Daniel P. McGahn is CEO & Chairman +1 at AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC). They have made 10 open-market trades across 1 company since 2008, most recently 2026-06-11.
CIK 0001425153
2 open-market purchases totalling $187K since 2017, against 8 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| AMSC | 1,131,929 | $29.1M |
Shares reported on the most recent Form 4, priced at the 2026-06-11 close.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| AMSC | SELL · 10b5-1 | 2026-06-11 | 2026-06-11 | $37.45 | $604K | +4.8% | -12.4% | -24.9% |
| AMSC | SELL · 10b5-1 | 2026-06-08 | 2026-06-10 | $41.78 | $404K | +11.7% | -3.5% | -18.3% |
| AMSC | SELL · 10b5-1 | 2026-06-02 | 2026-06-03 | $50.49 | $4.3M | -9.8% | -16.1% | -37.2% |
| AMSC | SELL | 2025-08-04 | 2025-08-06 | $54.49 | $11.0M | -2.8% | -11.1% | +2.3% |
| AMSC | SELL · 10b5-1 | 2025-06-11 | 2025-06-12 | $28.57 | $718K | +20.8% | +44.5% | +82.6% |
| AMSC | SELL · 10b5-1 | 2025-06-06 | 2025-06-09 | $31.82 | $489K | -9.0% | +19.5% | +49.9% |
| AMSC | SELL · 10b5-1 | 2025-05-27 | 2025-05-29 | $26.39 | $6.5M | +24.8% | +32.9% | +88.8% |
| AMSC | SELL · 10b5-1 | 2025-05-20 | 2025-05-22 | $24.49 | $628K | +26.4% | +33.4% | +98.0% |
| AMSC | SELL · 10b5-1 | 2024-06-11 | 2024-06-12 | $21.69 | $1.6M | -0.4% | +23.5% | -5.8% |
| AMSC | SELL · 10b5-1 | 2024-05-21 | 2024-05-23 | $14.80 | $585K | +46.7% | +52.4% | +35.6% |
| AMSC | SELL · 10b5-1 | 2023-06-21 | 2023-06-23 | $6.08 | $1.3M | +4.1% | +25.9% | +30.4% |
| AMSC | BUY | 2022-12-16 | 2022-12-19 | $3.49 | $87K | +3.7% | +50.7% | +15.5% |
| AMSC | SELL | 2022-06-10 | 2022-06-13 | $5.98 | $390K | -11.7% | -20.1% | -16.3% |
| AMSC | SELL | 2022-05-31 | 2022-06-02 | $5.45 | $237K | -18.4% | -21.5% | -14.4% |
| AMSC | SELL | 2021-11-01 | 2021-11-02 | $18.96 | $275K | -12.1% | -34.2% | -55.1% |
| AMSC | SELL | 2021-07-01 | 2021-07-06 | $17.66 | $518K | -21.6% | -28.7% | -19.5% |
| AMSC | SELL | 2021-05-24 | 2021-05-24 | $14.19 | $247K | +19.3% | +15.2% | -17.4% |
| AMSC | BUY | 2017-05-10 | 2017-05-12 | $4.00 | $100K | +1.7% | +7.4% | -19.8% |
| AMSC | SELL · 10b5-1 | 2011-05-17 | 2011-05-17 | $11.16 | $128K | -6.1% | +6.3% | +6.3% |
| AMSC | SELL · 10b5-1 | 2011-05-12 | 2011-05-16 | $11.56 | $10K | -6.1% | +6.3% | +6.3% |
| AMSC | SELL · 10b5-1 | 2010-05-13 | 2010-05-14 | $30.86 | $28K | -6.1% | +6.3% | +6.3% |
| AMSC | SELL · 10b5-1 | 2010-02-05 | 2010-02-08 | $31.85 | $255K | -6.1% | +6.3% | +6.3% |
| AMSC | SELL | 2009-12-08 | 2009-12-10 | $34.68 | $156K | -6.1% | +6.3% | +6.3% |
| AMSC | SELL | 2008-12-16 | 2008-12-18 | $15.43 | $19K | -6.1% | +6.3% | +6.3% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.