SEC Form 4 · accession 0001193125-26-396831
AMERICAN SUPERCONDUCTOR CORP /DE/ · AMSC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Barbara G. Littlefield
Director
Period of report
Sep 18, 2026
Accepted (ET)
Sep 21, 2026 · 5:22 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000880807
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Sep 18, 2026 | A | 1,607 | $0.00 | A | 37,034 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1This award of immediately vested shares of American Superconductor Corporation (the "Company") common stock was made in connection with Ms. Littlefield's departure from the Company's Board in accordance with the Company's Amended and Restated 2007 Director Stock Plan, as Amended.
- F2Following all the transactions reported on this Form 4, the reporting person holds 37,034 shares directly.