What reason was given for the AMSC insider share sale?

The filing states the AMSC insider sale was made for tax planning purposes. A Form 4 footnote explains the sales reported were executed by the reporting person specifically for tax planning, providing context for the relatively small share sale.

AMSC director sells 200 shares at $34.10

American Superconductor Corp. director David R. Oliver Jr. reported an open-market sale of common stock.

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Form Type

Rhea-AI Filing Summary

American Superconductor Corp. director David R. Oliver Jr. reported an open-market sale of common stock. On February 24, 2026, he sold 200 shares of American Superconductor common stock at a price of $34.10 per share in a sale classified as an open-market transaction.

According to the filing footnotes, these sales were made by the reporting person for tax planning purposes. After completing the reported transaction, Oliver directly holds 60,707 shares of American Superconductor common stock.

Insider Trade Summary

Net Seller: 200 shares

Net Sell 1 txn

Insider OLIVER DAVID R JR

Role Director

Sold 200 shs ($7K)

Type	Security	Shares	Price	Value
Sale	Common Stock	200	$34.10	$7K

Holdings After Transaction: Common Stock — 60,707 shares (Direct)

Footnotes (2)

F1. The sales reported on this Form 4 were made by the reporting person for tax planning purposes.
F2. Following all the transactions reported on this Form 4, the reporting person holds 60,707 shares directly.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did AMSC director David R. Oliver Jr. report?

AMSC director David R. Oliver Jr. reported selling 200 shares of common stock. The sale occurred on February 24, 2026 at $34.10 per share in an open-market transaction, according to the Form 4 filing and its transaction details.

At what price did the AMSC director sell his American Superconductor shares?

The AMSC director sold his American Superconductor common shares at $34.10 per share. This price applies to the 200 shares sold in an open-market transaction reported on the Form 4 insider trading report filed for February 24, 2026.

How many AMSC shares does David R. Oliver Jr. own after this Form 4 sale?

After the reported sale, David R. Oliver Jr. directly owns 60,707 AMSC common shares. A Form 4 footnote confirms this post-transaction holding, stating the reporting person holds 60,707 shares directly following all transactions reported.

Is the AMSC insider sale by David R. Oliver Jr. a direct ownership transaction?

Yes, the AMSC insider sale involves directly held shares of common stock. The Form 4 identifies the ownership type as direct and a footnote confirms that after these transactions the reporting person holds 60,707 shares directly in American Superconductor.

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Accepted by SEC EDGAR 02/26/2026 - 05:13 PM EST

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^*

OLIVER DAVID R JR

(Last)

(First)

(Middle)

C/O AMERICAN SUPERCONDUCTOR CORPORATION

114 EAST MAIN ST

(Street)

AYER

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)
02/24/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/24/2026		S⁽¹⁾		200	D	$34.1	60,707⁽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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The sales reported on this Form 4 were made by the reporting person for tax planning purposes.

2. Following all the transactions reported on this Form 4, the reporting person holds 60,707 shares directly.

	/s/ John R. Samia, Attorney-in-Fact	02/26/2026
	** 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.

Source: View Original Filing on SEC EDGAR