Laura A. Dambier - 11 Jun 2026 Form 4 Insider Report for AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
12 Jun 2026, 16:11:27 UTC
Prior SEC filing
07 Apr 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ John R. Samia, Attorney-in-Fact

Key filing fact

Laura A. Dambier filed Form 4 for AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) on 12 Jun 2026.

Key facts

  • This page summarizes Laura A. Dambier's Form 4 filing for AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 12 Jun 2026, 16:11.

Change

  • Previous filing in this sequence was filed on 07 Apr 2026.
  • Current net transaction value: -$150,520.

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 0001933334 Primary reporting owner

Dambier Laura A.

Relationship
Director
Address
C/O AMERICAN SUPERCONDUCTOR CORPORATION, 114 EAST MAIN STREET, AYER
Signature
/s/ John R. Samia, Attorney-in-Fact
Signature date
12 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AMSC transaction

Common Stock

Sale

Transaction value
$150,520
Shares
-4,000
Change %
-21%
Price
$37.63
Shares after
14,992
Date
11 Jun 2026
Ownership
Direct
Footnotes
F1, F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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

Footnote F2

Following all the transactions reported on this Form 4, the reporting person holds 14,992 shares directly.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .