House Arthur H
- SEC CIK
- 0001685155
No open-market purchases or sales filed in the past year.
Current role at each company
- AMSC American Superconductor CorpDirectoras of Apr 7, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists House Arthur H as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 8, 2025 (view filing) | Aug 8 | Same day | House Arthur HDirector | SSale | −9.70K | $50.92 | −$494.1K | −16.6%48.7K after |