AMSC

SEC source: 0000950170-25-079157 · ownership.xml · nonDerivative · entry 2

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 414,276

F1 · kind: 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.

F3 · price: 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.

F4 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 414,276 shares directly.

SEC source: 0000950170-25-079157 · ownership.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 454,179

F1 · kind: 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.

F2 · price: 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.

SEC source: 0000950170-25-079138 · ownership.xml · derivative · entry 1

Donnelly Terence Robert · CIK 0002069768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,112

Underlying: Common Stock · 2,112 shares

Expires 2035-05-27

F1 · derivative.exercise_date: This grant of options was made in accordance with American Superconductor Corporation's Amended and Restated 2007 Director Stock Plan, as Amended. These options vest in equal annual installments over a 2-year period, and will be fully vested on May 27, 2027.

SEC source: 0000950170-25-076416 · ownership.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 464,276

F1 · kind: 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.

F2 · kind: Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards.

F3 · price: 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.

F4 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 464,276 shares directly.

SEC source: 0000950170-25-076404 · ownership.xml · nonDerivative · entry 1

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,427,141

F1 · kind: Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards.

F2 · kind: 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.

F3 · price: The sales were executed in multiple trades at prices ranging from $24.11-$24.89. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected.

F4 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 1,427,141 shares directly.

SEC source: 0000950170-25-074461 · ownership.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 476,136

F1 · shares: 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.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 476,136 shares directly.

SEC source: 0000950170-25-074454 · ownership.xml · nonDerivative · entry 1

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,439,956

F1 · shares: The restricted stock award was granted on May 15, 2025. The award will vest as follows: (a) 80,000 shares will vest in three equal annual installments beginning June 2, 2026, and (b) 160,000 shares will vest upon the achievement of specified performance objectives.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 1,439,956 shares directly.

SEC source: 0000950170-25-051187 · ownership.xml · nonDerivative · entry 1

Littlefield Barbara G. · CIK 0001777725 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,311

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan, as Amended.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 32,311 shares directly.

SEC source: 0000950170-25-051189 · ownership.xml · nonDerivative · entry 1

OLIVER DAVID R JR · CIK 0001376216 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,707

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan, as Amended.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 60,707 shares directly.

SEC source: 0000950170-25-051186 · ownership.xml · nonDerivative · entry 1

Klein Margaret D. · CIK 0001933357 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,876

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan, as Amended.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 15,876 shares directly.

SEC source: 0000950170-25-051183 · ownership.xml · nonDerivative · entry 1

House Arthur H · CIK 0001685155 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,663

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan, as Amended.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 48,663 shares directly.

SEC source: 0000950170-25-051168 · ownership.xml · nonDerivative · entry 1

Dambier Laura A. · CIK 0001933334 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,876

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan, as Amended.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 15,876 shares directly.

SEC source: 0000950170-24-122413 · ownership.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 356,136

F1 · price: 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.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 356,136 shares directly.

SEC source: 0000950170-24-110883 · ownership.xml · nonDerivative · entry 1

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,199,956

F1 · shares: The restricted stock award was granted on September 30, 2024. The award will vest as follows: (a) 60,000 shares will vest in three equal annual installments beginning June 5, 2025, and (b) 120,000 shares will vest upon the achievement of specified performance objectives.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 1,199,956 shares directly.

SEC source: 0000950170-24-110427 · ownership.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 406,136

F1 · shares: 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.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 406,136 shares directly.

SEC source: 0000950170-24-072273 · ownership.xml · nonDerivative · entry 1

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,019,956

F1 · kind: Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards.

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2023.

F3 · price: The sales were executed in multiple trades at prices ranging from $21.28-$22.03. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected.

F4 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 1,019,956 shares directly.

SEC source: 0000950170-24-072272 · ownership.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 316,136

F1 · kind: 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.

F2 · price: 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.

F3 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 316,136 shares directly.

SEC source: 0000950170-24-063992 · ownership.xml · nonDerivative · entry 2

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 348,136

F1 · kind: 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.

F3 · price: 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.

F4 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 348,136 shares directly.

SEC source: 0000950170-24-063992 · ownership.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 350,306

F1 · kind: 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.

F2 · price: 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.

SEC source: 0000950170-24-063979 · ownership.xml · nonDerivative · entry 2

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,057,121

F1 · kind: Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards.

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2023.

F4 · price: The sales were executed in multiple trades at prices ranging from $15.25-$15.41. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected.

F5 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 1,057,121 shares directly.

SEC source: 0000950170-24-063979 · ownership.xml · nonDerivative · entry 1

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,058,741

F1 · kind: Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards.

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2023.

F3 · price: 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.

SEC source: 0000950170-24-041906 · ownership.xml · nonDerivative · entry 1

Dambier Laura A. · CIK 0001933334 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,237

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 13,237 shares directly.

SEC source: 0000950170-24-041905 · ownership.xml · nonDerivative · entry 1

House Arthur H · CIK 0001685155 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,024

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 46,024 shares directly.

SEC source: 0000950170-24-041903 · ownership.xml · nonDerivative · entry 1

Klein Margaret D. · CIK 0001933357 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,237

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 13,237 shares directly.

SEC source: 0000950170-24-041899 · ownership.xml · nonDerivative · entry 1

OLIVER DAVID R JR · CIK 0001376216 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,068

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 58,068 shares directly.

SEC source: 0000950170-24-041901 · ownership.xml · nonDerivative · entry 1

Littlefield Barbara G. · CIK 0001777725 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,672

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 29,672 shares directly.

SEC source: 0001209191-23-039376 · doc4.xml · nonDerivative · entry 2

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,077,680

F1 · kind: 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.

F3 · price: The sales were executed in multiple trades at prices ranging from $5.735-$6.07. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected.

F4 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 1,077,680 shares directly.

SEC source: 0001209191-23-039350 · doc4.xml · nonDerivative · entry 2

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 377,136

F3 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on March 17, 2023.

F4 · price: 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.

F5 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 377,136 shares directly.

SEC source: 0001209191-23-039376 · doc4.xml · nonDerivative · entry 1

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,114,582

F1 · kind: 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.

F2 · price: The sales were executed in multiple trades at prices ranging from $6.07-$6.25. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected.

SEC source: 0001209191-23-039350 · doc4.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 407,014

F1 · kind: 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.

F2 · price: 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.

SEC source: 0001209191-23-038394 · doc4.xml · nonDerivative · entry 2

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 457,146

F2 · shares: 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 performance objective. As a result, these shares have been forfeited to the Company.

F3 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 457,146 shares directly.

SEC source: 0001209191-23-038394 · doc4.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 458,759

F1 · shares: 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.

SEC source: 0001209191-23-038383 · doc4.xml · nonDerivative · entry 2

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,188,384

F2 · shares: Represents 4,839 shares out of a total of 150,000 shares of restricted stock that were awarded on May 21, 2020 and would vest upon American Superconductor Corporation's (the "Company") achievement of specified performance objectives. On June 15, 2023, the Board of Directors of the Company certified that maximum-level performance was achieved with respect to the cumulative organic Grid revenues performance objective and between target-level and maximum-level performance was achieved with respect to the cumulative organic total revenues performance objective. As a result, these shares have been forfeited to the Company.

F3 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 1,188,384 shares directly.

SEC source: 0001209191-23-038383 · doc4.xml · nonDerivative · entry 1

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,193,223

F1 · shares: The restricted stock award was granted on June 15, 2023. The award will vest as follows: (a) 100,000 shares will vest in three equal annual installments beginning June 10, 2024, and (b) 150,000 shares will vest upon the achievement of specified performance objectives.

SEC source: 0001209191-23-023781 · doc4.xml · nonDerivative · entry 1

House Arthur H · CIK 0001685155 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,184

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 42,184 shares directly.

SEC source: 0001209191-23-023776 · doc4.xml · nonDerivative · entry 1

Klein Margaret D. · CIK 0001933357 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,397

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 9,397 shares directly.

SEC source: 0001209191-23-023769 · doc4.xml · nonDerivative · entry 1

Dambier Laura A. · CIK 0001933334 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,397

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 9,397 shares directly.

SEC source: 0001209191-23-023766 · doc4.xml · nonDerivative · entry 1

Littlefield Barbara G. · CIK 0001777725 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,832

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 25,832 shares directly.

SEC source: 0001209191-23-023763 · doc4.xml · nonDerivative · entry 1

OLIVER DAVID R JR · CIK 0001376216 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,228

F1 · date: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 54,228 shares directly.

SEC source: 0001209191-22-061904 · doc4.xml · nonDerivative · entry 1

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 943,223

F1 · price: The purchases were executed in multiple trades at prices ranging from $3.439-$3.50. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 943,223 shares directly.

SEC source: 0001209191-22-061893 · doc4.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 353,759

F1 · price: 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.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 353,759 shares directly.

SEC source: 0001209191-22-060921 · doc4.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 338,759

F1 · price: 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.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 338,759 shares directly.

SEC source: 0001209191-22-055316 · doc4.xml · nonDerivative · entry 1

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 918,223

F1 · shares: The restricted stock award was granted on October 31, 2022. The award will vest as follows: (a) 100,000 shares will vest in three equal annual installments beginning May 19, 2023, and (b) 150,000 shares will vest upon the achievement of specified performance objectives.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 918,223 shares directly.

SEC source: 0001209191-22-054266 · doc4.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 313,759

F1 · shares: 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.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 313,759 shares directly.

SEC source: 0000950170-25-104155 · ownership.xml · nonDerivative · entry 1

Klein Margaret D. · CIK 0001933357 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,376

F1 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 16,376 shares directly.

SEC source: 0001209191-22-036360 · doc4.xml · nonDerivative · entry 1

McGahn Daniel P · CIK 0001425153 · Director · Chairman, President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 668,223

F1 · kind: The reporting person received an award of 75,000 shares of restricted stock on October 31, 2019 that would vest upon American Superconductor Corporation's (the "Company") achievement of specified performance objectives. On June 9, 2022, the Board of Directors of the Company certified that maximum-level performance was achieved with respect to all such performance objectives. As a result, these shares have been fully vested. Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of a restricted stock award. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan.

F2 · price: 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.

F3 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 668,223 shares directly.

SEC source: 0001209191-22-036335 · doc4.xml · nonDerivative · entry 1

BUDHRAJA VIKRAM S · CIK 0001284516 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,299

F1 · shares: This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in connection with Mr. Budhraja's departure from the Company's Board in accordance with the Company's Amended and Restated 2007 Director Stock Plan.

F2 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 59,299 shares directly.

SEC source: 0001209191-22-036351 · doc4.xml · nonDerivative · entry 1

Kosiba John W JR · CIK 0001703463 · SVP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,759

F1 · kind: 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 stock award. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan.

F2 · price: 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.

F3 · balance_after: Following all the transactions reported on this Form 4, the reporting person holds 188,759 shares directly.

SEC source: 0001209191-22-036623 · doc4.xml · derivative · entry 1

Dambier Laura A. · CIK 0001933334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,282

Underlying: Common Stock · 10,282 shares

Expires 2032-06-10

F1 · derivative.exercise_date: This grant of options was made in accordance with American Superconductor Corporation's Amended and Restated 2007 Director Stock Plan. These options vest in equal annual installments over a 2-year period, and will be fully vested on June 10, 2024.

SEC source: 0001209191-22-036620 · doc4.xml · derivative · entry 1

Klein Margaret D. · CIK 0001933357 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,282

Underlying: Common Stock · 10,282 shares

Expires 2032-06-10

F1 · derivative.exercise_date: The grant of options was made in accordance with American Superconductor Corporation's Amended and Restated 2007 Director Stock Plan. These options vest in equal annual installments over a 2-year period, and will be fully vested on June 10, 2024.