Juvenal Tobin W - Insider Non-Derivative Transactions at CASTLE BIOSCIENCES INC (CSTL) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 11, 2025, Juvenal Tobin W's relationship to CASTLE BIOSCIENCES INC (CSTL) is Officer (Chief Commercial Officer), and currently has 86,825 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other CSTL insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Juvenal Tobin W - Insider Non-Derivative Transactions of CSTL Common Stock
Juvenal Tobin W - Insider Non-Derivative Transactions at CSTL
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 12, 2025 | Sell -- (Common Stock) | 13200 | 37.48 | 86825 |
| Dec 11, 2025 | F -- (Common Stock) | 2490 | 38.02 | 100025 |
| Dec 11, 2025 | M -- (Common Stock) | 6170 | 0 | 102515 |
| Dec 10, 2025 | F -- (Common Stock) | 6441 | 38.25 | 96345 |
| Dec 10, 2025 | M -- (Common Stock) | 15961 | 0 | 102786 |
| Nov 21, 2025 | Sell -- (Common Stock) | 4693 | 35.58 | 84595 |
| Nov 21, 2025 | M -- (Common Stock) | 4693 | 3.38 | 89288 |
| Nov 13, 2025 | Sell -- (Common Stock) | 200 | 35.4 | 83827 |
| Nov 13, 2025 | Sell -- (Common Stock) | 200 | 35.4 | 84527 |
| Nov 13, 2025 | M -- (Common Stock) | 200 | 3.38 | 84727 |
| Nov 12, 2025 | Sell -- (Common Stock) | 500 | 35.39 | 84027 |
| Nov 12, 2025 | Sell -- (Common Stock) | 500 | 35.39 | 84527 |
| Nov 12, 2025 | M -- (Common Stock) | 500 | 3.38 | 85027 |
| Aug 9, 2025 | F -- (Common Stock) | 4294 | 19.36 | 84527 |
| Aug 9, 2025 | M -- (Common Stock) | 10640 | 0 | 88821 |
| Mar 5, 2025 | F -- (Common Stock) | 5573 | 22.23 | 78181 |
| Mar 5, 2025 | M -- (Common Stock) | 13811 | 0 | 83754 |
| Jan 7, 2025 | Sell -- (Common Stock) | 2230 | 30 | 69943 |
| Dec 11, 2024 | F -- (Common Stock) | 495 | 29.63 | 67507 |
| Dec 11, 2024 | M -- (Common Stock) | 1750 | 0 | 68002 |
| Dec 11, 2024 | F -- (Common Stock) | 1503 | 29.63 | 72173 |
| Dec 11, 2024 | M -- (Common Stock) | 6169 | 0 | 73676 |
| Dec 10, 2024 | F -- (Common Stock) | 3887 | 30.91 | 66252 |
| Dec 10, 2024 | M -- (Common Stock) | 15961 | 0 | 70139 |
| Nov 6, 2024 | Sell -- (Common Stock) | 3507 | 35.56 | 54178 |
| Nov 6, 2024 | M -- (Common Stock) | 3507 | 3.38 | 57685 |
| Nov 2, 2024 | Sell -- (Common Stock) | 3100 | 35.39 | 54178 |
| Nov 2, 2024 | M -- (Common Stock) | 1100 | 3.38 | 57278 |
| Aug 10, 2024 | F -- (Common Stock) | 2592 | 26.83 | 56178 |
| Aug 10, 2024 | Acquisition -- (Common Stock) | 10641 | 0 | 58770 |
| Jan 3, 2024 | M -- (Common Stock) | 3301 | 2.39 | 43457 |
| Jan 3, 2024 | M -- (Common Stock) | 3400 | 3.38 | 46857 |
| Dec 11, 2023 | F -- (Common Stock) | 1503 | 20.17 | 38833 |
| Dec 11, 2023 | F -- (Common Stock) | 427 | 20.17 | 40156 |
| Dec 11, 2023 | M -- (Common Stock) | 6170 | 0 | 40336 |
| Dec 11, 2023 | M -- (Common Stock) | 1750 | 0 | 40583 |
| Dec 10, 2023 | F -- (Common Stock) | 3887 | 20.17 | 34166 |
| Dec 10, 2023 | M -- (Common Stock) | 15961 | 0 | 38053 |
| Mar 2, 2023 | M -- (Common Stock) | 6173 | 2.39 | 22092 |
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