AMSC
AMERICAN SUPERCONDUCTOR CORP /DE/Company with tickers: AMSC
CIK
880807
CUSIP
030111207
Shares Outstanding
47,612,285
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
| Date | Insider | Role | Type | Shares |
|---|---|---|---|---|
| 2026-04-03 | Donnelly Terence Robert | Director | Award | 2,665 |
| 2026-04-03 | OLIVER DAVID R JR | Director | Award | 3,116 |
| 2026-04-03 | Littlefield Barbara G. | Director | Award | 3,116 |
| 2026-04-03 | Klein Margaret D. | Director | Award | 3,116 |
| 2026-04-03 | House Arthur H | Director | Award | 3,116 |
| 2026-04-03 | Dambier Laura A. | Director | Award | 3,116 |
| 2026-02-24 | OLIVER DAVID R JR | Director | Sell | 200 |
| 2025-08-08 | House Arthur H | Director | Sell | 9,703 |
| 2025-08-06 | House Arthur H | Director | Convert | 9,703 |
| 2025-08-06 | House Arthur H | Director | Convert | 9,703 |
| 2025-08-04 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 15,740 |
| 2025-08-04 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 34,260 |
| 2025-08-04 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 9,843 |
| 2025-08-04 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 27,743 |
| 2025-08-04 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 73,105 |
| 2025-08-04 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 12,888 |
| 2025-06-11 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 500 |
| 2025-06-11 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 12,898 |
| 2025-06-11 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 12,315 |
| 2025-06-11 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 6,342 |
| 2025-06-11 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 300 |
| 2025-06-11 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 9,806 |
| 2025-06-06 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 4,744 |
| 2025-06-06 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 12,898 |
| 2025-06-06 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 7,689 |
| 2025-06-06 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 9,806 |
| 2025-05-27 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 24,506 |
| 2025-05-27 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 98,149 |
| 2025-05-27 | Donnelly Terence Robert | Director | Award | 2,112 |
| 2025-05-27 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 12,759 |
| 2025-05-27 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 39,903 |
| 2025-05-27 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 9,719 |
| 2025-05-27 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 10,097 |
| 2025-05-27 | Donnelly Terence Robert | Director | Other | 0 |
| 2025-05-20 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 12,759 |
| 2025-05-20 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 12,815 |
| 2025-05-20 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 9,719 |
| 2025-05-20 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 11,860 |
| 2025-05-15 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 12,759 |
| 2025-05-15 | McGahn Daniel P | Director, Chairman, President and CEO | Award | 240,000 |
| 2025-05-15 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 9,719 |
| 2025-05-15 | Kosiba John W JR | SVP, CFO & Treasurer | Award | 120,000 |
| 2025-04-03 | Littlefield Barbara G. | Director | Award | 2,639 |
| 2025-04-03 | Dambier Laura A. | Director | Award | 2,639 |
| 2025-04-03 | OLIVER DAVID R JR | Director | Award | 2,639 |
| 2025-04-03 | Klein Margaret D. | Director | Award | 2,639 |
| 2025-04-03 | House Arthur H | Director | Award | 2,639 |
| 2024-11-04 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 9,358 |
| 2024-11-04 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 50,000 |
| 2024-09-30 | McGahn Daniel P | Director, Chairman, President and CEO | Award | 180,000 |
| 2024-09-30 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 12,282 |
| 2024-09-26 | Kosiba John W JR | SVP, CFO & Treasurer | Award | 90,000 |
| 2024-09-26 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 9,317 |
| 2024-06-11 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 37,165 |
| 2024-06-11 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 11,992 |
| 2024-06-11 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 9,119 |
| 2024-06-11 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 32,000 |
| 2024-05-21 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 18,939 |
| 2024-05-21 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 11,992 |
| 2024-05-21 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 1,620 |
| 2024-05-21 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 9,119 |
| 2024-05-21 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 26,830 |
| 2024-05-21 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 2,170 |
| 2024-04-03 | Littlefield Barbara G. | Director | Award | 3,840 |
| 2024-04-03 | OLIVER DAVID R JR | Director | Award | 3,840 |
| 2024-04-03 | Dambier Laura A. | Director | Award | 3,840 |
| 2024-04-03 | House Arthur H | Director | Award | 3,840 |
| 2024-04-03 | Klein Margaret D. | Director | Award | 3,840 |
| 2023-06-22 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 36,902 |
| 2023-06-22 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 29,878 |
| 2023-06-21 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 10,992 |
| 2023-06-21 | McGahn Daniel P | Director, Chairman, President and CEO | Sell | 73,802 |
| 2023-06-21 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 50,132 |
| 2023-06-21 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 8,122 |
| 2023-06-15 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 1,613 |
| 2023-06-15 | Kosiba John W JR | SVP, CFO & Treasurer | Award | 105,000 |
| 2023-06-15 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 8,122 |
| 2023-06-15 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 10,992 |
| 2023-06-15 | McGahn Daniel P | Director, Chairman, President and CEO | Award | 250,000 |
| 2023-06-15 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 4,839 |
| 2023-04-05 | Klein Margaret D. | Director | Award | 9,397 |
| 2023-04-05 | Dambier Laura A. | Director | Award | 9,397 |
| 2023-04-05 | Littlefield Barbara G. | Director | Award | 11,627 |
| 2023-04-05 | OLIVER DAVID R JR | Director | Award | 11,627 |
| 2023-04-05 | House Arthur H | Director | Award | 11,627 |
| 2022-12-16 | McGahn Daniel P | Director, Chairman, President and CEO | Buy | 25,000 |
| 2022-12-16 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 10,032 |
| 2022-12-16 | Kosiba John W JR | SVP, CFO & Treasurer | Buy | 15,000 |
| 2022-12-16 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 7,233 |
| 2022-12-12 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 7,233 |
| 2022-12-12 | Kosiba John W JR | SVP, CFO & Treasurer | Buy | 25,000 |
| 2022-10-31 | McGahn Daniel P | Director, Chairman, President and CEO | Other | 9,666 |
| 2022-10-31 | McGahn Daniel P | Director, Chairman, President and CEO | Award | 250,000 |
| 2022-10-19 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 6,950 |
| 2022-10-19 | Kosiba John W JR | SVP, CFO & Treasurer | Award | 125,000 |
| 2022-08-04 | Klein Margaret D. | Director | Buy | 500 |
| 2022-06-10 | Dambier Laura A. | Director | Award | 10,282 |
| 2022-06-10 | Klein Margaret D. | Director | Award | 10,282 |
| 2022-06-10 | Kosiba John W JR | SVP, CFO & Treasurer | Sell | 8,473 |
| 2022-06-10 | Kosiba John W JR | SVP, CFO & Treasurer | Other | 6,209 |