Open Insider Trading Activity for American Superconductor Corp /De/ SVP, CFO & Treasurer Kosiba John W Jr
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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Charting by TradingView Lightweight Charts
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10b5-1: Scheduled Form 4 Transaction AMSC | 2026-06-03 | 2026-06-03 | American Superconductor Corp /De/ | Kosiba John W Jr | SVP, CFO & Treasurer | Sell | 7 | 36,909 | $50.45 | $1,862,090.51 | 1.46% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction AMSC | 2025-05-22 | 2025-05-20 | American Superconductor Corp /De/ | Kosiba John W Jr | SVP, CFO & Treasurer | Sell | 1 | 11,860 | $24.50 | $290,570.00 | 2.49% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMSC | 2022-12-19 | 2022-12-16 | American Superconductor Corp /De/ | Kosiba John W Jr | SVP, CFO & Treasurer | Buy | 1 | 15,000 | $3.50 | $52,500.00 | 4.24% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMSC | 2022-12-13 | 2022-12-12 | American Superconductor Corp /De/ | Kosiba John W Jr | SVP, CFO & Treasurer | Buy | 1 | 25,000 | $3.34 | $83,500.00 | 7.38% | View Filing |