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 105 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 4)
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 8, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 2,562 | $30.27 | $77,549.18 | -1.0% | -2.2% | -21.4% | |
| Oct 4, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 2,565 | $28.73 | $73,702.71 | -0.9% | -4.5% | -22.6% | |
| Sep 16, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 5,127 | $30.97 | $158,793.44 | -1.9% | -6.9% | -29.7% | |
| Sep 11, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 2,616 | $30.32 | $79,317.12 | -0.9% | -4.5% | -26.7% | |
| Sep 9, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 2,586 | $29.46 | $76,175.80 | -0.9% | +5.4% | -16.0% | |
| Sep 4, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 1,914 | $30.04 | $57,492.72 | -0.3% | +6.5% | -20.1% | |
| Aug 30, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 4,441 | $30.08 | $133,583.74 | -0.8% | +2.1% | -19.1% | |
| Aug 26, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 2,987 | $30.09 | $89,867.68 | -0.5% | +2.3% | -26.0% | |
| Jun 3, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 6,336 | $23.40 | $148,272.76 | -1.3% | +24.7% | -28.6% | |
| May 14, 2024 | CSTL Castle Biosciences Inc | Pres. &Chief Exec. Officer | Sell | 6,336 | $24.27 | $153,753.14 | -1.2% | +11.9% | -31.7% |