미국 초전도체 공사
| 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 | 181 | 25.9500 | -242,288 | -49.04 |
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 |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-04-07 | 2026-04-03 | 4 | House Arthur H | AMSC | Common Stock | D | 3,116 | 51,779 | ||||||
| 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
공개 시장에서 또는 사적으로 비파생증권 또는 파생증권 매입
S
공개 시장에서 또는 사적으로 비파생증권 또는 파생증권 매각
A
자사로부터 유가증권(옵션 등)을 보조, 지급 또는 기타 취득
C
파생상품 전환
D
자사에게 유가증권을 매각 또는 양도
F
기업으로부터 인도 받은 유가증권의 일부를 사용한 행사 가격 또는 조세 채무의 지급
G
내부자에 의한 또는 내부자에게 증권 증여
K
지분스왑 및 유사 위험 회피거래
M
자사로부터 인도 받은 파생증권(옵션 등)의 행사 또는 전환
V
보고서 양식 4에 자진 신고된 거래
J
기타 (거래 내용을 설명하는 각주와 동반)
