sellWeak cluster of 310b5-1 plan
Derek J Maetzold sold $228k of CSTL
Pres. & Chief Exec. Officer at CASTLE BIOSCIENCES INC. 7,689 shares at an average of $29.66, traded Jan 6, 2025, filed Jan 8, 2025.
Warning score
33Value
$228k
7,689 shares
Holdings after
5,254
-9% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet
Score components
- +25RoleCEO
- +13Trade size$228k at market
- 0Share of holdings soldSold 9.1% of holdings
- +15Cluster3 insiders 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 -15.6%, 3m -38.5%, 6m -38.5%.
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.
CSTLOct 9, 2026 · close 34.42
Since filing Jan 8, 2025: +5.2%SPY +34.6% · excess -29.4%
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 0001447362-25-000006, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jan 6, 2025 | SOpen-market sale Common Stock10b5-1 | -678 | $28.42 | $19k | 84,084 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold Descendants 2020 Trust10b5-1 | -346 | $28.42 | $9,834 | 72,755 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By Derek Maetzold 2020 Irrevocable Trust10b5-1 | -325 | $28.42 | $9,237 | 62,144 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk10b5-1 | -103 | $28.42 | $2,927 | 5,607 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold10b5-1 | -102 | $28.42 | $2,899 | 5,600 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold10b5-1 | -102 | $28.42 | $2,899 | 5,600 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold10b5-1 | -102 | $28.42 | $2,899 | 5,600 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stock10b5-1 | -310 | $29.13 | $9,031 | 83,774 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold Descendants 2020 Trust10b5-1 | -160 | $29.13 | $4,661 | 72,595 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By Derek Maetzold 2020 Irrevocable Trust10b5-1 | -149 | $29.13 | $4,341 | 61,995 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk10b5-1 | -47 | $29.13 | $1,369 | 5,560 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold10b5-1 | -47 | $29.13 | $1,369 | 5,553 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold10b5-1 | -47 | $29.13 | $1,369 | 5,553 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold10b5-1 | -47 | $29.13 | $1,369 | 5,553 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stock10b5-1 | -1,727 | $30.18 | $52k | 82,047 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold Descendants 2020 Trust10b5-1 | -885 | $30.18 | $27k | 71,710 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By Derek Maetzold 2020 Irrevocable Trust10b5-1 | -831 | $30.18 | $25k | 61,164 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk10b5-1 | -264 | $30.18 | $7,966 | 5,296 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold10b5-1 | -262 | $30.18 | $7,906 | 5,291 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold10b5-1 | -262 | $30.18 | $7,906 | 5,291 | Jan 8, 2025 |
| Jan 6, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold10b5-1 | -262 | $30.18 | $7,906 | 5,291 | Jan 8, 2025 |
| Jan 7, 2025 | SOpen-market sale Common Stock10b5-1 | -243 | $30.14 | $7,324 | 81,804 | Jan 8, 2025 |
| Jan 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold Descendants 2020 Trust10b5-1 | -124 | $30.14 | $3,737 | 71,586 | Jan 8, 2025 |
| Jan 7, 2025 | SOpen-market sale Common Stockindirect: By Derek Maetzold 2020 Irrevocable Trust10b5-1 | -117 | $30.14 | $3,526 | 61,047 | Jan 8, 2025 |
| Jan 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk10b5-1 | -36 | $30.14 | $1,085 | 5,260 | Jan 8, 2025 |
| Jan 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold10b5-1 | -37 | $30.14 | $1,115 | 5,254 | Jan 8, 2025 |
| Jan 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold10b5-1 | -37 | $30.14 | $1,115 | 5,254 | Jan 8, 2025 |
| Jan 7, 2025 | SOpen-market sale Common Stockindirect: By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold10b5-1 | -37 | $30.14 | $1,115 | 5,254 | Jan 8, 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.