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Insider filing · CSTL

Tobin W Juvenal sold $450K of Castle Biosciences (CSTL)

Executed Jul 31, disclosed Aug 4, 4 days later.

Value, as filed
$450K
15,419 sh across 2 lots
Executed
Jul 31
the trade date, as filed
Disclosed
Aug 4
4 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only

Returns are measured on stock purchases only.

The filer
TJ Tobin W Juvenal Chief Commercial Officer profile →

Tobin W Juvenal (Chief Commercial Officer) filed 10 Form 4 reports in the trailing twelve months (0 purchases, 10 sales), most often in Castle Biosciences, Inc. (CSTL). The largest single filing was $527K of CSTL (20,863 sh × $25.24, as filed), executed Mar 12.

The name
CSTL Castle Biosciences, Inc. CSTL · Healthcare · 59 filings in 24 months ticker →

Healthcare · Castle Biosciences, Inc., a molecular diagnostics company, provides test solutions for the diagnosis and treatment of dermatologic cancers,…

More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→
Other filings by Tobin W Juvenal in CSTL
CSTLSALE Castle Biosciences, Inc. $196K
5,341 sh × $36.62
Exec Oct 28
Filed Oct 30 · 4:06 PM ET
CSTLSALE Castle Biosciences, Inc. $109K
3,288 sh × $33.08
Exec Oct 26
Filed Oct 28 · 4:08 PM ET
CSTLSALE Castle Biosciences, Inc. $111K
3,288 sh × $33.64
Exec Oct 12
Filed Oct 14 · 4:06 PM ET
CSTLSALE Castle Biosciences, Inc. $197K
5,543 sh × $35.50
Exec Sep 29
Filed Oct 1 · 4:21 PM ET
CSTLSALE Castle Biosciences, Inc. $223K
6,600 sh across 2 lots
Exec Sep 14
Filed Sep 16 · 4:20 PM ET
CSTLSALE Castle Biosciences, Inc. $317K
9,050 sh × $35.04
Exec Aug 25
Filed Aug 27 · 4:38 PM ET
CSTLSALE Castle Biosciences, Inc. $527K
20,863 sh × $25.24
Exec Mar 12
Filed Mar 16 · 5:30 PM ET
CSTLSALE Castle Biosciences, Inc. $495K
13,200 sh × $37.48
Exec Dec 11 2025
Filed Dec 15 2025 · 5:30 PM ET