Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2025-06-11 Sale |
2025-06-12 4:22 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
12,815 | $28.58 | $366,242 | 1,296,880 (Indirect Direct) |
View |
2025-06-11 Sale |
2025-06-12 4:19 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
6,642 | $28.57 | $189,778 | 412,696 (Indirect Direct) |
View |
2025-06-06 Sale |
2025-06-09 4:57 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
4,744 | $31.83 | $151,012 | 419,338 (Indirect Direct) |
View |
2025-06-06 Sale |
2025-06-09 4:53 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
7,689 | $31.82 | $244,670 | 1,309,695 (Indirect Direct) |
View |
2025-05-27 Sale |
2025-05-29 5:31 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
122,655 | $26.39 | $3,236,835 | 1,317,245 (Indirect Direct) |
View |
2025-05-27 Sale |
2025-05-29 5:22 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
50,000 | $26.4 | $1,319,757 | 423,995 (Indirect Direct) |
View |
2025-05-20 Sale |
2025-05-22 4:47 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
11,860 | $24.5 | $290,530 | 473,995 (Indirect Direct) |
View |
2025-05-20 Sale |
2025-05-22 4:41 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
12,815 | $24.49 | $313,878 | 1,439,900 (Indirect Direct) |
View |
2024-11-04 Sale |
2024-11-06 4:38 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
50,000 | $28.28 | $1,414,095 | 365,494 (Indirect Direct) |
View |
2024-06-11 Sale |
2024-06-12 09:09 am |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
37,165 | $21.69 | $806,046 | 1,031,948 (Indirect Direct) |
View |
2024-06-11 Sale |
2024-06-12 09:08 am |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
32,000 | $21.68 | $693,750 | 325,255 (Indirect Direct) |
View |
2024-05-21 Sale |
2024-05-23 4:33 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
29,000 | $14.82 | $429,814 | 357,255 (Indirect Direct) |
View |
2024-05-21 Sale |
2024-05-23 4:29 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
20,559 | $14.82 | $304,741 | 1,069,113 (Indirect Direct) |
View |
2023-06-21 Sale |
2023-06-23 4:19 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
110,704 | $6.0788 | $672,947 | 1,088,672 (Indirect Direct) |
View |
2023-06-21 Sale |
2023-06-23 4:15 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
80,010 | $6.0786 | $486,348 | 385,258 (Indirect Direct) |
View |
2023-06-15 Sale |
2023-06-20 4:26 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
1,613 | $0 | $0 | 465,268 (Indirect Direct) |
View |
2023-06-15 Sale |
2023-06-20 4:23 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
4,839 | $0 | $0 | 1,199,376 (Indirect Direct) |
View |
2022-12-16 Purchase |
2022-12-19 4:21 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
25,000 | $3.4907 | $87,268 | 953,255 (Indirect Direct) |
View |
2022-12-16 Purchase |
2022-12-19 4:18 pm |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
15,000 | $3.4981 | $52,472 | 360,992 (Indirect Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-05-27 Option Award |
2025-05-29 5:13 pm |
N/A 2035-05-27 |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Donnelly Terence Robert Director |
2,112 | $0 | 2,112 (Direct) |
View |
2025-05-15 Option Award |
2025-05-19 4:43 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
120,000 | $0 | 485,855 (Direct) |
View |
2025-05-15 Option Award |
2025-05-19 4:42 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
240,000 | $0 | 1,452,715 (Direct) |
View |
2025-04-03 Option Award |
2025-04-04 4:36 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | OLIVER DAVID R JR Director |
2,639 | $0 | 60,707 (Direct) |
View |
2025-04-03 Option Award |
2025-04-04 4:34 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Littlefield Barbara G. Director |
2,639 | $0 | 32,311 (Direct) |
View |
2025-04-03 Option Award |
2025-04-04 4:32 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Klein Margaret D. Director |
2,639 | $0 | 15,876 (Direct) |
View |
2025-04-03 Option Award |
2025-04-04 4:30 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | House Arthur H Director |
2,639 | $0 | 48,663 (Direct) |
View |
2025-04-03 Option Award |
2025-04-04 4:29 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Dambier Laura A. Director |
2,639 | $0 | 15,876 (Direct) |
View |
2024-09-30 Option Award |
2024-10-01 4:37 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
180,000 | $0 | 1,212,238 (Direct) |
View |
2024-09-26 Option Award |
2024-09-30 5:12 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
90,000 | $0 | 415,453 (Direct) |
View |
2024-04-03 Option Award |
2024-04-04 5:26 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Dambier Laura A. Director |
3,840 | $0 | 13,237 (Direct) |
View |
2024-04-03 Option Award |
2024-04-04 5:24 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | House Arthur H Director |
3,840 | $0 | 46,024 (Direct) |
View |
2024-04-03 Option Award |
2024-04-04 5:23 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Klein Margaret D. Director |
3,840 | $0 | 13,237 (Direct) |
View |
2024-04-03 Option Award |
2024-04-04 5:21 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Littlefield Barbara G. Director |
3,840 | $0 | 29,672 (Direct) |
View |
2024-04-03 Option Award |
2024-04-04 5:19 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | OLIVER DAVID R JR Director |
3,840 | $0 | 58,068 (Direct) |
View |
2023-06-15 Option Award |
2023-06-20 4:26 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Kosiba John W JR SVP, CFO & Treasurer |
105,000 | $0 | 465,268 (Direct) |
View |
2023-06-15 Option Award |
2023-06-20 4:23 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | McGahn Daniel P Chairman, President and CEO |
250,000 | $0 | 1,199,376 (Direct) |
View |
2023-04-05 Option Award |
2023-04-07 4:17 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | House Arthur H Director |
11,627 | $0 | 42,184 (Direct) |
View |
2023-04-05 Option Award |
2023-04-07 4:16 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Klein Margaret D. Director |
9,397 | $0 | 9,397 (Direct) |
View |
2023-04-05 Option Award |
2023-04-07 4:14 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Dambier Laura A. Director |
9,397 | $0 | 9,397 (Direct) |
View |
2023-04-05 Option Award |
2023-04-07 4:13 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | Littlefield Barbara G. Director |
11,627 | $0 | 25,832 (Direct) |
View |
2023-04-05 Option Award |
2023-04-07 4:09 pm |
N/A N/A |
AMERICAN SUPERCONDUCTOR CORP | AMSC | OLIVER DAVID R JR Director |
11,627 | $0 | 54,228 (Direct) |
View |