(AMSC)

Reporting relationship: Director
Issuer ticker: AMSC
Reported as of: 27 May 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 May 2025, 17:13:06 UTC
Next SEC filing: 07 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ John R. Samia, Attorney-in-Fact

Key filing fact

Terence Robert Donnelly filed Form 4 for AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) on 29 May 2025.

Key facts

This page summarizes Terence Robert Donnelly's Form 4 filing for AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 29 May 2025, 17:13.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002069768 Primary reporting owner

Donnelly Terence Robert

Relationship: Director
Address: C/O AMERICAN SUPERCONDUCTOR CORPORATION, 114 EAST MAIN ST, AYER
Signature: /s/ John R. Samia, Attorney-in-Fact
Signature date: 29 May 2025

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AMSC transaction Derivative

Stock Options (Right to Buy)

Award

Transaction value: $0
Shares: +2,112
Change %
Price: $0.000000
Shares after: 2,112
Date: 27 May 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,112
Exercise price: $27.38
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

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.