캐슬 바이오사이언시스, Inc.
| Security | CSTL / Castle Biosciences, Inc. |
| Insider | Tobin W Juvenal |
This page shows the track record and history of Juvenal Tobin W
insider trades in Castle Biosciences, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company.
It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean
it is illegal for them to make any
trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis
In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Tobin W Juvenal in CSTL / Castle Biosciences, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Max |
Price at Max |
Max Profit ($) |
Max Return (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Tobin W Juvenal in CSTL / Castle Biosciences, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Min |
Price at Min |
Max Loss Avoided ($) |
Max Loss Avoided (%) |
|---|---|---|---|---|---|---|---|---|---|
| 2025-12-11 | 13,200 | 37.4800 | 13,200 | 37.4800 | 494,736 | 153 | 18.1500 | -255,156 | -51.57 |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-26 | 2026-05-21 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 3.3800 | 11,210 | 38 | 98,035 | ||||
| 2026-03-16 | 2026-03-12 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 25.2400 | -20,863 | -527 | 86,825 | ||||
| 2026-03-05 | 2026-03-04 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 28.1700 | -10,399 | -293 | 107,688 | ||||
| 2026-03-05 | 2026-03-04 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 25,771 | 118,087 | ||||||
| 2026-03-05 | 2026-03-03 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 27.5700 | -3,716 | -102 | 92,316 | ||||
| 2026-01-14 | 2026-01-12 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 9,207 | 96,032 | ||||||
| 2025-12-15 | 2025-12-11 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 37.4800 | -13,200 | -495 | 86,825 | ||||
| 2025-12-11 | 2025-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 38.0200 | -2,490 | -95 | 100,025 | ||||
| 2025-12-11 | 2025-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 6,170 | 102,515 | ||||||
| 2025-12-11 | 2025-12-09 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 38.2500 | -6,441 | -246 | 96,345 | ||||
| 2025-12-11 | 2025-12-09 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 15,961 | 102,786 | ||||||
| 2025-11-24 | 2025-11-20 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 35.5800 | -4,693 | -167 | 84,595 | ||||
| 2025-11-24 | 2025-11-20 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 3.3800 | 4,693 | 16 | 89,288 | ||||
| 2025-11-14 | 2025-11-12 | 4/A | Juvenal Tobin W | CSTL | Common Stock | D | 35.4000 | -200 | -7 | 84,527 | ||||
| 2025-11-14 | 2025-11-12 | 4/A | Juvenal Tobin W | CSTL | Common Stock | D | 3.3800 | 200 | 1 | 84,727 | ||||
| 2025-11-14 | 2025-11-11 | 4/A | Juvenal Tobin W | CSTL | Common Stock | D | 35.3900 | -500 | -18 | 84,527 | ||||
| 2025-11-14 | 2025-11-11 | 4/A | Juvenal Tobin W | CSTL | Common Stock | D | 3.3800 | 500 | 2 | 85,027 | ||||
| 2025-11-13 | 2025-11-12 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 35.4000 | -200 | -7 | 83,827 | ||||
| 2025-11-13 | 2025-11-11 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 35.3900 | -500 | -18 | 84,027 | ||||
| 2025-08-12 | 2025-08-08 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 19.3600 | -4,294 | -83 | 84,527 | ||||
| 2025-08-12 | 2025-08-08 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 10,640 | 88,821 | ||||||
| 2025-03-06 | 2025-03-04 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 22.2300 | -5,573 | -124 | 78,181 | ||||
| 2025-03-06 | 2025-03-04 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 13,811 | 83,754 | ||||||
| 2025-01-08 | 2025-01-06 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 30.0000 | -2,230 | -67 | 69,943 | ||||
| 2024-12-11 | 2024-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 29.6300 | -1,503 | -45 | 72,173 | ||||
| 2024-12-11 | 2024-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 6,169 | 73,676 | ||||||
| 2024-12-11 | 2024-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 29.6300 | -495 | -15 | 67,507 | ||||
| 2024-12-11 | 2024-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 1,750 | 68,002 | ||||||
| 2024-12-11 | 2024-12-09 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 30.9100 | -3,887 | -120 | 66,252 | ||||
| 2024-12-11 | 2024-12-09 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 15,961 | 70,139 | ||||||
| 2024-11-07 | 2024-11-05 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 35.5600 | -3,507 | -125 | 54,178 | ||||
| 2024-11-07 | 2024-11-05 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 3.3800 | 3,507 | 12 | 57,685 | ||||
| 2024-11-05 | 2024-11-01 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 35.3900 | -3,100 | -110 | 54,178 | ||||
| 2024-11-05 | 2024-11-01 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 3.3800 | 1,100 | 4 | 57,278 | ||||
| 2024-08-13 | 2024-08-09 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 26.8300 | -2,592 | -70 | 56,178 | ||||
| 2024-08-13 | 2024-08-09 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 10,641 | 58,770 | ||||||
| 2024-01-04 | 2024-01-02 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 3.3800 | 3,400 | 11 | 46,857 | ||||
| 2024-01-04 | 2024-01-02 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 2.3900 | 3,301 | 8 | 43,457 | ||||
| 2023-12-12 | 2023-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 20.1700 | -427 | -9 | 40,156 | ||||
| 2023-12-12 | 2023-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 1,750 | 40,583 | ||||||
| 2023-12-12 | 2023-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 20.1700 | -1,503 | -30 | 38,833 | ||||
| 2023-12-12 | 2023-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 6,170 | 40,336 | ||||||
| 2023-12-12 | 2023-12-09 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 20.1700 | -3,887 | -78 | 34,166 | ||||
| 2023-12-12 | 2023-12-09 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 15,961 | 38,053 | ||||||
| 2023-03-03 | 2023-03-01 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 2.3900 | 6,173 | 15 | 22,092 | ||||
| 2022-12-13 | 2022-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 22.3200 | -1,503 | -34 | 15,039 | ||||
| 2022-12-13 | 2022-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 6,170 | 16,542 | ||||||
| 2022-12-13 | 2022-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 22.3200 | -427 | -10 | 10,372 | ||||
| 2022-12-13 | 2022-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 1,750 | 10,799 | ||||||
| 2022-11-14 | 2022-11-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 2.3900 | 3,221 | 8 | 9,049 | ||||
| 2022-11-14 | 2022-11-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 2.3600 | 479 | 1 | 5,828 | ||||
| 2022-04-28 | 2022-04-26 | 4 | Juvenal Tobin W By Tobin W and Susan M Juvenal Family Revocable Trust | CSTL | Common Stock | I | 2,230 | 2,230 | ||||||
| 2021-12-14 | 2021-12-10 | 4 | Juvenal Tobin W | CSTL | Restricted Stock Units | D | -1,750 | 5,250 | ||||||
| 2021-12-14 | 2021-12-10 | 4 | Juvenal Tobin W | CSTL | Restricted Stock Units | D | 24,679 | 24,679 | ||||||
| 2021-12-14 | 2021-12-10 | 4 | Juvenal Tobin W | CSTL | Stock option (right to buy) | D | 40.52 | 42,550 | 42,550 | |||||
| 2021-12-14 | 2021-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 40.5200 | -427 | -17 | 4,855 | ||||
| 2021-12-14 | 2021-12-10 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 1,750 | 5,282 | ||||||
| 2021-06-21 | 2021-06-17 | 4 | Juvenal Tobin W | CSTL | Stock option (right to buy) | D | 2.39 | -4,737 | 12,695 | |||||
| 2021-06-21 | 2021-06-17 | 4 | Juvenal Tobin W | CSTL | Stock option (right to buy) | D | 2.36 | -5,263 | 479 | |||||
| 2021-06-21 | 2021-06-17 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 75.4000 | -10,000 | -754 | 2,827 | ||||
| 2021-06-21 | 2021-06-17 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 2.3900 | 4,737 | 11 | 12,827 | ||||
| 2021-06-21 | 2021-06-17 | 4 | Juvenal Tobin W | CSTL | Common Stock | D | 2.3600 | 5,263 | 12 | 8,090 | ||||
| 2021-04-16 | 3/A | Juvenal Tobin W | CSTL | Common Stock | D | 2,827 | ||||||||
| 2021-04-15 | 3 | Juvenal Tobin W | CSTL | Common Stock | D | 2,827 | ||||||||
| 2021-04-15 | 3/A | Juvenal Tobin W | CSTL | Common Stock | D | 2,827 |
P
공개 시장에서 또는 사적으로 비파생증권 또는 파생증권 매입
S
공개 시장에서 또는 사적으로 비파생증권 또는 파생증권 매각
A
자사로부터 유가증권(옵션 등)을 보조, 지급 또는 기타 취득
C
파생상품 전환
D
자사에게 유가증권을 매각 또는 양도
F
기업으로부터 인도 받은 유가증권의 일부를 사용한 행사 가격 또는 조세 채무의 지급
G
내부자에 의한 또는 내부자에게 증권 증여
K
지분스왑 및 유사 위험 회피거래
M
자사로부터 인도 받은 파생증권(옵션 등)의 행사 또는 전환
V
보고서 양식 4에 자진 신고된 거래
J
기타 (거래 내용을 설명하는 각주와 동반)
