Derek J Maetzold sold $586k of CSTL
Pres. & Chief Exec. Officer at CASTLE BIOSCIENCES INC. 29,177 shares at an average of $20.07, traded Mar 7, 2025, filed Mar 11, 2025.
Score components
- +25RoleCEO
- +19Trade size$586k at market
- +10Share of holdings soldSold 28% of holdings
- 0ClusterNo other insider selling within 14 days
- -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 -1.2%, 3m -7.7%, 6m +26.2%.
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 0001447362-25-000042, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 7, 2025 | SOpen-market sale Common Stock10b5-1 | -20,516 | $20.05 | $411k | 82,588 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold Descendants 2020 Trust10b5-1 | -1,828 | $20.05 | $37k | 67,231 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By Derek Maetzold 2020 Irrevocable Trust10b5-1 | -1,569 | $20.05 | $31k | 57,265 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk10b5-1 | -150 | $20.05 | $3,008 | 4,788 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold10b5-1 | -150 | $20.05 | $3,008 | 4,785 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold10b5-1 | -150 | $20.05 | $3,008 | 4,785 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold10b5-1 | -150 | $20.05 | $3,008 | 4,785 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stock10b5-1 | -2,123 | $20.74 | $44k | 80,465 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold Descendants 2020 Trust10b5-1 | -189 | $20.74 | $3,921 | 67,042 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By Derek Maetzold 2020 Irrevocable Trust10b5-1 | -162 | $20.74 | $3,361 | 57,103 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk10b5-1 | -15 | $20.74 | $311 | 4,773 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold10b5-1 | -15 | $20.74 | $311 | 4,770 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold10b5-1 | -15 | $20.74 | $311 | 4,770 | Mar 11, 2025 |
| Mar 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold10b5-1 | -15 | $20.74 | $311 | 4,770 | Mar 11, 2025 |
| Mar 10, 2025 | SOpen-market sale Common Stock10b5-1 | -2,130 | $19.52 | $42k | 78,335 | Mar 11, 2025 |
Related signals
Other insiders at CASTLE BIOSCIENCES INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| Pro nowfree Oct 14, 2026 | 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.