Form 4: Castle Biosciences Executive Sells Shares
Insider Transaction (Form 4)
Tobin W Juvenal, Chief Commercial Officer of Castle Biosciences Inc, sold 6,577 shares of common stock on September 29, 2026.
Summary
- Open-market sale: disposed of 5,543 Common Stock at $35.50 ($196,765) on September 29, 2026; holds 53,041 after (Direct).
- Open-market sale: disposed of 1,034 Common Stock at $34.20 ($35,363) on September 30, 2026; holds 52,007 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $232,128 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Tobin W Juvenal — Officer (Chief Commercial Officer)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-29 | Open-market sale | Common Stock | 5,543 | $35 | $196.8K | 53,041 |
| 2026-09-30 | Open-market sale | Common Stock | 1,034 | $34 | $35.4K | 52,007 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-29 | Open-market sale (5,543 shares) |
| 2026-09-30 | Open-market sale (1,034 shares) |
Keywords
insider transaction, Form 4, CSTL, CASTLE BIOSCIENCES INC, bearish, Tobin W Juvenal
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