Form 4 for AMSC AMERICAN SUPERCONDUCTOR CORP /DE/
Accepted 2026-09-21 17:22:19 ET · period of report 2026-09-18 · accession 0001193125-26-396831 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-21 17:22 | 2026-09-18 | AMSC | Littlefield Barbara G. | Dir | A - Grant | $0.00 | +1,607 | 37.0K | +5% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-09-18 | A | A | 1,607 | $0.00 | 37,034 | D | — | — | (F1) This 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. (F2) Following all the transactions reported on this Form 4, the reporting person holds 37,034 shares directly. |