STOCK TITAN

[Form 4] American Superconductor Corp Insider Trading Activity

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

Arthur H. House, a director of American Superconductor Corporation (AMSC), filed a Form 4 reporting stock option-related activity and an open-market sale. The filing shows a transaction dated 08/06/2025 related to a $6.80 exercise-price stock option covering 9,703 shares and a sale on 08/08/2025 of 9,703 common shares at $50.9205 per share. The Form 4 states the shares were sold for tax and estate planning purposes. Following these transactions the reporting person directly holds 48,663 shares. The filing also references the Amended and Restated 2007 Director Stock Plan and provides vesting/grant timing for the option.

Arthur H. House, membro del consiglio di American Superconductor Corporation (AMSC), ha presentato un Modulo 4 che segnala operazioni legate a opzioni su azioni e una vendita sul mercato aperto. La comunicazione indica una transazione datata 08/06/2025 relativa a un'opzione con prezzo di esercizio di $6.80 su 9,703 azioni e una vendita il 08/08/2025 di 9,703 azioni ordinarie a $50.9205 per azione. Il Modulo 4 specifica che le azioni sono state vendute per motivazioni fiscali e di pianificazione patrimoniale. Dopo queste operazioni la persona segnalante detiene direttamente 48,663 azioni. La comunicazione fa inoltre riferimento al Amended and Restated 2007 Director Stock Plan e fornisce le tempistiche di vesting e di assegnazione per l'opzione.

Arthur H. House, director de American Superconductor Corporation (AMSC), presentó un Formulario 4 en el que informa sobre actividad relacionada con opciones sobre acciones y una venta en el mercado abierto. El documento muestra una transacción fechada el 08/06/2025 relativa a una opción con precio de ejercicio de $6.80 que cubre 9,703 acciones y una venta el 08/08/2025 de 9,703 acciones ordinarias a $50.9205 por acción. El Formulario 4 indica que las acciones se vendieron por motivos fiscales y de planificación patrimonial. Tras estas operaciones, la persona informante posee directamente 48,663 acciones. El documento también hace referencia al Amended and Restated 2007 Director Stock Plan y precisa los plazos de adquisición y de concesión de la opción.

Arthur H. House는 American Superconductor Corporation(AMSC)의 이사로, 주식매수선택권 관련 거래 및 장외매도를 보고하는 Form 4를 제출했습니다. 제출서류에는 08/06/2025자 거래로 $6.80 행사가격의 주식옵션 9,703주에 관한 사항과 08/08/20259,703 보통주를 주당 $50.9205에 매도한 내역이 기재되어 있습니다. Form 4는 해당 주식이 세무 및 유산 계획 목적으로 매도되었다고 밝히고 있습니다. 이들 거래 이후 보고인은 직접적으로 48,663주를 보유하고 있습니다. 제출서류는 또한 Amended and Restated 2007 Director Stock Plan을 언급하며 옵션의 권리발생(베스팅) 및 부여 시기를 제공합니다.

Arthur H. House, administrateur d'American Superconductor Corporation (AMSC), a déposé un formulaire 4 faisant état d'une opération liée à des stock-options et d'une vente sur le marché ouvert. Le dossier indique une transaction datée du 08/06/2025 relative à une option d'exercice au prix de $6.80 couvrant 9,703 actions, ainsi qu'une vente le 08/08/2025 de 9,703 actions ordinaires au prix de $50.9205 par action. Le formulaire 4 précise que les actions ont été vendues pour des raisons fiscales et de planification successorale. À la suite de ces opérations, la personne déclarée détient directement 48,663 actions. Le dépôt renvoie également au Amended and Restated 2007 Director Stock Plan et fournit le calendrier d'acquisition et d'attribution de l'option.

Arthur H. House, ein Direktor von American Superconductor Corporation (AMSC), reichte ein Formular 4 ein, in dem Aktivitäten im Zusammenhang mit Aktienoptionen und ein Verkauf am offenen Markt gemeldet werden. Das Dokument weist eine Transaktion vom 08/06/2025 aus, die eine Aktienoption mit Ausübungspreis von $6.80 für 9,703 Aktien betrifft, sowie einen Verkauf am 08/08/2025 von 9,703 Stammaktien zu $50.9205 pro Aktie. Im Formular 4 wird angegeben, dass die Aktien aus steuerlichen und nachlassplanerischen Gründen verkauft wurden. Nach diesen Transaktionen hält die meldende Person direkt 48,663 Aktien. Die Einreichung verweist außerdem auf den Amended and Restated 2007 Director Stock Plan und nennt Angaben zum Vesting- und Zuteilungszeitpunkt der Option.

Positive
  • Timely, detailed disclosure of insider transactions including dates, amounts, and sale price
  • Reason for sale disclosed (tax and estate planning), which improves transparency
Negative
  • Sale of 9,703 shares on 08/08/2025 reduced direct holdings to 48,663 shares
  • Transaction involved previously issued option related to 9,703 shares (exercise price $6.80), which is a dilution-related item investors may note

Insights

Director sold 9,703 AMSC shares at $50.9205; holdings fell to 48,663—sale disclosed as tax and estate planning.

The Form 4 documents a sale of 9,703 common shares on 08/08/2025 at $50.9205 and an associated stock-option-related transaction dated 08/06/2025 with a stated exercise/conversion price of $6.80 covering 9,703 shares. The filer states the sale was for tax and estate planning. From an investor-significance perspective this is a routine, disclosed insider sale rather than an operational update; the filing provides concrete quantities and prices enabling precise calculation of proceeds and post-transaction ownership.

Form 4 shows timely disclosure and explains the sale as tax/estate planning; option grant details are included under the director plan.

The filing identifies the reporting person as a director and documents both an option-related item and a sale of the same number of shares, with an explicit explanation that the sale was for tax and estate planning. The Form references the 2007 Director Stock Plan and provides vesting/grant history. There are no governance red flags or allegations in the filing; the disclosure appears compliant and detailed regarding dates, amounts, and rationale.

Arthur H. House, membro del consiglio di American Superconductor Corporation (AMSC), ha presentato un Modulo 4 che segnala operazioni legate a opzioni su azioni e una vendita sul mercato aperto. La comunicazione indica una transazione datata 08/06/2025 relativa a un'opzione con prezzo di esercizio di $6.80 su 9,703 azioni e una vendita il 08/08/2025 di 9,703 azioni ordinarie a $50.9205 per azione. Il Modulo 4 specifica che le azioni sono state vendute per motivazioni fiscali e di pianificazione patrimoniale. Dopo queste operazioni la persona segnalante detiene direttamente 48,663 azioni. La comunicazione fa inoltre riferimento al Amended and Restated 2007 Director Stock Plan e fornisce le tempistiche di vesting e di assegnazione per l'opzione.

Arthur H. House, director de American Superconductor Corporation (AMSC), presentó un Formulario 4 en el que informa sobre actividad relacionada con opciones sobre acciones y una venta en el mercado abierto. El documento muestra una transacción fechada el 08/06/2025 relativa a una opción con precio de ejercicio de $6.80 que cubre 9,703 acciones y una venta el 08/08/2025 de 9,703 acciones ordinarias a $50.9205 por acción. El Formulario 4 indica que las acciones se vendieron por motivos fiscales y de planificación patrimonial. Tras estas operaciones, la persona informante posee directamente 48,663 acciones. El documento también hace referencia al Amended and Restated 2007 Director Stock Plan y precisa los plazos de adquisición y de concesión de la opción.

Arthur H. House는 American Superconductor Corporation(AMSC)의 이사로, 주식매수선택권 관련 거래 및 장외매도를 보고하는 Form 4를 제출했습니다. 제출서류에는 08/06/2025자 거래로 $6.80 행사가격의 주식옵션 9,703주에 관한 사항과 08/08/20259,703 보통주를 주당 $50.9205에 매도한 내역이 기재되어 있습니다. Form 4는 해당 주식이 세무 및 유산 계획 목적으로 매도되었다고 밝히고 있습니다. 이들 거래 이후 보고인은 직접적으로 48,663주를 보유하고 있습니다. 제출서류는 또한 Amended and Restated 2007 Director Stock Plan을 언급하며 옵션의 권리발생(베스팅) 및 부여 시기를 제공합니다.

Arthur H. House, administrateur d'American Superconductor Corporation (AMSC), a déposé un formulaire 4 faisant état d'une opération liée à des stock-options et d'une vente sur le marché ouvert. Le dossier indique une transaction datée du 08/06/2025 relative à une option d'exercice au prix de $6.80 couvrant 9,703 actions, ainsi qu'une vente le 08/08/2025 de 9,703 actions ordinaires au prix de $50.9205 par action. Le formulaire 4 précise que les actions ont été vendues pour des raisons fiscales et de planification successorale. À la suite de ces opérations, la personne déclarée détient directement 48,663 actions. Le dépôt renvoie également au Amended and Restated 2007 Director Stock Plan et fournit le calendrier d'acquisition et d'attribution de l'option.

Arthur H. House, ein Direktor von American Superconductor Corporation (AMSC), reichte ein Formular 4 ein, in dem Aktivitäten im Zusammenhang mit Aktienoptionen und ein Verkauf am offenen Markt gemeldet werden. Das Dokument weist eine Transaktion vom 08/06/2025 aus, die eine Aktienoption mit Ausübungspreis von $6.80 für 9,703 Aktien betrifft, sowie einen Verkauf am 08/08/2025 von 9,703 Stammaktien zu $50.9205 pro Aktie. Im Formular 4 wird angegeben, dass die Aktien aus steuerlichen und nachlassplanerischen Gründen verkauft wurden. Nach diesen Transaktionen hält die meldende Person direkt 48,663 Aktien. Die Einreichung verweist außerdem auf den Amended and Restated 2007 Director Stock Plan und nennt Angaben zum Vesting- und Zuteilungszeitpunkt der Option.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
House Arthur H

(Last) (First) (Middle)
C/O AMERICAN SUPERCONDUCTOR CORPORATION
114 EAST MAIN ST

(Street)
AYER MA 01432

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
AMERICAN SUPERCONDUCTOR CORP /DE/ [ AMSC ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
08/06/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/06/2025 M 9,703 A $6.8 58,366 D
Common Stock 08/08/2025 S(1) 9,703 D $50.9205 48,663(2) D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Options (Right to Buy) $6.8 08/06/2025 M 9,703 (3) 09/20/2026 Common Stock 9,703 $0.00 0 D
Explanation of Responses:
1. The sales reported on this Form 4 were made by the reporting person for tax and estate planning purposes.
2. Following all the transactions reported on this Form 4, the reporting person holds 48,663 shares directly.
3. The stock option was automatically granted under the Amended and Restated 2007 Director Stock Plan on the third business day following the reporting person's election to the Board. The stock option vested in two equal annual installments beginning September 20, 2017, and became fully vested and exerciseable on September 20, 2018.
/s/ John R. Samia, Attorney-in-Fact 08/08/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Arthur H. House report on the AMSC Form 4?

He reported a stock-option-related transaction dated 08/06/2025 and a sale of 9,703 common shares on 08/08/2025 at $50.9205 per share.

How many shares did the director sell and at what price (AMSC)?

9,703 shares sold at $50.9205 per share on 08/08/2025.

Why were the AMSC shares sold according to the filing?

The filing states the sales were made for tax and estate planning purposes.

How many AMSC shares does the reporting person hold after the transactions?

48,663 shares held directly following the reported transactions.

Was there an option involved in the transactions disclosed on the AMSC Form 4?

Yes. The Form discloses a stock option with a $6.80 exercise/conversion price covering 9,703 shares and references the Amended and Restated 2007 Director Stock Plan and vesting history.
American Superconductor Corp

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