Juvenal Tobin W Insider Trading Activity

Corporate InsiderChief Commercial Officer · CIK 1856542

5

Total trades

$1.2M

Total volume

Mar 12, 2026

Last activity

CSTL

CASTLE BIOSCIENCES INC

Juvenal Tobin W has been net-selling over the last 12 months with 0 purchases and 5 sales across 1 company.

CSTL is the most-traded position with 5 trades. The largest single transaction was a sale of CSTL for $527K on Mar 12, 2026.

Performance Scorecard

Forward stock performance after each transaction by Juvenal Tobin W. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days-6.4%20%5
90 days+13.9%100%5
120 days+25.7%100%5

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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CSTL · CASTLE BIOSCIENCES INC

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Recent Trades

DATETICKERTYPESHARESPRICEVALUEΔ OWNEDROLEFILING
Mar 12, 2026
CSTLSell20,863$25.24$527K−19.4%Chief Commercial Officer
Dec 11, 2025
CSTLSell13,200$37.48$495K−13.2%Chief Commercial Officer
Nov 20, 2025
CSTLSell4,693$35.58$167K−5.3%Chief Commercial Officer
Nov 12, 2025
CSTLSell200$35.40$7K−0.2%Chief Commercial Officer
Nov 11, 2025
CSTLSell500$35.39$18K−0.6%Chief Commercial Officer

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
CSTLCASTLE BIOSCIENCES INC5$1.2M

Other insiders at CASTLE BIOSCIENCES INC

3 other tracked filers at CSTL.