:42:50.000Z","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 63,823 shares directly."}],"balance_after":63823,"source":{"system":"sec-edgar","filing":"0001193125-26-145810","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526145810/ownership.xml","form_type":"4"}},{"id":813883,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53508,"kind":"person","name":"Littlefield Barbara G.","position":1,"cik":"0001777725","reported_name":"Littlefield Barbara G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-07T21:40:15.000Z","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 35,427 shares directly."}],"balance_after":35427,"source":{"system":"sec-edgar","filing":"0001193125-26-145803","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526145803/ownership.xml","form_type":"4"}},{"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":813882,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53507,"kind":"person","name":"House Arthur H","position":1,"cik":"0001685155","reported_name":"House Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-07T21:35:45.000Z","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 51,779 shares directly."}],"balance_after":51779,"source":{"system":"sec-edgar","filing":"0001193125-26-145795","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526145795/ownership.xml","form_type":"4"}},{"id":813880,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39057,"kind":"person","name":"Dambier Laura A.","position":1,"cik":"0001933334","reported_name":"Dambier Laura A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-07T21:33:42.000Z","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 18,992 shares directly."}],"balance_after":18992,"source":{"system":"sec-edgar","filing":"0001193125-26-145787","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526145787/ownership.xml","form_type":"4"}},{"id":880688,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53509,"kind":"person","name":"OLIVER DAVID R JR","position":1,"cik":"0001376216","reported_name":"OLIVER DAVID R JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-02-26T22:13:45.000Z","date":"2026-02-24","kind":"sale","planned":false,"acquired":false,"shares":200,"price":34.1,"value":6820.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were made by the reporting person for tax planning purposes."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 60,707 shares directly."}],"balance_after":60707,"source":{"system":"sec-edgar","filing":"0001193125-26-077349","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312526077349/ownership.xml","form_type":"4"}},{"id":1000974,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53509,"kind":"person","name":"OLIVER DAVID R JR","position":1,"cik":"0001376216","reported_name":"OLIVER DAVID R JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-13T21:49:08.000Z","date":"2019-06-18","kind":"purchase","planned":false,"acquired":true,"shares":200,"price":8.33,"value":1666.0,"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 60,907 shares directly."}],"balance_after":60907,"source":{"system":"sec-edgar","filing":"0001193125-25-280371","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000119312525280371/ownership.xml","form_type":"4"}},{"id":1071797,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53507,"kind":"person","name":"House Arthur H","position":1,"cik":"0001685155","reported_name":"House Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (Right to Buy)","published_at":"2025-08-08T20:15:14.000Z","date":"2025-08-06","kind":"exercise","planned":false,"acquired":false,"shares":9703,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The stock option was automatically granted under the Amended and Restated 2007 Director Stock Plan on the third business day following the reporting person's election to the Board.  The stock option vested in two equal annual installments beginning September 20, 2017, and became fully vested and exerciseable on September 20, 2018."}],"balance_after":0,"derivative":{"exercise_price":6.8,"expiration_date":"2026-09-20","underlying":"Common Stock","underlying_shares":9703},"source":{"system":"sec-edgar","filing":"0000950170-25-105858","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025105858/ownership.xml","form_type":"4"}},{"id":1071796,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53507,"kind":"person","name":"House Arthur H","position":1,"cik":"0001685155","reported_name":"House Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-08T20:15:14.000Z","date":"2025-08-08","kind":"sale","planned":false,"acquired":false,"shares":9703,"price":50.9205,"value":494081.6115,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were made by the reporting person for tax and estate planning purposes."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 48,663 shares directly."}],"balance_after":48663,"source":{"system":"sec-edgar","filing":"0000950170-25-105858","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025105858/ownership.xml","form_type":"4"}},{"id":1071795,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53507,"kind":"person","name":"House Arthur H","position":1,"cik":"0001685155","reported_name":"House Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-08T20:15:14.000Z","date":"2025-08-06","kind":"exercise","planned":false,"acquired":true,"shares":9703,"price":6.8,"value":65980.4,"ownership":{"direct":true},"balance_after":58366,"source":{"system":"sec-edgar","filing":"0000950170-25-105858","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025105858/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":1073475,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-08-06T20:34:11.000Z","date":"2025-08-04","kind":"sale","planned":false,"acquired":false,"shares":27743,"price":55.1065,"value":1528819.6295,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $54.87-$55.34. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,183,134 shares directly."}],"balance_after":1183134,"source":{"system":"sec-edgar","filing":"0000950170-25-104149","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025104149/ownership.xml","form_type":"4"}},{"id":1073474,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-08-06T20:34:11.000Z","date":"2025-08-04","kind":"sale","planned":false,"acquired":false,"shares":73105,"price":54.2604,"value":3966706.542,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sales were executed in multiple trades at prices ranging from $53.85-$54.83. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":1210877,"source":{"system":"sec-edgar","filing":"0000950170-25-104149","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025104149/ownership.xml","form_type":"4"}},{"id":1073472,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-08-06T20:29:58.000Z","date":"2025-08-04","kind":"sale","planned":false,"acquired":false,"shares":9843,"price":55.26,"value":543924.18,"ownership":{"direct":false,"nature":"By 401(k) plan"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 0 shares indirectly through the issuer's 401(k) plan as of August 6, 2025."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-25-104131","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025104131/ownership.xml","form_type":"4"}},{"id":1073471,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-08-06T20:29:58.000Z","date":"2025-08-04","kind":"sale","planned":false,"acquired":false,"shares":15740,"price":55.1292,"value":867733.608,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $55.00-$55.34. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Following all the transactions reported on this Form 4, the reporting person holds 352,890 shares directly."}],"balance_after":352890,"source":{"system":"sec-edgar","filing":"0000950170-25-104131","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025104131/ownership.xml","form_type":"4"}},{"id":1073470,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-08-06T20:29:58.000Z","date":"2025-08-04","kind":"sale","planned":false,"acquired":false,"shares":34260,"price":54.341,"value":1861722.66,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sales were executed in multiple trades at prices ranging from $54.00-$54.94. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":368630,"source":{"system":"sec-edgar","filing":"0000950170-25-104131","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025104131/ownership.xml","form_type":"4"}},{"id":1114178,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-06-12T20:22:17.000Z","date":"2025-06-11","kind":"sale","planned":true,"acquired":false,"shares":500,"price":29.09,"value":14545.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,283,982 shares directly."}],"balance_after":1283982,"source":{"system":"sec-edgar","filing":"0000950170-25-085421","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025085421/ownership.xml","form_type":"4"}},{"id":1114177,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-06-12T20:22:17.000Z","date":"2025-06-11","kind":"sale","planned":true,"acquired":false,"shares":12315,"price":28.5584,"value":351696.696,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $28.06-$28.87. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":1284482,"source":{"system":"sec-edgar","filing":"0000950170-25-085421","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025085421/ownership.xml","form_type":"4"}},{"id":1114176,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-06-12T20:19:57.000Z","date":"2025-06-11","kind":"sale","planned":true,"acquired":false,"shares":300,"price":29.0833,"value":8724.99,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sales were executed in multiple trades at prices ranging from $29.08-$29.09. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Following all the transactions reported on this Form 4, the reporting person holds 402,890 shares directly."}],"balance_after":402890,"source":{"system":"sec-edgar","filing":"0000950170-25-085408","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025085408/ownership.xml","form_type":"4"}},{"id":1114175,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-06-12T20:19:57.000Z","date":"2025-06-11","kind":"sale","planned":true,"acquired":false,"shares":6342,"price":28.5483,"value":181053.3186,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $28.06-$28.83. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":403190,"source":{"system":"sec-edgar","filing":"0000950170-25-085408","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025085408/ownership.xml","form_type":"4"}},{"id":1118827,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-06-09T20:57:39.000Z","date":"2025-06-06","kind":"sale","planned":true,"acquired":false,"shares":4744,"price":31.8323,"value":151012.4312,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $31.44-$32.23. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 409,532 shares directly."}],"balance_after":409532,"source":{"system":"sec-edgar","filing":"0000950170-25-083826","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025083826/ownership.xml","form_type":"4"}},{"id":1118820,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-06-09T20:53:48.000Z","date":"2025-06-06","kind":"sale","planned":true,"acquired":false,"shares":7689,"price":31.8208,"value":244670.1312,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $31.44-$32.23. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,296,797 shares directly."}],"balance_after":1296797,"source":{"system":"sec-edgar","filing":"0000950170-25-083818","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025083818/ownership.xml","form_type":"4"}},{"id":1131176,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-05-29T21:31:39.000Z","date":"2025-05-27","kind":"sale","planned":true,"acquired":false,"shares":98149,"price":26.6002,"value":2610783.0298,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024.  Includes shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of a restricted stock award."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $26.15-$27.10. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,304,486 shares directly."}],"balance_after":1304486,"source":{"system":"sec-edgar","filing":"0000950170-25-079169","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025079169/ownership.xml","form_type":"4"}},{"id":1131175,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-05-29T21:31:39.000Z","date":"2025-05-27","kind":"sale","planned":true,"acquired":false,"shares":24506,"price":25.5469,"value":626052.3314,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024.  Includes shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of a restricted stock award."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $25.10-$26.00. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":1402635,"source":{"system":"sec-edgar","filing":"0000950170-25-079169","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025079169/ownership.xml","form_type":"4"}},{"id":1131174,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-05-29T21:22:41.000Z","date":"2025-05-27","kind":"sale","planned":true,"acquired":false,"shares":39903,"price":26.6079,"value":1061735.0337,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $26.25-$27.10. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 414,276 shares directly."}],"balance_after":414276,"source":{"system":"sec-edgar","filing":"0000950170-25-079157","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025079157/ownership.xml","form_type":"4"}},{"id":1131173,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-05-29T21:22:41.000Z","date":"2025-05-27","kind":"sale","planned":true,"acquired":false,"shares":10097,"price":25.5543,"value":258021.7671,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $25.10-$26.00. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."}],"balance_after":454179,"source":{"system":"sec-edgar","filing":"0000950170-25-079157","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025079157/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"}},{"id":1138200,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-05-22T20:47:22.000Z","date":"2025-05-20","kind":"sale","planned":true,"acquired":false,"shares":11860,"price":24.4966,"value":290529.676,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $24.13-$24.89. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 464,276 shares directly."}],"balance_after":464276,"source":{"system":"sec-edgar","filing":"0000950170-25-076416","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025076416/ownership.xml","form_type":"4"}},{"id":1138198,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-05-22T20:41:20.000Z","date":"2025-05-20","kind":"sale","planned":true,"acquired":false,"shares":12815,"price":24.493,"value":313877.795,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $24.11-$24.89. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,427,141 shares directly."}],"balance_after":1427141,"source":{"system":"sec-edgar","filing":"0000950170-25-076404","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025076404/ownership.xml","form_type":"4"}},{"id":1143938,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-05-19T20:43:58.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":120000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on May 15, 2025. The award will vest as follows: (a) 40,000 shares will vest in three equal annual installments beginning June 2, 2026, and (b) 80,000 shares will vest upon the achievement of specified performance objectives."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 476,136 shares directly."}],"balance_after":476136,"source":{"system":"sec-edgar","filing":"0000950170-25-074461","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025074461/ownership.xml","form_type":"4"}},{"id":1143937,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-05-19T20:42:47.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":240000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on May 15, 2025. The award will vest as follows: (a) 80,000 shares will vest in three equal annual installments beginning June 2, 2026, and (b) 160,000 shares will vest upon the achievement of specified performance objectives."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,439,956 shares directly."}],"balance_after":1439956,"source":{"system":"sec-edgar","filing":"0000950170-25-074454","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025074454/ownership.xml","form_type":"4"}},{"id":1178140,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53509,"kind":"person","name":"OLIVER DAVID R JR","position":1,"cik":"0001376216","reported_name":"OLIVER DAVID R JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-04T20:36:46.000Z","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 60,707 shares directly."}],"balance_after":60707,"source":{"system":"sec-edgar","filing":"0000950170-25-051189","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025051189/ownership.xml","form_type":"4"}},{"id":1178141,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53508,"kind":"person","name":"Littlefield Barbara G.","position":1,"cik":"0001777725","reported_name":"Littlefield Barbara G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-04T20:34:56.000Z","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 32,311 shares directly."}],"balance_after":32311,"source":{"system":"sec-edgar","filing":"0000950170-25-051187","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025051187/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":1178138,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53507,"kind":"person","name":"House Arthur H","position":1,"cik":"0001685155","reported_name":"House Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-04T20:30:56.000Z","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 48,663 shares directly."}],"balance_after":48663,"source":{"system":"sec-edgar","filing":"0000950170-25-051183","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025051183/ownership.xml","form_type":"4"}},{"id":1178135,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39057,"kind":"person","name":"Dambier Laura A.","position":1,"cik":"0001933334","reported_name":"Dambier Laura A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-04T20:29:06.000Z","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":"0000950170-25-051168","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017025051168/ownership.xml","form_type":"4"}},{"id":1374613,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-11-06T21:38:49.000Z","date":"2024-11-04","kind":"sale","planned":false,"acquired":false,"shares":50000,"price":28.2819,"value":1414095.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sales were executed in multiple trades at prices ranging from $28.00-$28.50. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 356,136 shares directly."}],"balance_after":356136,"source":{"system":"sec-edgar","filing":"0000950170-24-122413","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024122413/ownership.xml","form_type":"4"}},{"id":1397350,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-10-01T20:37:24.000Z","date":"2024-09-30","kind":"grant","planned":false,"acquired":true,"shares":180000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on September 30, 2024. The award will vest as follows: (a) 60,000 shares will vest in three equal annual installments beginning June 5, 2025, and (b) 120,000 shares will vest upon the achievement of specified performance objectives."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,199,956 shares directly."}],"balance_after":1199956,"source":{"system":"sec-edgar","filing":"0000950170-24-110883","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024110883/ownership.xml","form_type":"4"}},{"id":1398201,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-09-30T21:12:25.000Z","date":"2024-09-26","kind":"grant","planned":false,"acquired":true,"shares":90000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on September 26, 2024. The award will vest as follows: (a) 30,000 shares will vest in three equal annual installments beginning June 5, 2025, and (b) 60,000 shares will vest upon the achievement of specified performance objectives."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 406,136 shares directly."}],"balance_after":406136,"source":{"system":"sec-edgar","filing":"0000950170-24-110427","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024110427/ownership.xml","form_type":"4"}},{"id":1482633,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-06-12T13:09:47.000Z","date":"2024-06-11","kind":"sale","planned":true,"acquired":false,"shares":37165,"price":21.6883,"value":806045.6695,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $21.28-$22.03. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,019,956 shares directly."}],"balance_after":1019956,"source":{"system":"sec-edgar","filing":"0000950170-24-072273","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024072273/ownership.xml","form_type":"4"}},{"id":1482632,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-06-12T13:08:23.000Z","date":"2024-06-11","kind":"sale","planned":true,"acquired":false,"shares":32000,"price":21.6797,"value":693750.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 6, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $21.26-$22.03. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Following all the transactions reported on this Form 4, the reporting person holds 316,136 shares directly."}],"balance_after":316136,"source":{"system":"sec-edgar","filing":"0000950170-24-072272","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024072272/ownership.xml","form_type":"4"}},{"id":1504473,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-05-23T20:33:24.000Z","date":"2024-05-21","kind":"sale","planned":true,"acquired":false,"shares":2170,"price":15.2991,"value":33199.047,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 6, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $15.24-$15.405. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 348,136 shares directly."}],"balance_after":348136,"source":{"system":"sec-edgar","filing":"0000950170-24-063992","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024063992/ownership.xml","form_type":"4"}},{"id":1504472,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-05-23T20:33:24.000Z","date":"2024-05-21","kind":"sale","planned":true,"acquired":false,"shares":26830,"price":14.7825,"value":396614.475,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 6, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $14.24-$15.2375. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":350306,"source":{"system":"sec-edgar","filing":"0000950170-24-063992","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024063992/ownership.xml","form_type":"4"}},{"id":1504471,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-05-23T20:29:47.000Z","date":"2024-05-21","kind":"sale","planned":true,"acquired":false,"shares":1620,"price":15.3048,"value":24793.776,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sales were executed in multiple trades at prices ranging from $15.25-$15.41. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,057,121 shares directly."}],"balance_after":1057121,"source":{"system":"sec-edgar","filing":"0000950170-24-063979","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024063979/ownership.xml","form_type":"4"}},{"id":1504470,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-05-23T20:29:47.000Z","date":"2024-05-21","kind":"sale","planned":true,"acquired":false,"shares":18939,"price":14.7815,"value":279946.8285,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $14.24-$15.2375. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":1058741,"source":{"system":"sec-edgar","filing":"0000950170-24-063979","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024063979/ownership.xml","form_type":"4"}},{"id":1548162,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39057,"kind":"person","name":"Dambier Laura A.","position":1,"cik":"0001933334","reported_name":"Dambier Laura A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-04-04T21:26:07.000Z","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":"0000950170-24-041906","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024041906/ownership.xml","form_type":"4"}},{"id":1548160,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53507,"kind":"person","name":"House Arthur H","position":1,"cik":"0001685155","reported_name":"House Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-04-04T21:24:27.000Z","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 46,024 shares directly."}],"balance_after":46024,"source":{"system":"sec-edgar","filing":"0000950170-24-041905","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024041905/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":1548157,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53508,"kind":"person","name":"Littlefield Barbara G.","position":1,"cik":"0001777725","reported_name":"Littlefield Barbara G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-04-04T21:21:50.000Z","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 29,672 shares directly."}],"balance_after":29672,"source":{"system":"sec-edgar","filing":"0000950170-24-041901","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024041901/ownership.xml","form_type":"4"}},{"id":1548158,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53509,"kind":"person","name":"OLIVER DAVID R JR","position":1,"cik":"0001376216","reported_name":"OLIVER DAVID R JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-04-04T21:19:53.000Z","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 58,068 shares directly."}],"balance_after":58068,"source":{"system":"sec-edgar","filing":"0000950170-24-041899","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000095017024041899/ownership.xml","form_type":"4"}},{"id":1845750,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-06-23T20:19:35.000Z","date":"2023-06-22","kind":"sale","planned":true,"acquired":false,"shares":36902,"price":5.9508,"value":219596.4216,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on March 17, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $5.735-$6.07. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,077,680 shares directly."}],"balance_after":1077680,"source":{"system":"sec-edgar","filing":"0001209191-23-039376","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123039376/doc4.xml","form_type":"4"}},{"id":1845749,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-06-23T20:19:35.000Z","date":"2023-06-21","kind":"sale","planned":true,"acquired":false,"shares":73802,"price":6.1428,"value":453350.9256,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on March 17, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $6.07-$6.25. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":1114582,"source":{"system":"sec-edgar","filing":"0001209191-23-039376","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123039376/doc4.xml","form_type":"4"}},{"id":1845748,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2023-06-23T20:15:59.000Z","date":"2023-06-22","kind":"sale","planned":true,"acquired":false,"shares":29878,"price":5.9514,"value":177815.9292,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on March 17, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sales were executed in multiple trades at prices ranging from $5.75-$6.09. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Following all the transactions reported on this Form 4, the reporting person holds 377,136 shares directly."}],"balance_after":377136,"source":{"system":"sec-edgar","filing":"0001209191-23-039350","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123039350/doc4.xml","form_type":"4"}},{"id":1845747,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2023-06-23T20:15:59.000Z","date":"2023-06-21","kind":"sale","planned":true,"acquired":false,"shares":50132,"price":6.1544,"value":308532.3808,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on March 17, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $6.07-$6.24. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."}],"balance_after":407014,"source":{"system":"sec-edgar","filing":"0001209191-23-039350","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123039350/doc4.xml","form_type":"4"}},{"id":1850594,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2023-06-20T20:26:58.000Z","date":"2023-06-15","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":1613,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents 1,613 shares out of a total of 50,000 shares of restricted stock that were awarded on May 21, 2020 and would vest upon American Superconductor Corporation's (the \"Company\") achievement of specified performance objectives. On June 15, 2023, the Board of Directors of the Company certified that maximum-level performance was achieved with respect to the cumulative organic Grid revenues performance objective and between target-level and maximum-level performance was achieved with respect to the cumulative organic total revenues\nperformance objective. As a result, these shares have been forfeited to the Company."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Following all the transactions reported on this Form 4, the reporting person holds 457,146 shares directly."}],"balance_after":457146,"source":{"system":"sec-edgar","filing":"0001209191-23-038394","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123038394/doc4.xml","form_type":"4"}},{"id":1850593,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2023-06-20T20:26:58.000Z","date":"2023-06-15","kind":"grant","planned":false,"acquired":true,"shares":105000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on June 15, 2023. The award will vest as follows: (a) 42,000 shares will vest in three equal annual installments beginning June 10, 2024, and (b) 63,000 shares will vest upon the achievement of specified performance objectives."}],"balance_after":458759,"source":{"system":"sec-edgar","filing":"0001209191-23-038394","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123038394/doc4.xml","form_type":"4"}},{"id":1850592,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-06-20T20:23:47.000Z","date":"2023-06-15","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":4839,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents 4,839 shares out of a total of 150,000 shares of restricted stock that were awarded on May 21, 2020 and would vest upon American Superconductor Corporation's (the \"Company\") achievement of specified performance objectives.  On June 15, 2023, the Board of Directors of the Company certified that maximum-level performance was achieved with respect to the cumulative organic Grid revenues performance objective and between target-level and maximum-level performance was achieved with respect to the cumulative organic total revenues performance objective. As a result, these shares have been forfeited to the Company."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Following all the transactions reported on this Form 4, the reporting person holds 1,188,384 shares directly."}],"balance_after":1188384,"source":{"system":"sec-edgar","filing":"0001209191-23-038383","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123038383/doc4.xml","form_type":"4"}},{"id":1850591,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-06-20T20:23:47.000Z","date":"2023-06-15","kind":"grant","planned":false,"acquired":true,"shares":250000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on June 15, 2023. The award will vest as follows: (a) 100,000 shares will vest in three equal annual installments beginning June 10, 2024, and (b) 150,000 shares will vest upon the achievement of specified performance objectives."}],"balance_after":1193223,"source":{"system":"sec-edgar","filing":"0001209191-23-038383","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123038383/doc4.xml","form_type":"4"}},{"id":1923275,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53507,"kind":"person","name":"House Arthur H","position":1,"cik":"0001685155","reported_name":"House Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-04-07T20:17:53.000Z","date":"2023-04-05","kind":"grant","planned":false,"acquired":true,"shares":11627,"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 42,184 shares directly."}],"balance_after":42184,"source":{"system":"sec-edgar","filing":"0001209191-23-023781","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123023781/doc4.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":1923273,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39057,"kind":"person","name":"Dambier Laura A.","position":1,"cik":"0001933334","reported_name":"Dambier Laura A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-04-07T20:14:42.000Z","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":"0001209191-23-023769","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123023769/doc4.xml","form_type":"4"}},{"id":1923272,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53508,"kind":"person","name":"Littlefield Barbara G.","position":1,"cik":"0001777725","reported_name":"Littlefield Barbara G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-04-07T20:13:03.000Z","date":"2023-04-05","kind":"grant","planned":false,"acquired":true,"shares":11627,"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 25,832 shares directly."}],"balance_after":25832,"source":{"system":"sec-edgar","filing":"0001209191-23-023766","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123023766/doc4.xml","form_type":"4"}},{"id":1923271,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":53509,"kind":"person","name":"OLIVER DAVID R JR","position":1,"cik":"0001376216","reported_name":"OLIVER DAVID R JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-04-07T20:09:51.000Z","date":"2023-04-05","kind":"grant","planned":false,"acquired":true,"shares":11627,"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 54,228 shares directly."}],"balance_after":54228,"source":{"system":"sec-edgar","filing":"0001209191-23-023763","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919123023763/doc4.xml","form_type":"4"}},{"id":2082617,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-12-19T21:21:41.000Z","date":"2022-12-16","kind":"purchase","acquired":true,"shares":25000,"price":3.4907,"value":87267.5,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchases were executed in multiple trades at prices ranging from $3.439-$3.50. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 943,223 shares directly."}],"balance_after":943223,"source":{"system":"sec-edgar","filing":"0001209191-22-061904","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919122061904/doc4.xml","form_type":"4"}},{"id":2082615,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2022-12-19T21:18:20.000Z","date":"2022-12-16","kind":"purchase","acquired":true,"shares":15000,"price":3.4981,"value":52471.5,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchases were executed in multiple trades at prices ranging from $3.48-$3.50. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 353,759 shares directly."}],"balance_after":353759,"source":{"system":"sec-edgar","filing":"0001209191-22-061893","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919122061893/doc4.xml","form_type":"4"}},{"id":2088752,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2022-12-13T21:17:57.000Z","date":"2022-12-12","kind":"purchase","acquired":true,"shares":25000,"price":3.336,"value":83400.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchases were executed in multiple trades at prices ranging from $3.2599-$3.35. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 338,759 shares directly."}],"balance_after":338759,"source":{"system":"sec-edgar","filing":"0001209191-22-060921","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919122060921/doc4.xml","form_type":"4"}},{"id":2127713,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-11-02T20:37:51.000Z","date":"2022-10-31","kind":"grant","acquired":true,"shares":250000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on October 31, 2022. The award will vest as follows: (a) 100,000 shares will vest in three equal annual installments beginning May 19, 2023, and (b) 150,000 shares will vest upon the achievement of specified performance objectives."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 918,223 shares directly."}],"balance_after":918223,"source":{"system":"sec-edgar","filing":"0001209191-22-055316","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919122055316/doc4.xml","form_type":"4"}},{"id":2133839,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2022-10-21T20:28:01.000Z","date":"2022-10-19","kind":"grant","acquired":true,"shares":125000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on October 19, 2022. The award will vest as follows: (a) 25,000 shares will vest on May 19, 2023, 25,000 shares will vest on May 19, 2024, and 25,000 shares will vest on May 19, 2025, and (b) 50,000 shares will vest upon the achievement of specified performance objectives."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 313,759 shares directly."}],"balance_after":313759,"source":{"system":"sec-edgar","filing":"0001209191-22-054266","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919122054266/doc4.xml","form_type":"4"}},{"id":2233322,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39057,"kind":"person","name":"Dambier Laura A.","position":1,"cik":"0001933334","reported_name":"Dambier Laura A.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (Right to Buy)","published_at":"2022-06-14T19:17:23.000Z","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":"This 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":"0001209191-22-036623","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919122036623/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"}},{"id":2234876,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39443,"kind":"person","name":"McGahn Daniel P","position":1,"cik":"0001425153","reported_name":"McGahn Daniel P","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-06-13T20:47:06.000Z","date":"2022-06-10","kind":"sale","acquired":false,"shares":32587,"price":5.9763,"value":194749.6881,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person received an award of 75,000 shares of restricted stock on October 31, 2019 that would vest upon American Superconductor Corporation's (the \"Company\") achievement of specified performance objectives. On June 9, 2022, the Board of Directors of the Company certified that maximum-level performance was achieved with respect to all such performance objectives. As a result, these shares have been fully vested.  Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of a restricted stock award.  The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $5.90-$6.18. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Following all the transactions reported on this Form 4, the reporting person holds 668,223 shares directly."}],"balance_after":668223,"source":{"system":"sec-edgar","filing":"0001209191-22-036360","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919122036360/doc4.xml","form_type":"4"}},{"id":2234874,"issuer":{"id":4752,"kind":"organization","name":"AMERICAN SUPERCONDUCTOR CORP /DE/","symbol":"AMSC"},"owners":[{"id":39444,"kind":"person","name":"Kosiba John W JR","position":1,"cik":"0001703463","reported_name":"Kosiba John W JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CFO & Treasurer"}}],"security":"Common Stock","published_at":"2022-06-13T20:43:11.000Z","date":"2022-06-10","kind":"sale","acquired":false,"shares":8473,"price":5.9745,"value":50621.9385,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person received an award of 19,500 shares of restricted stock on October 31, 2019 that would vest upon American Superconductor Corporation's (the \"Company\") achievement of specified performance objectives. On June 9, 2022, the Board of Directors of the Company certified that maximum-level performance was achieved with respect to all such performance objectives. As a result, these shares have been fully vested.  Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of a restricted\nstock award. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sales were executed in multiple trades at prices ranging from $5.90-$6.18. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Following all the transactions reported on this Form 4, the reporting person holds 188,759 shares directly."}],"balance_after":188759,"source":{"system":"sec-edgar","filing":"0001209191-22-036351","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919122036351/doc4.xml","form_type":"4"}}],"next_cursor":"2022-06-13T20:43:11.000000Z,2234874"}