Kosiba John W JR
Insider CIK 1703463 · AMSC SVP, CFO & Treasurer
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2026-06-11 | 2026-06-11 | 1,743 | $37.85 | $66.0K | 334,377 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2026-06-11 | 2026-06-11 | 5,026 | $37.33 | $187.6K | 336,120 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2026-06-08 | 2026-06-10 | 1,549 | $42.35 | $65.6K | 341,146 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2026-06-08 | 2026-06-10 | 3,286 | $41.50 | $136.4K | 342,695 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2026-06-03 | 2026-06-03 | 3,200 | $48.31 | $154.6K | 349,228 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2026-06-03 | 2026-06-03 | 609 | $50.83 | $31.0K | 345,981 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2026-06-03 | 2026-06-03 | 2,638 | $49.28 | $130.0K | 346,590 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2026-06-02 | 2026-06-03 | 12,122 | $50.62 | $613.6K | 365,064 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2026-06-02 | 2026-06-03 | 12,036 | $51.47 | $619.5K | 353,028 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2026-06-02 | 2026-06-03 | 600 | $52.19 | $31.3K | 352,428 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2026-06-02 | 2026-06-03 | 5,704 | $49.46 | $282.1K | 377,186 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2026-06-01 | 2026-06-03 | 30,000 | — | $0 | 382,890 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2025-08-04 | 2025-08-06 | 15,740 | $55.13 | $867.7K | 352,890 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2025-08-04 | 2025-08-06 | 34,260 | $54.34 | $1.86M | 368,630 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2025-08-04 | 2025-08-06 | 9,843 | $55.26 | $543.9K | 0 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2025-06-11 | 2025-06-12 | 300 | $29.08 | $8.7K | 402,890 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2025-06-11 | 2025-06-12 | 6,342 | $28.55 | $181.1K | 403,190 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2025-06-06 | 2025-06-09 | 4,744 | $31.83 | $151.0K | 409,532 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2025-05-27 | 2025-05-29 | 10,097 | $25.55 | $258.0K | 454,179 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2025-05-27 | 2025-05-29 | 39,903 | $26.61 | $1.06M | 414,276 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2025-05-20 | 2025-05-22 | 11,860 | $24.50 | $290.6K | 464,276 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2025-05-15 | 2025-05-19 | 120,000 | — | $0 | 476,136 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2024-11-04 | 2024-11-06 | 50,000 | $28.28 | $1.41M | 356,136 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2024-09-26 | 2024-09-30 | 90,000 | — | $0 | 406,136 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2024-06-11 | 2024-06-12 | 32,000 | $21.68 | $693.8K | 316,136 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2024-05-21 | 2024-05-23 | 26,830 | $14.78 | $396.5K | 350,306 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2024-05-21 | 2024-05-23 | 2,170 | $15.30 | $33.2K | 348,136 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2023-06-22 | 2023-06-23 | 29,878 | $5.95 | $177.8K | 377,136 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2023-06-21 | 2023-06-23 | 50,132 | $6.15 | $308.3K | 407,014 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | D To issuer | 2023-06-15 | 2023-06-20 | 1,613 | — | $0 | 457,146 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2023-06-15 | 2023-06-20 | 105,000 | — | $0 | 458,759 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | P Buy | 2022-12-16 | 2022-12-19 | 15,000 | $3.50 | $52.5K | 353,759 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | P Buy | 2022-12-12 | 2022-12-13 | 25,000 | $3.34 | $83.5K | 338,759 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2022-10-19 | 2022-10-21 | 125,000 | — | $0 | 313,759 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2022-06-10 | 2022-06-13 | 8,473 | $5.97 | $50.6K | 188,759 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2022-05-31 | 2022-06-02 | 13,325 | $5.45 | $72.6K | 197,232 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2021-12-10 | 2021-12-13 | 22,754 | $11.31 | $257.3K | 210,557 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2021-11-02 | 2021-11-02 | 259 | $19.31 | $5.0K | 233,311 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2021-11-02 | 2021-11-02 | 6,983 | $18.77 | $131.1K | 233,570 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2021-11-01 | 2021-11-02 | 3,766 | $18.95 | $71.4K | 240,553 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2021-08-05 | 2021-08-06 | 11,943 | $12.54 | $149.8K | 244,319 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2021-07-01 | 2021-07-06 | 6,409 | $17.66 | $113.2K | 232,376 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2021-05-24 | 2021-05-24 | 5,794 | $14.18 | $82.2K | 238,785 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2021-05-20 | 2021-05-24 | 30,000 | — | $0 | 244,579 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2021-01-21 | 2021-01-22 | 10,661 | $28.03 | $298.8K | 214,579 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2021-01-21 | 2021-01-22 | 6,100 | $26.56 | $162.0K | 233,573 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2021-01-21 | 2021-01-22 | 8,333 | $27.66 | $230.5K | 225,240 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2020-11-25 | 2020-11-30 | 25,000 | $19.28 | $482.0K | 239,673 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2020-11-01 | 2020-11-02 | 7,321 | $13.91 | $101.8K | 264,673 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2020-10-31 | 2020-11-02 | 3,774 | $13.91 | $52.5K | 271,994 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2020-07-27 | 2020-07-29 | 5,228 | $9.74 | $50.9K | 275,768 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2020-06-28 | 2020-06-30 | 6,518 | $7.28 | $47.5K | 280,996 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | D To issuer | 2020-06-02 | 2020-06-04 | 24,000 | — | $0 | 292,838 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2020-06-02 | 2020-06-04 | 5,324 | $7.91 | $42.1K | 287,514 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2020-05-21 | 2020-05-26 | 116,667 | — | $0 | 316,838 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2019-12-19 | 2019-12-23 | 10,287 | $7.63 | $78.5K | 200,171 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | D To issuer | 2019-11-05 | 2019-11-07 | 7,375 | — | $0 | 210,508 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2019-11-01 | 2019-11-04 | 7,378 | $8.08 | $59.6K | 217,883 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2019-10-31 | 2019-11-04 | 45,500 | — | $0 | 225,211 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2019-07-27 | 2019-07-30 | 5,307 | $8.81 | $46.8K | 179,711 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2019-06-28 | 2019-07-02 | 6,529 | $9.28 | $60.6K | 185,018 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2019-05-12 | 2019-05-14 | 2,365 | $11.09 | $26.2K | 191,547 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2018-12-28 | 2019-01-02 | 12,374 | $10.31 | $127.6K | 193,912 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | S Sale | 2018-12-07 | 2018-12-11 | 6,250 | $10.58 | $66.1K | 206,286 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2018-11-08 | 2018-11-13 | 1,617 | $9.48 | $15.3K | 212,536 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2018-11-01 | 2018-11-05 | 50,000 | — | $0 | 214,153 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2018-08-02 | 2018-08-06 | 1,602 | $5.74 | $9.2K | 164,153 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2018-06-28 | 2018-07-02 | 59,000 | — | $0 | 165,755 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2018-05-14 | 2018-05-15 | 2,178 | $6.88 | $15.0K | 106,755 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2018-05-14 | 2018-05-15 | 2,177 | $6.88 | $15.0K | 108,933 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2018-05-12 | 2018-05-15 | 2,443 | $6.89 | $16.8K | 111,110 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2018-05-08 | 2017-05-09 | 2,617 | $4.06 | $10.6K | 37,383 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | P Buy | 2018-02-09 | 2018-02-09 | 5,000 | — | $0 | 113,553 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | P Buy | 2018-02-08 | 2018-02-09 | 5,000 | $4.62 | $23.1K | 113,553 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | A Award | 2017-07-28 | 2017-07-31 | 72,000 | — | $0 | 108,553 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2017-05-14 | 2017-05-16 | 2,307 | $4.06 | $9.4K | 38,860 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2017-05-14 | 2017-05-16 | 2,307 | $4.06 | $9.4K | 36,553 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | F Tax w/h | 2017-05-12 | 2017-05-16 | 2,466 | $4.06 | $10.0K | 41,167 | SEC↗ |
| AMSC AMERICAN SUPERCONDUCTOR CO | P Buy | 2017-05-10 | 2017-05-12 | 6,250 | $4.00 | $25.0K | 43,633 | SEC↗ |