{"transactions":[{"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":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":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":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":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":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":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":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":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":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":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":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":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":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":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"}},{"id":2248262,"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":"2022-06-02T21:36:56.000Z","date":"2022-05-31","kind":"sale","acquired":false,"shares":13325,"price":5.4542,"value":72677.215,"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\nstock awards. 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 $5.33-$5.62. 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 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 197,232 shares directly."}],"balance_after":197232,"source":{"system":"sec-edgar","filing":"0001209191-22-033662","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919122033662/doc4.xml","form_type":"4"}},{"id":2476262,"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":"2021-12-13T21:53:42.000Z","date":"2021-12-10","kind":"sale","acquired":false,"shares":22754,"price":11.3126,"value":257406.9004,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 $11.22-$11.70. 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":210557,"source":{"system":"sec-edgar","filing":"0001209191-21-069270","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919121069270/doc4.xml","form_type":"4"}},{"id":2529837,"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":"2021-11-02T20:26:35.000Z","date":"2021-11-02","kind":"sale","acquired":false,"shares":259,"price":19.31,"value":5001.29,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"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 on November 1, 2021. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan."}],"balance_after":233311,"source":{"system":"sec-edgar","filing":"0001209191-21-062400","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919121062400/doc4.xml","form_type":"4"}},{"id":2529836,"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":"2021-11-02T20:26:35.000Z","date":"2021-11-02","kind":"sale","acquired":false,"shares":6983,"price":18.7709,"value":131077.1947,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"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 on November 1, 2021. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sales were executed in multiple trades at prices ranging from $18.31-$19.19. 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":233570,"source":{"system":"sec-edgar","filing":"0001209191-21-062400","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919121062400/doc4.xml","form_type":"4"}},{"id":2529835,"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":"2021-11-02T20:26:35.000Z","date":"2021-11-01","kind":"sale","acquired":false,"shares":3766,"price":18.9547,"value":71383.4002,"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 a restricted stock award on October 31, 2021.  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 $18.50-$19.22. 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":240553,"source":{"system":"sec-edgar","filing":"0001209191-21-062400","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919121062400/doc4.xml","form_type":"4"}},{"id":2612180,"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":"2021-08-06T12:56:09.000Z","date":"2021-08-05","kind":"grant","acquired":true,"shares":11943,"price":12.54,"value":149765.22,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Mr. Kosiba elected to take his cash payout, net of applicable taxes and withholdings, under the terms of the American Superconductor Corporation (the \"Company\") fiscal 2020 executive incentive plan in immediately vested shares of the Company with an equal fair market value based on the August 5, 2021 closing price of the Company's common stock.  This award of immediately vested shares of the Company was awarded to Mr. Kosiba on August 5, 2021 and made in accordance with the Company's 2007 Stock Incentive Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 244,319 shares directly."}],"balance_after":244319,"source":{"system":"sec-edgar","filing":"0001209191-21-050087","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919121050087/doc4.xml","form_type":"4"}},{"id":2642500,"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":"2021-07-06T21:14:07.000Z","date":"2021-07-01","kind":"sale","acquired":false,"shares":6409,"price":17.66,"value":113182.94,"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 a restricted stock award on June 28, 2021.  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 $17.30-$18.07. 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":"F3","text":"Following all the transactions reported on this Form 4, the reporting person holds 232,376 shares directly."}],"balance_after":232376,"source":{"system":"sec-edgar","filing":"0001209191-21-045570","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919121045570/doc4.xml","form_type":"4"}},{"id":2699802,"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":"2021-05-24T21:38:48.000Z","date":"2021-05-24","kind":"sale","acquired":false,"shares":5794,"price":14.177,"value":82141.538,"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 a restricted stock award on May 21, 2021.  The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $13.88-$14.86. 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 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 238,785 shares directly."}],"balance_after":238785,"source":{"system":"sec-edgar","filing":"0001209191-21-035469","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919121035469/doc4.xml","form_type":"4"}},{"id":2699801,"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":"2021-05-24T21:38:48.000Z","date":"2021-05-20","kind":"grant","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 May 20, 2021. The award will vest as follows: (a) 4,000 shares will vest on May 20, 2022, 4,000 shares will vest on May 20, 2023, and 4,000 shares will vest on May 20, 2024, and (b) 18,000 shares will vest upon the achievement of specified performance objectives."}],"balance_after":244579,"source":{"system":"sec-edgar","filing":"0001209191-21-035469","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919121035469/doc4.xml","form_type":"4"}},{"id":2899806,"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":"2021-01-22T21:39:55.000Z","date":"2021-01-21","kind":"sale","acquired":false,"shares":10661,"price":28.0256,"value":298780.9216,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sales were executed in multiple trades at prices ranging from $27.99-$28.08. 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 214,579 shares directly."}],"balance_after":214579,"source":{"system":"sec-edgar","filing":"0001209191-21-004891","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919121004891/doc4.xml","form_type":"4"}},{"id":2899805,"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":"2021-01-22T21:39:55.000Z","date":"2021-01-21","kind":"sale","acquired":false,"shares":8333,"price":27.6618,"value":230505.7794,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sales were executed in multiple trades at prices ranging from $26.99-$27.985. 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":225240,"source":{"system":"sec-edgar","filing":"0001209191-21-004891","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919121004891/doc4.xml","form_type":"4"}},{"id":2899804,"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":"2021-01-22T21:39:55.000Z","date":"2021-01-21","kind":"sale","acquired":false,"shares":6100,"price":26.5616,"value":162025.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 $25.99-$26.98. 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":233573,"source":{"system":"sec-edgar","filing":"0001209191-21-004891","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919121004891/doc4.xml","form_type":"4"}},{"id":2964763,"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":"2020-11-30T22:32:01.000Z","date":"2020-11-25","kind":"sale","acquired":false,"shares":25000,"price":19.2784,"value":481960.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sales were executed in multiple trades at prices ranging from $19.2075-$19.63. 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 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 239,673 shares directly."}],"balance_after":239673,"source":{"system":"sec-edgar","filing":"0001209191-20-060763","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919120060763/doc4.xml","form_type":"4"}},{"id":2996867,"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":"2020-11-02T21:42:10.000Z","date":"2020-11-01","kind":"tax_withholding","acquired":false,"shares":7321,"price":13.91,"value":101835.11,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents 7,321 shares surrendered to the Company to satisfy the reporting person's tax withholding obligation upon the vesting of shares of restricted stock on November 1, 2020; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Following all the transactions reported on this Form 4, the reporting person holds 264,673 shares directly."}],"balance_after":264673,"source":{"system":"sec-edgar","filing":"0001209191-20-056421","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919120056421/doc4.xml","form_type":"4"}},{"id":2996866,"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":"2020-11-02T21:42:10.000Z","date":"2020-10-31","kind":"tax_withholding","acquired":false,"shares":3774,"price":13.91,"value":52496.34,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 3,774 shares surrendered to the Company to satisfy the reporting person's tax withholding obligation upon the vesting of shares of restricted stock on October 31, 2020; not an open market transaction."}],"balance_after":271994,"source":{"system":"sec-edgar","filing":"0001209191-20-056421","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919120056421/doc4.xml","form_type":"4"}},{"id":3074477,"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":"2020-07-29T22:12:44.000Z","date":"2020-07-27","kind":"tax_withholding","acquired":false,"shares":5228,"price":9.74,"value":50920.72,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 5,228 shares surrendered to the Company to satisfy the reporting person's tax withholding obligation upon the vesting of shares of restricted stock on July 27, 2020; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 275,768 shares directly."}],"balance_after":275768,"source":{"system":"sec-edgar","filing":"0001209191-20-043968","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919120043968/doc4.xml","form_type":"4"}},{"id":3097063,"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":"2020-06-30T21:23:06.000Z","date":"2020-06-28","kind":"tax_withholding","acquired":false,"shares":6518,"price":7.28,"value":47451.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 6,518 shares surrendered to the Company to satisfy the reporting person's tax withholding obligation upon the vesting of shares of restricted stock on June 28, 2020; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 280,996 shares directly."}],"balance_after":280996,"source":{"system":"sec-edgar","filing":"0001209191-20-039507","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919120039507/doc4.xml","form_type":"4"}},{"id":3122639,"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":"2020-06-04T21:05:11.000Z","date":"2020-06-02","kind":"tax_withholding","acquired":false,"shares":5324,"price":7.91,"value":42112.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents 5,324 shares surrendered to the Company to satisfy the reporting person's tax withholding obligation upon the vesting of shares of restricted stock on June 2, 2020; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Following all the transactions reported on this Form 4, the reporting person holds 287,514 shares directly."}],"balance_after":287514,"source":{"system":"sec-edgar","filing":"0001209191-20-034461","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919120034461/doc4.xml","form_type":"4"}},{"id":3122638,"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":"2020-06-04T21:05:11.000Z","date":"2020-06-02","kind":"disposition_to_issuer","acquired":false,"shares":24000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 24,000 shares of restricted stock that were awarded on July 27, 2017 and would vest upon American Superconductor Corporation's (the \"Company\") achievement of a specified performance objective. On June 2, 2020, the Board of Directors of the Company certified that the specified performance objective with respect to such shares was not met. As a result, these shares have been forfeited to the Company."}],"balance_after":292838,"source":{"system":"sec-edgar","filing":"0001209191-20-034461","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919120034461/doc4.xml","form_type":"4"}},{"id":3135902,"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":"2020-05-26T20:34:22.000Z","date":"2020-05-21","kind":"grant","acquired":true,"shares":116667,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on May 21, 2020. The award will vest as follows: (a) 13,333 shares will vest on May 21, 2021, 26,667 shares will vest on May 21, 2022, and 26,667 shares will vest on May 21, 2023, 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 316,838 shares directly."}],"balance_after":316838,"source":{"system":"sec-edgar","filing":"0001209191-20-032025","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919120032025/doc4.xml","form_type":"4"}},{"id":3333047,"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":"2019-12-23T22:07:51.000Z","date":"2019-12-19","kind":"sale","acquired":false,"shares":10287,"price":7.6306,"value":78495.9822,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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 $7.54-$7.70. 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 200,171 shares directly, which reflects an adjustment to correct a prior immaterial computational error."}],"balance_after":200171,"source":{"system":"sec-edgar","filing":"0001209191-19-061821","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119061821/doc4.xml","form_type":"4"}},{"id":3378034,"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":"2019-11-07T22:14:26.000Z","date":"2019-11-05","kind":"disposition_to_issuer","acquired":false,"shares":7375,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 7,375 shares of restricted stock that were awarded on June 28, 2018 and would vest upon American Superconductor Corporation's (the \"Company\") achievement of a specified performance objective.  On November 5, 2019, the Compensation Committee of the Board of Directors of the Company certified that the specified performance objective with respect to such shares was not met.  As a result, these shares have been forfeited to the Company."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 210,508 shares directly."}],"balance_after":210508,"source":{"system":"sec-edgar","filing":"0001209191-19-055700","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119055700/doc4.xml","form_type":"4"}},{"id":3382698,"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":"2019-11-04T22:25:06.000Z","date":"2019-11-01","kind":"tax_withholding","acquired":false,"shares":7378,"price":8.08,"value":59614.24,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents 7,378 shares surrendered to the company to satisfy the reporting person's tax withholding obligation upon the vesting of shares of restricted stock on November 1, 2019; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Following all the transactions reported on this Form 4, the reporting person holds 217,833 shares directly."}],"balance_after":217883,"source":{"system":"sec-edgar","filing":"0001209191-19-054966","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119054966/doc4.xml","form_type":"4"}},{"id":3382697,"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":"2019-11-04T22:25:06.000Z","date":"2019-10-31","kind":"grant","acquired":true,"shares":45500,"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, 2019. The award will vest as follows: (a) 26,000 shares will vest in three equal annual installments beginning October 31, 2020, and (b) 19,500 shares will vest upon the achievement of specified performance objectives."}],"balance_after":225211,"source":{"system":"sec-edgar","filing":"0001209191-19-054966","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119054966/doc4.xml","form_type":"4"}},{"id":3453740,"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":"2019-07-30T21:44:49.000Z","date":"2019-07-27","kind":"tax_withholding","acquired":false,"shares":5307,"price":8.81,"value":46754.67,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 5,307 shares tendered to the company to satisfy the reporting person's tax withholding obligation upon the vesting of shares of restricted stock on July 27, 2019; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 179,711 shares directly."}],"balance_after":179711,"source":{"system":"sec-edgar","filing":"0001209191-19-043707","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119043707/doc4.xml","form_type":"4"}},{"id":3472900,"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":"2019-07-02T20:23:50.000Z","date":"2019-06-28","kind":"tax_withholding","acquired":false,"shares":6529,"price":9.28,"value":60589.12,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 6,529 shares tendered to the company to satisfy the reporting person's tax withholding obligation upon the vesting of shares of restricted stock on June 28, 2019; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 185,018 shares directly."}],"balance_after":185018,"source":{"system":"sec-edgar","filing":"0001209191-19-040283","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119040283/doc4.xml","form_type":"4"}},{"id":3528633,"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":"2019-05-14T20:41:53.000Z","date":"2019-05-12","kind":"tax_withholding","acquired":false,"shares":2365,"price":11.09,"value":26227.85,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 2,365 shares tendered to the company to satisfy the reporting person's tax withholding obligation upon the vesting of shares of restricted stock on May 12, 2019; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 191,547 shares directly."}],"balance_after":191547,"source":{"system":"sec-edgar","filing":"0001209191-19-029676","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119029676/doc4.xml","form_type":"4"}},{"id":3715066,"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":"2019-01-02T21:52:52.000Z","date":"2018-12-28","kind":"sale","acquired":false,"shares":12374,"price":10.3113,"value":127592.0262,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan. The primary purpose of such sales was for tax planning purposes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The disposition transaction was executed in multiple trades at prices ranging from $9.66-$10.535. 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 193,912 shares directly."}],"balance_after":193912,"source":{"system":"sec-edgar","filing":"0001209191-19-000305","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119000305/doc4.xml","form_type":"4"}},{"id":3736734,"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":"2018-12-11T21:53:43.000Z","date":"2018-12-07","kind":"sale","acquired":false,"shares":6250,"price":10.5836,"value":66147.5,"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":"price","element":"transactionPricePerShare","label":"F2","text":"The disposition transaction was executed in multiple trades at prices ranging from $10.57-$10.74. 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 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 206,286 shares directly."}],"balance_after":206286,"source":{"system":"sec-edgar","filing":"0001209191-18-062034","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919118062034/doc4.xml","form_type":"4"}},{"id":3768619,"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":"2018-11-13T22:00:15.000Z","date":"2018-11-08","kind":"tax_withholding","acquired":false,"shares":1617,"price":9.48,"value":15329.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 1,617 shares tendered to the company to satisfy the reporting person's tax withholding obligation upon the vesting of shares of restricted stock on November 8, 2018; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 212,536 shares directly."}],"balance_after":212536,"source":{"system":"sec-edgar","filing":"0001209191-18-058308","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919118058308/doc4.xml","form_type":"4"}},{"id":3774838,"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":"2018-11-05T22:52:03.000Z","date":"2018-11-01","kind":"grant","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on November 1, 2018. The award will vest in three equal annual installments beginning November 1, 2019."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 214,153 shares directly."}],"balance_after":214153,"source":{"system":"sec-edgar","filing":"0001209191-18-057267","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919118057267/doc4.xml","form_type":"4"}},{"id":3852336,"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":"2018-08-06T21:06:10.000Z","date":"2018-08-02","kind":"tax_withholding","acquired":false,"shares":1602,"price":5.74,"value":9195.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 1,602 shares tendered to the company to satisfy the reporting person's tax withholding obligation upon the vesting of shares of restricted stock on August 2, 2018; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 164,153 shares directly."}],"balance_after":164153,"source":{"system":"sec-edgar","filing":"0001209191-18-045569","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919118045569/doc4.xml","form_type":"4"}},{"id":3879522,"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":"2018-07-02T20:24:51.000Z","date":"2018-06-28","kind":"grant","acquired":true,"shares":59000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock award was granted on June 28, 2018. The award will vest as follows: (a) 44,250 shares will vest in three equal annual installments beginning June 28, 2019, and (b) 14,750 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 165,755 shares directly."}],"balance_after":165755,"source":{"system":"sec-edgar","filing":"0001209191-18-040338","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919118040338/doc4.xml","form_type":"4"}},{"id":3933708,"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":"2018-05-15T18:19:59.000Z","date":"2018-05-14","kind":"tax_withholding","acquired":false,"shares":2178,"price":6.88,"value":14984.64,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents 2,178 shares tendered to the company to satisfy the reporting person's tax withholding obligation upon the vesting on May 14, 2018 of restricted stock awarded on December 10, 2015; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person holds 106,755 shares directly."}],"balance_after":106755,"source":{"system":"sec-edgar","filing":"0001209191-18-030150","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919118030150/doc4.xml","form_type":"4"}},{"id":3933707,"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":"2018-05-15T18:19:59.000Z","date":"2018-05-14","kind":"tax_withholding","acquired":false,"shares":2177,"price":6.88,"value":14977.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents 2,177 shares tendered to the company to satisfy the reporting person's tax withholding obligation upon the vesting on May 14, 2018 of restricted stock awarded on May 14, 2015; not an open market transaction."}],"balance_after":108933,"source":{"system":"sec-edgar","filing":"0001209191-18-030150","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919118030150/doc4.xml","form_type":"4"}},{"id":3933706,"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":"2018-05-15T18:19:59.000Z","date":"2018-05-12","kind":"tax_withholding","acquired":false,"shares":2443,"price":6.89,"value":16832.27,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 2,443 shares tendered to the company to satisfy the reporting person's tax withholding obligation upon the vesting on May 12, 2018 of restricted stock awarded on May 12, 2016; not an open market transaction."}],"balance_after":111110,"source":{"system":"sec-edgar","filing":"0001209191-18-030150","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919118030150/doc4.xml","form_type":"4"}},{"id":4069259,"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":"2018-02-09T21:51:09.000Z","date":"2018-02-08","kind":"purchase","acquired":true,"shares":5000,"price":4.62,"value":23100.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares purchased at open market."},{"field":"shares","element":"transactionShares","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 113,553 shares directly."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 113,553 shares directly."}],"balance_after":113553,"source":{"system":"sec-edgar","filing":"0001209191-18-008890","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919118008890/doc4a.xml","form_type":"4/A","original_submission_date":"2018-02-09"}},{"id":4069258,"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":"2018-02-09T18:36:51.000Z","date":"2018-02-09","kind":"purchase","acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares purchased at open market."},{"field":"shares","element":"transactionShares","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 113,553 shares directly."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person holds 113,553 shares directly."}],"balance_after":113553,"source":{"system":"sec-edgar","filing":"0001209191-18-008757","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919118008757/doc4.xml","form_type":"4"}},{"id":4248847,"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":"2017-07-31T20:24:48.000Z","date":"2017-07-28","kind":"grant","acquired":true,"shares":72000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The restricted stock was granted on July 27, 2017. The award will vest as follows: (a) 36,000 shares will vest in three equal annual installments beginning July 27, 2018, and (b) 36,000 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 hold 108,553 shares directly."}],"balance_after":108553,"source":{"system":"sec-edgar","filing":"0001209191-17-046679","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919117046679/doc4.xml","form_type":"4"}},{"id":4319476,"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":"2017-05-16T20:36:54.000Z","date":"2017-05-14","kind":"tax_withholding","acquired":false,"shares":2307,"price":4.06,"value":9366.42,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares tendered to satisfy the reporting person's tax withholding obligation upon the vesting on May 14, 2017 of restricted stock awarded on December 10, 2015; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Following all the transactions reported on this Form 4, the reporting person hold 36,553 shares directly."}],"balance_after":36553,"source":{"system":"sec-edgar","filing":"0001209191-17-032686","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919117032686/doc4.xml","form_type":"4"}},{"id":4319475,"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":"2017-05-16T20:36:54.000Z","date":"2017-05-14","kind":"tax_withholding","acquired":false,"shares":2307,"price":4.06,"value":9366.42,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares tendered to satisfy the reporting person's tax withholding obligation upon the vesting on May 14, 2017 of restricted stock awarded on May 14, 2015; not an open market transaction."}],"balance_after":38860,"source":{"system":"sec-edgar","filing":"0001209191-17-032686","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919117032686/doc4.xml","form_type":"4"}},{"id":4319474,"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":"2017-05-16T20:36:54.000Z","date":"2017-05-12","kind":"tax_withholding","acquired":false,"shares":2466,"price":4.06,"value":10011.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares tendered to satisfy the reporting person's tax withholding obligation upon the vesting on May 12, 2017 of restricted stock awarded on May 12, 2016; not an open market transaction."}],"balance_after":41167,"source":{"system":"sec-edgar","filing":"0001209191-17-032686","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919117032686/doc4.xml","form_type":"4"}},{"id":4323827,"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":"2017-05-12T20:26:57.000Z","date":"2017-05-10","kind":"purchase","acquired":true,"shares":6250,"price":4,"value":25000.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares purchased in the Company's public offering at $4.00 per share."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person hold 43,633 shares directly."}],"balance_after":43633,"source":{"system":"sec-edgar","filing":"0001209191-17-031956","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919117031956/doc4.xml","form_type":"4"}},{"id":4329065,"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":"2017-05-09T20:23:47.000Z","date":"2018-05-08","kind":"tax_withholding","acquired":false,"shares":2617,"price":4.06,"value":10625.02,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares tendered to satisfy the reporting person's tax withholding obligation upon the vesting on May 8, 2017 of restricted stock awarded on August 1, 2014; not an open market transaction."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Following all the transactions reported on this Form 4, the reporting person hold 37,383 shares directly."}],"balance_after":37383,"source":{"system":"sec-edgar","filing":"0001209191-17-030939","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/880807/000120919117030939/doc4.xml","form_type":"4"}}]}