NASDAQ:AMSC
American Superconductor Corporation
- Stock
Share Trends
Recent Transactions
| Reporter | Filed at | Change (shares) |
|---|---|---|
Littlefield Barbara G. Director Common Stock | 2024-04-04 | 3.84K 14.87% |
Oliver David R Jr Director Common Stock | 2024-04-04 | 3.84K 7.08% |
House Arthur H Director Common Stock | 2024-04-04 | 3.84K 9.10% |
Klein Margaret D. Director Common Stock | 2024-04-04 | 3.84K 40.86% |
Dambier Laura A. Director Common Stock | 2024-04-04 | 3.84K 40.86% |
Largest Transactions
| Reporter | Filed at | Change (shares) |
|---|---|---|
Mcgahn Daniel P Chairman, President and CEO Common Stock | 2020-05-26 | 250K 47.79% |
Mcgahn Daniel P Chairman, President and CEO Common Stock | 2022-11-02 | 250K 37.41% |
Mcgahn Daniel P Chairman, President and CEO Common Stock | 2019-11-04 | 125K 30.12% |
Kosiba John W Jr SVP, CFO & Treasurer Common Stock | 2022-10-21 | 125K 66.22% |
Kosiba John W Jr SVP, CFO & Treasurer Common Stock | 2020-05-26 | 116.67K 58.28% |
Transaction Log
| Filing Date | Transaction Date | Reporter | Title | Post Shares | Quantity | T | Stock Class | USD |
|---|---|---|---|---|---|---|---|---|
2024-04-04 | 2024-04-03 | Oliver David R Jr | Director | 58.07K | 3.84K | A | Common Stock | 0 |
2024-04-04 | 2024-04-03 | House Arthur H | Director | 46.02K | 3.84K | A | Common Stock | 0 |
2024-04-04 | 2024-04-03 | Klein Margaret D. | Director | 13.24K | 3.84K | A | Common Stock | 0 |
2024-04-04 | 2024-04-03 | Littlefield Barbara G. | Director | 29.67K | 3.84K | A | Common Stock | 0 |
2024-04-04 | 2024-04-03 | Dambier Laura A. | Director | 13.24K | 3.84K | A | Common Stock | 0 |
2023-06-23 | 2023-06-21 | Mcgahn Daniel P | Chairman, President and CEO | 1.11M | 73.80K | S | Common Stock | -453.35K |
2023-06-23 | 2023-06-22 | Kosiba John W Jr | SVP, CFO & Treasurer | 377.14K | 29.88K | S | Common Stock | -177.82K |
2023-06-23 | 2023-06-21 | Kosiba John W Jr | SVP, CFO & Treasurer | 407.01K | 50.13K | S | Common Stock | -308.53K |
2023-06-23 | 2023-06-22 | Mcgahn Daniel P | Chairman, President and CEO | 1.08M | 36.90K | S | Common Stock | -219.60K |
2023-04-07 | 2023-04-05 | House Arthur H | Director | 42.18K | 11.63K | A | Common Stock | 0 |
2023-04-07 | 2023-04-05 | Littlefield Barbara G. | Director | 25.83K | 11.63K | A | Common Stock | 0 |
2023-04-07 | 2023-04-05 | Klein Margaret D. | Director | 9.40K | 9.40K | A | Common Stock | 0 |
2023-04-07 | 2023-04-05 | Oliver David R Jr | Director | 54.23K | 11.63K | A | Common Stock | 0 |
2023-04-07 | 2023-04-05 | Dambier Laura A. | Director | 9.40K | 9.40K | A | Common Stock | 0 |
2022-12-19 | 2022-12-16 | Kosiba John W Jr | SVP, CFO & Treasurer | 353.76K | 15K | P | Common Stock | 52.47K |
2022-12-19 | 2022-12-16 | Mcgahn Daniel P | Chairman, President and CEO | 943.22K | 25K | P | Common Stock | 87.27K |
2022-12-13 | 2022-12-12 | Kosiba John W Jr | SVP, CFO & Treasurer | 338.76K | 25K | P | Common Stock | 83.40K |
2022-11-02 | 2022-10-31 | Mcgahn Daniel P | Chairman, President and CEO | 918.22K | 250K | A | Common Stock | 0 |
2022-10-21 | 2022-10-19 | Kosiba John W Jr | SVP, CFO & Treasurer | 313.76K | 125K | A | Common Stock | 0 |
2022-06-13 | 2022-06-10 | Budhraja Vikram S | Director | 59.30K | 1.54K | A | Common Stock | 0 |
2022-06-13 | 2022-06-10 | Kosiba John W Jr | SVP, CFO & Treasurer | 188.76K | 8.47K | S | Common Stock | -50.62K |
2022-06-13 | 2022-06-10 | Mcgahn Daniel P | Chairman, President and CEO | 668.22K | 32.59K | S | Common Stock | -194.75K |
2022-06-02 | 2022-05-31 | Mcgahn Daniel P | Chairman, President and CEO | 700.81K | 21.73K | S | Common Stock | -118.48K |
2022-06-02 | 2022-05-31 | Kosiba John W Jr | SVP, CFO & Treasurer | 197.23K | 13.32K | S | Common Stock | -72.68K |
2022-04-06 | 2022-04-05 | Budhraja Vikram S | Director | 57.76K | 6.07K | A | Common Stock | 0 |
2022-04-06 | 2022-04-05 | Littlefield Barbara G. | Director | 14.21K | 6.07K | A | Common Stock | 0 |
2022-04-06 | 2022-04-05 | House Arthur H | Director | 30.56K | 6.07K | A | Common Stock | 0 |
2022-04-06 | 2022-04-05 | Oliver David R Jr | Director | 42.60K | 6.07K | A | Common Stock | 0 |
2021-12-13 | 2021-12-10 | Kosiba John W Jr | SVP, CFO & Treasurer | 210.56K | 22.75K | S | Common Stock | -257.41K |
2021-12-09 | 2021-12-08 | Budhraja Vikram S | Director | 51.69K | 3K | S | Common Stock | -35.94K |
2021-11-02 | 2021-11-01 | Kosiba John W Jr | SVP, CFO & Treasurer | 240.55K | 3.77K | S | Common Stock | -71.38K |
2021-11-02 | 2021-11-01 | Mcgahn Daniel P | Chairman, President and CEO | 722.53K | 7.24K | S | Common Stock | -137.30K |
2021-11-02 | 2021-11-02 | Kosiba John W Jr | SVP, CFO & Treasurer | 233.31K | 259 | S | Common Stock | -5.00K |
2021-11-02 | 2021-11-02 | Kosiba John W Jr | SVP, CFO & Treasurer | 233.57K | 6.98K | S | Common Stock | -131.08K |
2021-08-06 | 2021-08-05 | Mcgahn Daniel P | Chairman, President and CEO | 729.78K | 35.66K | A | Common Stock | 447.19K |
2021-08-06 | 2021-08-05 | Kosiba John W Jr | SVP, CFO & Treasurer | 244.32K | 11.94K | A | Common Stock | 149.77K |
2021-07-06 | 2021-07-01 | Mcgahn Daniel P | Chairman, President and CEO | 694.12K | 14.66K | S | Common Stock | -259.02K |
2021-07-06 | 2021-07-01 | Kosiba John W Jr | SVP, CFO & Treasurer | 232.38K | 6.41K | S | Common Stock | -113.18K |
2021-05-24 | 2021-05-20 | Mcgahn Daniel P | Chairman, President and CEO | 717.47K | 75K | A | Common Stock | 0 |
2021-05-24 | 2021-05-24 | Mcgahn Daniel P | Chairman, President and CEO | 708.78K | 8.69K | S | Common Stock | -123.28K |
2021-05-24 | 2021-05-20 | Kosiba John W Jr | SVP, CFO & Treasurer | 244.58K | 30K | A | Common Stock | 0 |
2021-05-24 | 2021-05-24 | Kosiba John W Jr | SVP, CFO & Treasurer | 238.78K | 5.79K | S | Common Stock | -82.14K |
2021-04-07 | 2021-04-05 | House Arthur H | Director | 24.49K | 2.07K | A | Common Stock | 0 |
2021-04-07 | 2021-04-05 | Littlefield Barbara G. | Director | 8.14K | 2.07K | A | Common Stock | 0 |
2021-04-07 | 2021-04-05 | Oliver David R Jr | Director | 36.53K | 2.07K | A | Common Stock | 0 |
2021-04-07 | 2021-04-05 | Budhraja Vikram S | Director | 54.69K | 2.07K | A | Common Stock | 0 |
2021-01-22 | 2021-01-21 | Kosiba John W Jr | SVP, CFO & Treasurer | 233.57K | 6.10K | S | Common Stock | -162.03K |
2021-01-22 | 2021-01-21 | Kosiba John W Jr | SVP, CFO & Treasurer | 214.58K | 10.66K | S | Common Stock | -298.78K |
2021-01-22 | 2021-01-21 | Kosiba John W Jr | SVP, CFO & Treasurer | 225.24K | 8.33K | S | Common Stock | -230.51K |
2020-11-30 | 2020-11-25 | Kosiba John W Jr | SVP, CFO & Treasurer | 239.67K | 25K | S | Common Stock | -481.96K |
2020-11-02 | 2020-10-31 | Mcgahn Daniel P | Chairman, President and CEO | 642.47K | 7.39K | F | Common Stock | -102.82K |
2020-11-02 | 2020-10-31 | Kosiba John W Jr | SVP, CFO & Treasurer | 271.99K | 3.77K | F | Common Stock | -52.50K |
2020-11-02 | 2020-11-01 | Kosiba John W Jr | SVP, CFO & Treasurer | 264.67K | 7.32K | F | Common Stock | -101.84K |
2020-07-29 | 2020-07-27 | Kosiba John W Jr | SVP, CFO & Treasurer | 275.77K | 5.23K | F | Common Stock | -50.92K |
2020-07-29 | 2020-07-27 | Mcgahn Daniel P | Chairman, President and CEO | 649.86K | 16.65K | F | Common Stock | -162.18K |
2020-06-30 | 2020-06-28 | Mcgahn Daniel P | Chairman, President and CEO | 666.51K | 14.97K | F | Common Stock | -108.97K |
2020-06-30 | 2020-06-28 | Kosiba John W Jr | SVP, CFO & Treasurer | 281.00K | 6.52K | F | Common Stock | -47.45K |
2020-05-26 | 2020-05-21 | Kosiba John W Jr | SVP, CFO & Treasurer | 316.84K | 116.67K | A | Common Stock | 0 |
2020-05-26 | 2020-05-21 | Mcgahn Daniel P | Chairman, President and CEO | 773.11K | 250K | A | Common Stock | 0 |
2020-04-07 | 2020-04-03 | Budhraja Vikram S | Director | 52.62K | 7.09K | A | Common Stock | 0 |
2020-04-07 | 2020-04-03 | Oliver David R Jr | Director | 34.46K | 7.09K | A | Common Stock | 0 |
2020-04-07 | 2020-04-03 | House Arthur H | Director | 22.42K | 7.09K | A | Common Stock | 0 |
2020-04-07 | 2020-04-03 | Littlefield Barbara G. | Director | 6.07K | 6.07K | A | Common Stock | 0 |
2019-12-23 | 2019-12-19 | Kosiba John W Jr | SVP, CFO & Treasurer | 200.17K | 10.29K | S | Common Stock | -78.50K |
2019-11-07 | 2019-11-05 | Kosiba John W Jr | SVP, CFO & Treasurer | 210.51K | 7.38K | D | Common Stock | 0 |
2019-11-07 | 2019-11-05 | Mcgahn Daniel P | Chairman, President and CEO | 523.11K | 16.88K | D | Common Stock | 0 |
2019-11-04 | 2019-10-31 | Mcgahn Daniel P | Chairman, President and CEO | 539.98K | 125K | A | Common Stock | 0 |
2019-11-04 | 2019-10-31 | Kosiba John W Jr | SVP, CFO & Treasurer | 225.21K | 45.50K | A | Common Stock | 0 |
2019-11-04 | 2019-11-01 | Kosiba John W Jr | SVP, CFO & Treasurer | 217.88K | 7.38K | F | Common Stock | -59.61K |
2019-07-30 | 2019-07-27 | Kosiba John W Jr | SVP, CFO & Treasurer | 179.71K | 5.31K | F | Common Stock | -46.75K |
2019-07-30 | 2019-07-27 | Mcgahn Daniel P | Chairman, President and CEO | 414.98K | 16.65K | F | Common Stock | -146.70K |
2019-07-02 | 2019-06-28 | Kosiba John W Jr | SVP, CFO & Treasurer | 185.02K | 6.53K | F | Common Stock | -60.59K |
2019-07-02 | 2019-06-28 | Mcgahn Daniel P | Chairman, President and CEO | 431.63K | 14.98K | F | Common Stock | -139.06K |
2019-05-24 | 2019-05-24 | Wood John W Jr | Director | 36.24K | 566 | A | Common Stock | 0 |
2019-05-14 | 2019-05-12 | Kosiba John W Jr | SVP, CFO & Treasurer | 191.55K | 2.37K | F | Common Stock | -26.23K |
2019-01-02 | 2018-12-28 | Kosiba John W Jr | SVP, CFO & Treasurer | 193.91K | 12.37K | S | Common Stock | -127.59K |
2018-12-11 | 2018-12-07 | Kosiba John W Jr | SVP, CFO & Treasurer | 206.29K | 6.25K | S | Common Stock | -66.15K |
2018-11-13 | 2018-11-08 | Kosiba John W Jr | SVP, CFO & Treasurer | 212.54K | 1.62K | F | Common Stock | -15.33K |
2018-11-13 | 2018-11-08 | Mcgahn Daniel P | Chairman, President and CEO | 446.62K | 3.75K | F | Common Stock | -35.52K |
2018-11-05 | 2018-11-01 | Kosiba John W Jr | SVP, CFO & Treasurer | 214.15K | 50K | A | Common Stock | 0 |