KO
Kristen M Oelschlager (Chief Operating Officer) filed 7 Form 4 reports in the trailing twelve months (0 purchases, 7 sales), most often in Castle Biosciences, Inc. (CSTL). The largest single filing was $838K of CSTL (24,602 sh across 3 lots, as filed), executed Aug 24. 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
7
0 buys · 7 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$2.0M
shares × price, as filed
Last traded
Oct 1
Filed Oct 5
Median ADV $11.6M across their filed names
Open performance→Volume by month
Buys $0
Sells $4.1M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
7 filings
Sector per market data · by filing · past 12 months
Most traded names
CSTLRecent filings
CSTLSALE
Castle Biosciences, Inc.
View filing →
$391K18,007 sh × $21.69
Exec Aug 27 2025
Filed Nov 4 2025 · 5:30 PM ET † CSTLSALE Castle Biosciences, Inc. View filing → $391K
18,007 sh × $21.69
Exec Aug 27 2025
Filed Aug 29 2025 · 5:30 PM ET CSTLSALE Castle Biosciences, Inc. View filing → $279K
12,677 sh × $22.02
Exec Aug 27 2025
Filed Aug 29 2025 · 5:30 PM ET