Daniel P McGahn sold $4.3M of AMSC
Chairman, President and CEO at AMERICAN SUPERCONDUCTOR CORP /DE/. 85,418 shares at an average of $50.49, traded Jun 2, 2026, filed Jun 3, 2026.
Score components
- +25RoleCEO
- +25Trade size$4.3M at market
- 0Share of holdings soldSold 6.9% of holdings
- +15Cluster3 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-26-255450, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jun 1, 2026 | AGrant or award Common Stock10b5-1 | +60,000 | $0.00 | $0 | 1,243,134 | Jun 3, 2026 |
| Jun 2, 2026 | SOpen-market sale Common Stock10b5-1 | -13,762 | $49.45 | $681k | 1,229,372 | Jun 3, 2026 |
| Jun 2, 2026 | SOpen-market sale Common Stock10b5-1 | -27,900 | $50.63 | $1.4M | 1,201,472 | Jun 3, 2026 |
| Jun 2, 2026 | SOpen-market sale Common Stock10b5-1 | -28,558 | $51.46 | $1.5M | 1,172,914 | Jun 3, 2026 |
| Jun 2, 2026 | SOpen-market sale Common Stock10b5-1 | -2,305 | $52.14 | $120k | 1,170,609 | Jun 3, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -7,075 | $48.31 | $342k | 1,163,534 | Jun 3, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -4,501 | $49.25 | $222k | 1,159,033 | Jun 3, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -500 | $50.29 | $25k | 1,158,533 | Jun 3, 2026 |
| Jun 3, 2026 | SOpen-market sale Common Stock10b5-1 | -817 | $50.99 | $42k | 1,157,716 | Jun 3, 2026 |
Related signals
Other insiders at AMERICAN SUPERCONDUCTOR CORP /DE/ and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 46Moderate | AMERICAN SUPERCONDUCTOR CORP /DE/ | Laura A. Dambier director | $151k 4,000 shares | -21% | |
| 39Weak | AMERICAN SUPERCONDUCTOR CORP /DE/ | Daniel P McGahn Chairman, President and CEO | $604k 16,117 shares | -1% | |
| 30Weak | AMERICAN SUPERCONDUCTOR CORP /DE/ | John W Kosiba JR SVP, CFO & Treasurer | $254k 6,769 shares | -2% | |
| 36Weak | AMERICAN SUPERCONDUCTOR CORP /DE/ | Daniel P McGahn Chairman, President and CEO | $404k 9,670 shares | -1% | |
| 29Weak | AMERICAN SUPERCONDUCTOR CORP /DE/ | John W Kosiba JR SVP, CFO & Treasurer | $202k 4,835 shares | -1% | |
| 42Moderate | AMERICAN SUPERCONDUCTOR CORP /DE/ | John W Kosiba JR SVP, CFO & Treasurer | $1.9M 36,909 shares | -10% | |
| 15Weak | AMSCsell AMERICAN SUPERCONDUCTOR CORP /DE/ | David R Oliver Jr director | $6,820 200 shares | -0% | |
| 10Weak | AMSCbuy AMERICAN SUPERCONDUCTOR CORP /DE/ | David R Oliver Jr director | $1,666 200 shares | +0% | |
| 38Weak | AMERICAN SUPERCONDUCTOR CORP /DE/ | Arthur H House director | $494k 9,703 shares | -17% | |
| 67Notable | AMERICAN SUPERCONDUCTOR CORP /DE/ | John W Kosiba JR SVP, CFO & Treasurer | $3.3M 59,843 shares | -15% |
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.