Charles W Newhall III Insider Trading Activity
Charles W Newhall III has been net-selling over the last 12 months with 0 purchases and 5 sales across 1 company.
SUPN is the most-traded position with 5 trades. The largest single transaction was a sale of SUPN for $1.2M on Oct 9, 2025.
Performance Scorecard
Forward stock performance after each transaction by Charles W Newhall III. 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 | — | +1.8% | 40% | 5 |
| 90 days | — | -0.5% | 40% | 5 |
| 120 days | — | -9.2% | 0% | 5 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersSUPN · SUPERNUS PHARMACEUTICALS, INC.
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Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| SUPN | SUPERNUS PHARMACEUTICALS, INC. | 5 | $1.5M |
Other insiders at SUPERNUS PHARMACEUTICALS, INC.
4 other tracked filers at SUPN.