Maetzold Derek J
Pres. &Chief Exec. Officer
1 company
Insider Signal Score
69
StrongTrades Analyzed
180
12M Win Rate
73.0%
Avg 3M Return
+5.9%
Avg 12M Return
+20.8%
Maetzold Derek J is a Pres. &Chief Exec. Officer at CASTLE BIOSCIENCES INC. Recent SEC Form 4 filings include 0 buys and 123 sells.
Estimated insider holdings value: $1.9M based on current market prices.
Holdings by Company
CSTLJan 12, 2026
Current Shares91.7K
Value$1.93M
Net Activity-456,298
Bought: 0Sold: 456.3K
Transaction History
Showing 10 filings (page 3)
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 10, 2025 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 29,177 | $20.07 | $585,673.31 | -5.2% | -4.0% | +40.5% | |
| Mar 4, 2025 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sale+OE | 5,687 | $20.86 | $118,619.45 | -2.2% | -26.8% | +26.7% | |
| Jan 13, 2025 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 2,565 | $28.03 | $71,902.93 | -0.4% | -23.9% | +51.6% | |
| Jan 7, 2025 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 7,808 | $29.67 | $231,653.36 | -0.8% | -40.7% | +26.2% | |
| Dec 17, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 9,364 | $28.34 | $265,357.92 | -5.2% | -28.8% | +40.9% | |
| Dec 16, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 26,123 | $28.72 | $750,296.13 | -4.0% | -30.5% | +35.6% | |
| Dec 5, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 5,127 | $31.35 | $160,741.70 | -2.0% | -33.7% | +20.1% | |
| Nov 12, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 5,127 | $34.15 | $175,087.05 | -2.0% | -15.5% | +6.2% | |
| Nov 4, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 5,127 | $32.54 | $166,819.96 | -1.0% | -14.5% | -6.0% | |
| Oct 14, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 5,127 | $32.27 | $165,463.67 | -1.9% | -23.7% | -34.7% |