Kosiba John W Jr
SVP, CFO &Treasurer
1 company
Insider Signal Score
57
GoodTrades Analyzed
19
12M Win Rate
44.4%
Avg 3M Return
-7.0%
Avg 12M Return
-4.5%
Kosiba John W Jr is a SVP, CFO &Treasurer at AMERICAN SUPERCONDUCTOR CORP /DE/. Recent SEC Form 4 filings include 1 buy and 15 sells.
Holdings by Company
AMSCAug 4, 2025
Current Shares0
Value-
Net Activity-419,617
Bought: 51.3KSold: 470.9K
Transaction History
Showing 10 filings
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 4, 2025 | AMSC American Superconductor Corp /de/ | SVP, CFO &Treasurer | Sell | 59,843 | $54.70 | $3,273,380.45 | -7.7% | +9.2% | -47.1% | |
| Jun 11, 2025 | AMSC American Superconductor Corp /de/ | SVP, CFO &Treasurer | Sell | 6,642 | $28.57 | $189,778.31 | -0.8% | +68.0% | +33.2% | |
| Jun 6, 2025 | AMSC American Superconductor Corp /de/ | SVP, CFO &Treasurer | Sell | 4,744 | $31.83 | $151,012.43 | -1.1% | +54.2% | +34.5% | |
| May 27, 2025 | AMSC American Superconductor Corp /de/ | SVP, CFO &Treasurer | Sell | 50,000 | $26.40 | $1,319,756.80 | -5.4% | +81.1% | +92.4% | |
| May 20, 2025 | AMSC American Superconductor Corp /de/ | SVP, CFO &Treasurer | Sell | 11,860 | $24.50 | $290,529.68 | -2.5% | +116.6% | +99.4% | |
| Nov 4, 2024 | AMSC American Superconductor Corp /de/ | SVP, CFO &Treasurer | Sell | 50,000 | $28.28 | $1,414,095.00 | -12.3% | -2.7% | +108.2% | |
| Jun 11, 2024 | AMSC American Superconductor Corp /de/ | SVP, CFO &Treasurer | Sell | 32,000 | $21.68 | $693,750.40 | -9.2% | -9.2% | +35.1% | |
| May 21, 2024 | AMSC American Superconductor Corp /de/ | SVP, CFO &Treasurer | Sell | 29,000 | $14.82 | $429,813.52 | -4.0% | +46.3% | +58.7% | |
| Jun 22, 2023 | AMSC American Superconductor Corp /de/ | SVP, CFO &Treasurer | Sell | 80,010 | $6.08 | $486,348.31 | -9.3% | +26.6% | +308.5% | |
| Dec 16, 2022 | AMSC American Superconductor Corp /de/ | SVP, CFO &Treasurer | Buy | 15,000 | $3.50 | $52,471.50 | +4.4% | +31.1% | +215.0% |
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