Topper James N Insider Trading Activity
Topper James N has been net-buying over the last 12 months with 6 purchases and 0 sales across 1 company.
NAMS is the most-traded position with 6 trades. The largest single transaction was a purchase of NAMS for $167K on Jun 16, 2025.
Performance Scorecard
Forward stock performance after each transaction by Topper James N. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | +29.6% | — | 100% | 6 |
| 90 days | +45.2% | — | 100% | 6 |
| 120 days | +66.4% | — | 100% | 6 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersNAMS · NewAmsterdam Pharma Co N.V.
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Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| NAMS | NewAmsterdam Pharma Co N.V. | 6 | $295K |
Other insiders at NewAmsterdam Pharma Co N.V.
6 other tracked filers at NAMS.