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Insider ActivityCSTL

MAETZOLD DEREK J, Pres. & Chief Exec. Officer, Director at CASTLE BIOSCIENCES INC, sold $130K of CSTL

Updated Jun 6, 2026
MAETZOLD DEREK J Pres. & Chief Exec. Officer, Director
CASTLE BIOSCIENCES INC · $CSTL
$130K Total Value
6,214 Shares Traded
$20.857 Price / Share
21,479 Shares Owned After
2026-06-03 Filing Date

Transaction Details

InsiderMAETZOLD DEREK J
TitlePres. & Chief Exec. Officer, Director
CompanyCASTLE BIOSCIENCES INC
TickerCSTL
Transaction TypeSale
Transaction Date2026-06-01
Shares Traded6,214
Price Per Share$20.857
Total Value$130K
Filed Date2026-06-03
Accession Number0001628280-26-040260

Ownership Context

Shares Owned After Transaction21,479
Ownership TypeDirect

SEC Filing

↗ View Original SEC Filing

Accession: 0001628280-26-040260

Other Insider Trades — CSTL

InsiderTitleActionValueDate
MAETZOLD DEREK JPres. & Chief Exec. Officer, Directorsold$28K2026-06-01
MAETZOLD DEREK JPres. & Chief Exec. Officer, Directortraded$4882026-06-01
MAETZOLD DEREK JPres. & Chief Exec. Officer, Directorsold$6K2026-06-01
MAETZOLD DEREK JPres. & Chief Exec. Officer, Directorsold$24K2026-06-01
MAETZOLD DEREK JPres. & Chief Exec. Officer, Directortraded$14K2026-06-01
Cole G BradleyDirectortraded—2026-05-28
Cotton RodneyDirectortraded—2026-05-28
Harrison MilesDirectortraded—2026-05-28
Goldberg EllenDirectortraded—2026-05-28
BRADBURY DANIELDirectortraded—2026-05-28

Other Trades by MAETZOLD DEREK J

TickerCompanyActionValueDate
CSTLCASTLE BIOSCIENCES INCtraded$4882026-06-01
CSTLCASTLE BIOSCIENCES INCtraded$14K2026-06-01
CSTLCASTLE BIOSCIENCES INCsold$28K2026-06-01
CSTLCASTLE BIOSCIENCES INCsold$24K2026-06-01
CSTLCASTLE BIOSCIENCES INCsold$6K2026-06-01
CSTLCASTLE BIOSCIENCES INCtraded$1K2026-05-21
CSTLCASTLE BIOSCIENCES INCsold$8K2026-05-21
CSTLCASTLE BIOSCIENCES INCsold$21K2026-05-21
CSTLCASTLE BIOSCIENCES INCsold$18K2026-05-21
CSTLCASTLE BIOSCIENCES INCsold$4K2026-05-21

Full Ticker Profile

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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.

Last updated: June 06, 2026 at 07:01 UTC

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