American Superconductor Corporation
| Security | AMSC / American Superconductor Corporation |
| Insider | Arthur H House |
This page shows the track record and history of House Arthur H
insider trades in American Superconductor Corporation. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company.
It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean
it is illegal for them to make any
trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis
In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Arthur H House in AMSC / American Superconductor Corporation. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Max |
Price at Max |
Max Profit ($) |
Max Return (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Arthur H House in AMSC / American Superconductor Corporation. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Min |
Price at Min |
Max Loss Avoided ($) |
Max Loss Avoided (%) |
|---|---|---|---|---|---|---|---|---|---|
| 2025-08-08 | 9,703 | 50.9205 | 9,703 | 50.9205 | 494,082 | 12 | 48.1100 | -27,270 | -5.52 |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-08 | 2025-08-08 | 4 | House Arthur H | AMSC | Common Stock | D | 50.9205 | -9,703 | -494 | 48,663 | ||||
| 2025-08-08 | 2025-08-06 | 4 | House Arthur H | AMSC | Common Stock | D | 6.8000 | 9,703 | 66 | 58,366 | ||||
| 2025-04-04 | 2025-04-03 | 4 | House Arthur H | AMSC | Common Stock | D | 2,639 | 48,663 | ||||||
| 2024-04-04 | 2024-04-03 | 4 | House Arthur H | AMSC | Common Stock | D | 3,840 | 46,024 | ||||||
| 2023-04-07 | 2023-04-05 | 4 | House Arthur H | AMSC | Common Stock | D | 11,627 | 42,184 | ||||||
| 2022-04-06 | 2022-04-05 | 4 | House Arthur H | AMSC | Common Stock | D | 6,067 | 30,557 | ||||||
| 2021-04-07 | 2021-04-05 | 4 | House Arthur H | AMSC | Common Stock | D | 2,073 | 24,490 | ||||||
| 2020-04-07 | 2020-04-03 | 4 | House Arthur H | AMSC | Common Stock | D | 7,092 | 22,417 | ||||||
| 2019-04-04 | 2019-04-03 | 4 | House Arthur H | AMSC | Common Stock | D | 3,152 | 15,325 | ||||||
| 2018-04-06 | 2018-04-04 | 4 | House Arthur H | AMSC | Common Stock | D | 6,896 | 12,173 | ||||||
| 2017-04-07 | 2017-04-05 | 4 | House Arthur H | AMSC | Common Stock | D | 3,277 | 5,277 | ||||||
| 2016-09-22 | 2016-09-20 | 4 | House Arthur H | AMSC | Stock Options (Right to Buy) | D | 6.80 | 9,703 | 9,703 | |||||
| 2016-09-22 | 3 | House Arthur H | AMSC | Common Stock | D | 4,000 | ||||||||
| 2016-09-22 | 3 | House Arthur H | AMSC | Common Stock | D | 4,000 |
P
Köp på öppna marknaden eller privat köp av icke-derivatsäkerhet
S
Köp på öppna marknaden eller privat försäljning av icke-derivatsäkerhet
A
Bevilja, tilldelning eller annat förvärv av värdepapper från företaget (såsom en option)
C
Omvandling av derivat
D
Försäljning eller överföring av värdepapper tillbaka til företaget
F
Betalning av lösenpris eller skatteskuld med del av värdepapper som erhållits från bolaget
G
Överlåtelse av värdepapper från eller till insidern
K
Aktieswappar och liknande säkringsaffärer
M
Utövande eller omvandling av derivatsäkerhet som erhållits från företaget (som en option)
V
En transaktion friviligt rapporterad på schema 4
J
Andra (med en fotnot som beskriver transaktionen)
