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Home/Companies/Castle Biosciences, Inc.

Castle Biosciences, Inc.

252 insider trades tracked

CSTL
Insider trades
252
Bought (open market)
$0
Sold (open market)
$18.6M
Unique insiders
11

12-month activity

Monthly insider buy vs sell totals for Castle Biosciences, Inc..

BuysSells
Show data table
MonthBuysSellsFilings
October 2025$0$378K3
November 2025$0$1.9M13
December 2025$0$2.7M26
January 2026$0$316K7
February 2026$0$159K3
March 2026$0$3.6M50
April 2026$0$309K10
May 2026$0$267K34
June 2026$0$435K12
July 2026$0$1.5M28
August 2026$0$4.9M40
September 2026$0$139K3

Recent insider trades

Most recent Form 4 filings for Castle Biosciences, Inc..

  • Oelschlager Kristen Msold200 shares ofCSTLat $34.02$7KSep 1 · filed Sep 3Details
  • Oelschlager Kristen Msold3,952 shares ofCSTLat $33.36$132KSep 1 · filed Sep 3Details
  • Oelschlager Kristen Mexercised4,152 shares ofCSTLat $3.38$14KSep 1

Insiders at this company

Executives and directors who have filed Form 4s.

  • MAETZOLD DEREK J151 trades
  • Oelschlager Kristen M33 trades
  • Juvenal Tobin W28 trades
  • Stokes Frank20 trades
  • Cotton Rodney5 trades
  • Cole G Bradley5 trades
  • BRADBURY DANIEL2 trades
  • Olson Tiffany2 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
· filed Sep 3
Details
  • Juvenal Tobin Wsold1,730 shares ofCSTLat $32.81$57KAug 31 · filed Sep 2Details
  • MAETZOLD DEREK Jsold21 shares ofCSTLat $33.88$711Aug 28 · filed Sep 1Details
  • MAETZOLD DEREK Jsold177 shares ofCSTLat $33.88$6KAug 28 · filed Sep 1Details
  • MAETZOLD DEREK Jsold209 shares ofCSTLat $33.88$7KAug 28 · filed Sep 1Details
  • MAETZOLD DEREK Jsold956 shares ofCSTLat $33.88$32KAug 28 · filed Sep 1Details
  • MAETZOLD DEREK Jsold257 shares ofCSTLat $33.14$9KAug 28 · filed Sep 1Details
  • MAETZOLD DEREK Jsold2,129 shares ofCSTLat $33.14$71KAug 28 · filed Sep 1Details
  • MAETZOLD DEREK Jsold2,505 shares ofCSTLat $33.14$83KAug 28 · filed Sep 1Details
  • MAETZOLD DEREK Jsold11,472 shares ofCSTLat $33.14$380KAug 28 · filed Sep 1Details
  • MAETZOLD DEREK Jexercised12,428 shares ofCSTLat $2.39$30KAug 28 · filed Sep 1Details
  • Juvenal Tobin Wsold9,050 shares ofCSTLat $35.04$317KAug 25 · filed Aug 27Details
  • Oelschlager Kristen Msold5,223 shares ofCSTLat $34.639$181KAug 25 · filed Aug 26Details
  • Oelschlager Kristen Msold7,161 shares ofCSTLat $34.263$245KAug 25 · filed Aug 26Details
  • Oelschlager Kristen Msold12,218 shares ofCSTLat $33.687$412KAug 24 · filed Aug 26Details
  • Juvenal Tobin Wsold1,730 shares ofCSTLat $29.59$51KAug 17 · filed Aug 19Details
  • MAETZOLD DEREK Jsold278 shares ofCSTLat $30.02$8KAug 14 · filed Aug 18Details
  • MAETZOLD DEREK Jsold2,306 shares ofCSTLat $30.02$69KAug 14 · filed Aug 18Details
  • MAETZOLD DEREK Jsold2,714 shares ofCSTLat $30.02$81KAug 14 · filed Aug 18Details
  • MAETZOLD DEREK Jsold1,100 shares ofCSTLat $30.02$33KAug 14 · filed Aug 18Details
  • MAETZOLD DEREK Jexercised1,100 shares ofCSTLat $2.39$3KAug 14 · filed Aug 18Details
  • Stokes Franksold24,908 shares ofCSTLat $29.77$742KAug 14 · filed Aug 18Details
  • MAETZOLD DEREK Jsold473 shares ofCSTLat $30.681$15KAug 5 · filed Aug 6Details
  • MAETZOLD DEREK Jsold556 shares ofCSTLat $30.681$17KAug 5 · filed Aug 6Details
  • MAETZOLD DEREK Jsold2,546 shares ofCSTLat $30.681$78KAug 5 · filed Aug 6Details
  • MAETZOLD DEREK Jexercised2,546 shares ofCSTLat $2.39$6KAug 5 · filed Aug 6Details
  • MAETZOLD DEREK Jsold4,063 shares ofCSTLat $31.336$127KAug 4 · filed Aug 6Details
  • MAETZOLD DEREK Jsold4,782 shares ofCSTLat $31.336$150KAug 4 · filed Aug 6Details
  • View all trades for CSTL →
    Caple Kim
    2 trades
  • Goldberg Ellen2 trades
  • Harrison Miles2 trades