| Filed On | Filing |
|---|---|
| 21 Sep 2026 |
Form 4: Littlefield Barbara G., Director
Received 1,607 shares as a grant or award |
| 21 Sep 2026 |
8-K: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
(b) On September 17, 2026, Barbara G. Littlefield informed the Board of Directors (the “Board”) of American Superconductor Corporation of her resignation from the Board, effective at 12 p.m. eastern time on Friday, September 18, 2026. |
| 05 Aug 2026 | FORM 10-Q |
| 05 Aug 2026 | 8-K: Results of Operations and Financial Condition; Submission of Matters to a Vote of Security Holders |
| 31 Jul 2026 | SCHEDULE 13G/A |
| 18 Jun 2026 | ARS |
| 18 Jun 2026 | DEFA14A |
| 18 Jun 2026 |
Proxy statement: annual meeting on July 31, 2026
say-on-pay vote |
| 12 Jun 2026 |
Form 4: Dambier Laura A., Director
Sold 4,000 shares ($151K) |
| 11 Jun 2026 | 144 |
| 11 Jun 2026 |
Form 4: Kosiba John W Jr, SVP, CFO & Treasurer
Sold 6,769 shares ($254K) |
| 11 Jun 2026 |
Form 4: McGahn Daniel P, Director
Sold 16,117 shares ($604K) |
| 11 Jun 2026 | 144 |
| 10 Jun 2026 |
Form 4: Kosiba John W Jr, SVP, CFO & Treasurer
Sold 4,835 shares ($202K) |
| 10 Jun 2026 |
Form 4: McGahn Daniel P, Director
Sold 9,670 shares ($404K) |
| 10 Jun 2026 | 144 |
| 08 Jun 2026 | 144 |
| 08 Jun 2026 | 144 |
| 03 Jun 2026 | 144 |
| 03 Jun 2026 | 144 |
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