Juvenal Tobin W Insider Trading Activity
Juvenal Tobin W has been net-selling over the last 12 months with 0 purchases and 7 sales across 1 company.
CSTL is the most-traded position with 7 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 | — | +13.9% | 100% | 5 |
| 120 days | — | +25.7% | 100% | 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 MarkersCSTL · CASTLE BIOSCIENCES INC
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Sep 30, 2026 | CSTL | Sell | 1,034 | $34.20 | $35K | −1.9% | Chief Commercial Officer | |
Sep 29, 2026 | CSTL | Sell | 5,543 | $35.50 | $197K | −9.5% | Chief Commercial Officer | |
Mar 12, 2026 | CSTL | Sell | 20,863 | $25.24 | $527K | −19.4% | Chief Commercial Officer | |
Dec 11, 2025 | CSTL | Sell | 13,200 | $37.48 | $495K | −13.2% | Chief Commercial Officer | |
Nov 20, 2025 | CSTL | Sell | 4,693 | $35.58 | $167K | −5.3% | Chief Commercial Officer | |
Nov 12, 2025 | CSTL | Sell | 200 | $35.40 | $7K | −0.2% | Chief Commercial Officer | |
Nov 11, 2025 | CSTL | Sell | 500 | $35.39 | $18K | −0.6% | Chief Commercial Officer |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| CSTL | CASTLE BIOSCIENCES INC | 7 | $1.4M |
Other insiders at CASTLE BIOSCIENCES INC
3 other tracked filers at CSTL.