Juvenal Tobin W Insider Trading Activity
Juvenal Tobin W has been net-selling over the last 12 months with 0 purchases and 5 sales across 1 company.
CSTL is the most-traded position with 5 trades. The largest single transaction was a sale of CSTL for $527K on Mar 12, 2026.
Performance Scorecard
Forward stock performance after each transaction by Juvenal Tobin W. 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 | — | -6.4% | 20% | 5 |
| 90 days | — | +13.3% | 100% | 4 |
| 120 days | — | +30.7% | 100% | 4 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersCSTL · CASTLE BIOSCIENCES INC
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| Mar 12, 2026 | CSTL | Sell | 20,863 | $25.24 | $527K | Chief Commercial Officer |
| Dec 11, 2025 | CSTL | Sell | 13,200 | $37.48 | $495K | Chief Commercial Officer |
| Nov 20, 2025 | CSTL | Sell | 4,693 | $35.58 | $167K | Chief Commercial Officer |
| Nov 12, 2025 | CSTL | Sell | 200 | $35.40 | $7K | Chief Commercial Officer |
| Nov 11, 2025 | CSTL | Sell | 500 | $35.39 | $18K | Chief Commercial Officer |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| CSTL | CASTLE BIOSCIENCES INC | 5 | $1.2M |
Other insiders at CASTLE BIOSCIENCES INC
3 other tracked filers at CSTL.