Insider · CIK 0001933357
Margaret D. Klein
Files at AMSC (AMERICAN SUPERCONDUCTOR CORP /DE/). First filing Aug 6, 2025, latest Aug 6, 2025.
In brief
Margaret D. Klein files SEC Form 4 as director at AMSC (AMERICAN SUPERCONDUCTOR CORP /DE/). Since Aug 6, 2025, Margaret D. Klein has reported 1 open-market buy worth $2,783 and 0 open-market sells worth $0, the latest filed on Aug 6, 2025.
A track record needs three past buys with six months of prices behind them; Margaret D. Klein has 0, so none is measured yet.
The newest scored trade: bought $2,783 of AMSC on Aug 4, 2022, filed Aug 6, 2025, scored 15 (weak).
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
AMSC: AMERICAN SUPERCONDUCTOR CORP /DE/
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 15Weak | AMSCbuy AMERICAN SUPERCONDUCTOR CORP /DE/ | $2,783 500 shares | +3% | - |
Transactions
Every row this insider has filed, 3 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Apr 3, 2026 | AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ | AGrant or award Common Stock | +3,116 | $0.00 | $0 | 19,492 | Apr 7, 2026 |
| Aug 4, 2022 | AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ | POpen-market purchase Common Stock | +500 | $5.57 | $2,783 | 16,376 | Aug 6, 2025 |
| Apr 3, 2025 | AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ | AGrant or award Common Stock | +2,639 | $0.00 | $0 | 15,876 | Apr 4, 2025 |
Questions about Margaret D. Klein
Answered from the filings on this page, as of the latest one.
Is Margaret D. Klein buying or selling?
Not in the last 12 months. Margaret D. Klein's latest open-market trade on SEC Form 4 was bought $2,783 of AMSC on Aug 4, 2022.
How did Margaret D. Klein's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Margaret D. Klein has 0.
Where does Margaret D. Klein file Form 4?
Margaret D. Klein has filed Form 4 at AMSC (AMERICAN SUPERCONDUCTOR CORP /DE/). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.