Insider · CIK 0001376216
David R Oliver Jr
Files at AMSC (AMERICAN SUPERCONDUCTOR CORP /DE/). First filing Nov 13, 2025, latest Feb 26, 2026.
In brief
David R Oliver Jr files SEC Form 4 as director at AMSC (AMERICAN SUPERCONDUCTOR CORP /DE/). Since Nov 13, 2025, David R Oliver Jr has reported 1 open-market buy worth $1,666 and 1 open-market sell worth $6,820, the latest filed on Feb 26, 2026.
A track record needs three past buys with six months of prices behind them; David R Oliver Jr has 0, so none is measured yet.
The newest scored trade: sold $6,820 of AMSC on Feb 24, 2026, filed Feb 26, 2026, scored 15 (weak). In the last 12 months: 1 buy worth $1,666 and 1 sell worth $6,820.
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 | AMSCsell AMERICAN SUPERCONDUCTOR CORP /DE/ | $6,820 200 shares | -0% | +113% from low-49% from high | |
| 10Weak | AMSCbuy AMERICAN SUPERCONDUCTOR CORP /DE/ | $1,666 200 shares | +0% | - |
Transactions
Every row this insider has filed, 5 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 | 63,823 | Apr 7, 2026 |
| Feb 24, 2026 | AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ | SOpen-market sale Common Stock | -200 | $34.10 | $6,820 | 60,707 | Feb 26, 2026 |
| Jun 18, 2019 | AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ | POpen-market purchase Common Stock | +200 | $8.33 | $1,666 | 60,907 | Nov 13, 2025 |
| Apr 3, 2025 | AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ | AGrant or award Common Stock | +2,639 | $0.00 | $0 | 60,707 | Apr 4, 2025 |
| Apr 3, 2024 | AMSC AMERICAN SUPERCONDUCTOR CORP /DE/ | AGrant or award Common Stock | +3,840 | $0.00 | $0 | 58,068 | Apr 4, 2024 |
Questions about David R Oliver Jr
Answered from the filings on this page, as of the latest one.
Is David R Oliver Jr buying or selling?
In the last 12 months David R Oliver Jr reported 1 open-market buy worth $1,666 and 1 open-market sell worth $6,820 on SEC Form 4; the latest was sold $6,820 of AMSC on Feb 24, 2026. Grants, option exercises and tax withholding are not counted.
How did David R Oliver Jr's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and David R Oliver Jr has 0.
Where does David R Oliver Jr file Form 4?
David R Oliver Jr 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.