Form 4: Castle Biosciences Executive Sells Shares
Insider Transaction (Form 4)
Tobin W Juvenal, Chief Commercial Officer of Castle Biosciences Inc, sold 6,600 shares of common stock on September 14, 2026.
Summary
- Open-market sale: disposed of 3,306 Common Stock at $32.32 ($106,863) on September 14, 2026; holds 61,878 after (Direct).
- Open-market sale: disposed of 3,294 Common Stock at $35.14 ($115,758) on September 15, 2026; holds 58,584 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $222,621 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 |
|---|---|---|---|---|---|---|
| 2026-09-14 | Open-market sale | Common Stock | 3,306 | $32 | $106.9K | 61,878 |
| 2026-09-15 | Open-market sale | Common Stock | 3,294 | $35 | $115.8K | 58,584 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-14 | Open-market sale (3,306 shares) |
| 2026-09-15 | Open-market sale (3,294 shares) |
Keywords
insider transaction, Form 4, CSTL, CASTLE BIOSCIENCES INC, bearish, Tobin W Juvenal
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