AMSC director receives 3,116 stock award shares

OLIVER DAVID R JR reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

OLIVER DAVID R JR reported acquisition or exercise transactions in this Form 4 filing.

American Superconductor director David R. Oliver Jr. received a grant of 3,116 shares of Common Stock on April 3, 2026. The shares were awarded at a price of $0.00 per share, reflecting a stock-based compensation grant rather than a market purchase.

According to the footnotes, this award consisted of immediately vested shares made under the company’s Amended and Restated 2007 Director Stock Plan. Following this grant, Oliver directly holds 63,823 shares of American Superconductor common stock.

Insider Trade Summary

Grant/Award: 3,116 shares

Grant/Award 1 txn

Insider OLIVER DAVID R JR

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	3,116	$0.00	$0.00

Holdings After Transaction: Common Stock — 63,823 shares (Direct)

Footnotes (2)

1. F1. 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.
2. F2. Following all the transactions reported on this Form 4, the reporting person holds 63,823 shares directly.

Key Figures

Stock award size: 3,116 shares Grant price: $0.00 per share Holdings after transaction: 63,823 shares

3 metrics

Stock award size 3,116 shares Common Stock granted on April 3, 2026

Grant price $0.00 per share Director stock award, non-market transaction

Holdings after transaction 63,823 shares Direct holdings following all reported transactions

Key Terms

Form 4, immediately vested shares, Amended and Restated 2007 Director Stock Plan

3 terms

Form 4 regulatory

"Following all the transactions reported on this Form 4, the reporting person holds 63,823 shares directly."

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

immediately vested shares financial

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

Amended and Restated 2007 Director Stock Plan financial

"was made in accordance with the Company's Amended and Restated 2007 Director Stock Plan, as Amended."

FAQ

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

What did AMSC director David R. Oliver Jr. report on this Form 4?

Director David R. Oliver Jr. reported receiving 3,116 shares of American Superconductor common stock as a stock grant. The award was made at $0.00 per share and increased his direct holdings to 63,823 shares following the transaction.

Was the AMSC Form 4 transaction a market purchase or a stock grant?

The Form 4 shows a stock grant, not a market purchase. Oliver received 3,116 shares at $0.00 per share, described as an award of immediately vested shares under American Superconductor’s Amended and Restated 2007 Director Stock Plan.

How many AMSC shares does David R. Oliver Jr. hold after this award?

After the reported grant, David R. Oliver Jr. directly holds 63,823 shares of American Superconductor common stock. This total reflects his position following all transactions reported in the Form 4, including the 3,116-share director stock award.

What is the size of the stock award reported for AMSC director Oliver?

The reported stock award is 3,116 shares of American Superconductor common stock. These shares were granted at $0.00 per share and are described as immediately vested, issued under the company’s Amended and Restated 2007 Director Stock Plan for directors.

Under what plan was the AMSC director’s stock award granted?

The 3,116-share award to David R. Oliver Jr. was granted under American Superconductor’s Amended and Restated 2007 Director Stock Plan, as amended. The footnote specifies that the shares were immediately vested common stock awarded in accordance with this director compensation plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/07/2026 - 05:42 PM Learn about SEC filing dates

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 MASSACHUSETTS 01432

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	04/03/2026(1)		A		3,116	A	$0	63,823(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

Explanation of Responses:

1. 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.

2. Following all the transactions reported on this Form 4, the reporting person holds 63,823 shares directly.

	/s/ John R. Samia, Attorney-in-Fact	04/07/2026
	** 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.
* Form 4: SEC 1474 (03-26)