Insider · CIK 0001703463
John W Kosiba Jr.
Files at: AMSC. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 11, 2026 SForm 4 → | Jun 11, 4:31 pm EDT | AMERICAN SUPERCONDUCTOR CORP /DE/AMSC | 6,769 | $37.46 | $253,579 | 334,377 | −1.98% | 10b5-1 |
| Jun 8, 2026 SForm 4 → | Jun 10, 4:55 pm EDT | AMERICAN SUPERCONDUCTOR CORP /DE/AMSC | 4,835 | $41.77 | $201,967 | 341,146 | −1.40% | 10b5-1 |
| Jun 2, 2026 SForm 4 → | Jun 3, 4:15 pm EDT | AMERICAN SUPERCONDUCTOR CORP /DE/AMSC | 36,909 | $50.45 | $1,862,034 | 345,981 | −9.64% | 10b5-1 |
| Jun 1, 2026 AForm 4 → | Jun 3, 4:15 pm EDT | AMERICAN SUPERCONDUCTOR CORP /DE/AMSC | 30,000 | — | — | 382,890 | — | 10b5-1 |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.