Tobin W Juvenal sold $25k of CSTL
Chief Commercial Officer at CASTLE BIOSCIENCES INC. 700 shares at an average of $35.39, traded Nov 11, 2025, filed Nov 14, 2025.
Score components
- +15RoleOfficer
- 0Trade size$25k at market
- 0Share of holdings soldSold 0.8% of holdings
- +15Cluster4 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +15.5%, 3m -0.9%, 6m -42.8%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001628280-25-052350, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Nov 11, 2025 | MOption exercise Common Stock10b5-1 | +500 | $3.38 | $1,690 | 85,027 | Nov 14, 2025 |
| Nov 11, 2025 | SOpen-market sale Common Stock10b5-1 | -500 | $35.39 | $18k | 84,527 | Nov 14, 2025 |
| Nov 12, 2025 | MOption exercise Common Stock10b5-1 | +200 | $3.38 | $676 | 84,727 | Nov 14, 2025 |
| Nov 12, 2025 | SOpen-market sale Common Stock10b5-1 | -200 | $35.40 | $7,080 | 84,527 | Nov 14, 2025 |
| Nov 11, 2025 | MOption exercise Stock option (right to buy)derivative10b5-1 | -500 | $0.00 | $0 | 16,103 | Nov 14, 2025 |
| Nov 12, 2025 | MOption exercise Stock option (right to buy)derivative10b5-1 | -200 | $0.00 | $0 | 15,903 | Nov 14, 2025 |
Related signals
Other insiders at CASTLE BIOSCIENCES INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 33Weak | CASTLE BIOSCIENCES INC | Derek J Maetzold Pres. & Chief Exec. Officer | $516k 14,496 shares | -49% | |
| 16Weak | CASTLE BIOSCIENCES INC | Kristen M Oelschlager Chief Operating Officer | $149k 4,153 shares | -24% | |
| 28Weak | CASTLE BIOSCIENCES INC | Tobin W Juvenal Chief Commercial Officer | $232k 6,577 shares | -11% | |
| 33Weak | CASTLE BIOSCIENCES INC | Derek J Maetzold Pres. & Chief Exec. Officer | $512k 14,496 shares | -48% | |
| 27Weak | CASTLE BIOSCIENCES INC | Tobin W Juvenal Chief Commercial Officer | $223k 6,600 shares | -10% | |
| 32Weak | CASTLE BIOSCIENCES INC | Derek J Maetzold Pres. & Chief Exec. Officer | $465k 14,518 shares | -48% | |
| 16Weak | CASTLE BIOSCIENCES INC | Kristen M Oelschlager Chief Operating Officer | $139k 4,152 shares | -24% | |
| 17Weak | CASTLE BIOSCIENCES INC | Tobin W Juvenal Chief Commercial Officer | $57k 1,730 shares | -3% | |
| 45Moderate | CASTLE BIOSCIENCES INC | Derek J Maetzold Pres. & Chief Exec. Officer | $616k 18,560 shares | -55% | |
| 29Weak | CASTLE BIOSCIENCES INC | Tobin W Juvenal Chief Commercial Officer | $317k 9,050 shares | -12% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.