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 →
$161K4,017 sh × $40.01
Exec Jan 20
Filed Jan 22 · 5:30 PM ET CSTLSALE Castle Biosciences, Inc. View filing → $102K
2,678 sh × $38.09
Exec Jan 5
Filed Jan 7 · 5:30 PM ET CSTLSALE Castle Biosciences, Inc. View filing → $1.2M
31,334 sh across 2 lots
Exec Dec 15 2025
Filed Dec 17 2025 · 5:30 PM ET CSTLSALE Castle Biosciences, Inc. View filing → $105K
2,678 sh × $39.23
Exec Dec 2 2025
Filed Dec 4 2025 · 5:30 PM ET CSTLSALE Castle Biosciences, Inc. View filing → $171K
4,258 sh × $40.09
Exec Nov 26 2025
Filed Dec 1 2025 · 5:30 PM ET CSTLSALE Castle Biosciences, Inc. View filing → $205K
5,115 sh × $40.05
Exec Nov 25 2025
Filed Nov 26 2025 · 5:30 PM ET CSTLSALE Castle Biosciences, Inc. View filing → $196K
6,458 sh × $30.41
Exec Nov 4 2025
Filed Nov 6 2025 · 5:30 PM ET CSTLSALE Castle Biosciences, Inc. View filing → $839K
43,019 sh × $19.50
Exec Aug 13 2025
Filed Aug 15 2025 · 5:30 PM ET More filings →