DM
Derek J Maetzold (Pres. & Chief Exec. Officer) filed 22 Form 4 reports in the trailing twelve months (0 purchases, 22 sales), most often in Castle Biosciences, Inc. (CSTL). The largest single filing was $1.2M of CSTL (31,334 sh across 2 lots, as filed), executed Dec 15 2025. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
22
0 buys · 22 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$8.5M
shares × price, as filed
Last traded
Nov 2
Filed Nov 4
Median ADV $11.6M across their filed names
Open performance→Volume by month
Buys $0
Sells $11.4M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
22 filings
Sector per market data · by filing · past 12 months
Most traded names
CSTLRecent filings
CSTLSALE
Castle Biosciences, Inc.
View filing →
$405K19,936 sh across 3 lots
Exec Jun 27 2025
Filed Jul 1 2025 · 5:30 PM ET CSTLSALE Castle Biosciences, Inc. View filing → $411K
20,516 sh × $20.05
Exec Mar 7 2025
Filed Mar 11 2025 · 5:30 PM ET CSTLSALE Castle Biosciences, Inc. View filing → $262K
9,252 sh × $28.33
Exec Dec 17 2024
Filed Dec 19 2024 · 5:30 PM ET CSTLSALE Castle Biosciences, Inc. View filing → $608K
21,223 sh across 2 lots
Exec Dec 13 2024
Filed Dec 17 2024 · 5:30 PM ET