Kosiba John W JR
SEC CIK 1703463 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | SVP, CFO, Treas | 334.4K | $136.0K | $11.27M | 27 | 2021-07-01 | 2026-06-11 |
Most active insiders at AMSC, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | McGahn Daniel P | COB, Pres, CEO, Dir | — | $5.32M |
| 2 | Kosiba John W JR | SVP, CFO, Treas | — | $2.32M |
| 3 | Dambier Laura A. | Dir | — | $150.5K |
| 4 | OLIVER DAVID R JR | Dir | — | $6,820 |
| 5 | Donnelly Terence Robert | Dir | — | — |
| 6 | Klein Margaret D. | Dir | — | — |
| 7 | Littlefield Barbara G. | Dir | — | — |
| 8 | House Arthur H | Dir | — | — |
Transactions 27
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-06-11 16:31 | 2026-06-11 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $37.46 | -6,769 | 334.4K | -2% | -$253.6K |
| MT | 2026-06-10 16:55 | 2026-06-08 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $41.77 | -4,835 | 341.1K | -1% | -$202.0K |
| T | 2026-06-03 16:15 | 2026-06-01 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | A - Grant | $0.00 | +30.0K | 382.9K | +9% | $0 |
| MT | 2026-06-03 16:15 | 2026-06-02+ | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $50.45 | -36.9K | 346.0K | -10% | -$1.86M |
| I | 2025-08-06 | 2025-08-04 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $55.26 | -9,843 | 0 | -100% | -$543.9K |
| M | 2025-08-06 | 2025-08-04 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $54.59 | -50.0K | 352.9K | -12% | -$2.73M |
| MT | 2025-06-12 | 2025-06-11 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $28.57 | -6,642 | 402.9K | -2% | -$189.8K |
| T | 2025-06-09 | 2025-06-06 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $31.83 | -4,744 | 409.5K | -1% | -$151.0K |
| MT | 2025-05-29 | 2025-05-27 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $26.40 | -50.0K | 454.2K | -10% | -$1.32M |
| T | 2025-05-22 | 2025-05-20 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $24.50 | -11.9K | 464.3K | -2% | -$290.6K |
| 2025-05-19 | 2025-05-15 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | A - Grant | $0.00 | +120.0K | 476.1K | +34% | $0 | |
| 2024-11-06 | 2024-11-04 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $28.28 | -50.0K | 356.1K | -12% | -$1.41M | |
| 2024-09-30 | 2024-09-26 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | A - Grant | $0.00 | +90.0K | 406.1K | +28% | $0 | |
| T | 2024-06-12 | 2024-06-11 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $21.68 | -32.0K | 316.1K | -9% | -$693.8K |
| MT | 2024-05-23 | 2024-05-21 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $14.82 | -29.0K | 350.3K | -8% | -$429.7K |
| M | 2023-06-23 | 2023-06-21+ | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $6.08 | -80.0K | 377.1K | -18% | -$486.1K |
| 2023-06-20 | 2023-06-15 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | A - Grant | $0.00 | +105.0K | 458.8K | +30% | $0 | |
| 2023-06-20 | 2023-06-15 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | D - Sale to Iss | $0.00 | -1,613 | 457.1K | -0.4% | $0 | |
| 2022-12-19 | 2022-12-16 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | P - Purchase | $3.50 | +15.0K | 353.8K | +4% | +$52.5K | |
| 2022-12-13 | 2022-12-12 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | P - Purchase | $3.34 | +25.0K | 338.8K | +8% | +$83.5K | |
| 2022-10-21 | 2022-10-19 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | A - Grant | $0.00 | +125.0K | 313.8K | +66% | $0 | |
| 2022-06-13 | 2022-06-10 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $5.97 | -8,473 | 188.8K | -4% | -$50.6K | |
| 2022-06-02 | 2022-05-31 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $5.45 | -13.3K | 197.2K | -6% | -$72.6K | |
| 2021-12-13 | 2021-12-10 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $11.31 | -22.8K | 210.6K | -10% | -$257.3K | |
| M | 2021-11-02 | 2021-11-01+ | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $18.84 | -11.0K | 233.3K | -5% | -$207.4K |
| 2021-08-06 | 2021-08-05 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | A - Grant | $12.54 | +11.9K | 244.3K | +5% | +$149.8K | |
| 2021-07-06 | 2021-07-01 | AMSC | AMERICAN SUPERCONDUCTOR CORP /DE/ | Kosiba John W JR | SVP, CFO, Treas | S - Sale | $17.66 | -6,409 | 232.4K | -3% | -$113.2K |
Purchase Sale Sale after option exercise All abbreviations