TOP TIERMARKET NEWSWIRE
SEC Form 4 history

CASTLE BIOSCIENCES I (CSTL) insider trades

CASTLE BIOSCIENCES I (CSTL) insider trading activity (SEC Form 4). Over the trailing 90 days, CSTL insiders filed 0 purchases totalling $0 and 19 sales totalling $6.5M — net SELLING of $6.5M. Most recent filing: Nov 4, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.

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Buys (90d)
0
$0
Sells (90d)
19
$6.5M
Net (90d)
-$6.5M
net selling
Most recent
Nov 4, 2026

Recent transactions

FiledInsiderRoleTypeSharesPriceValue
Nov 4, 2026Maetzold Derek JPres, Chief Exec. OfficerS Sale—$36.10$523Kfiling
Oct 30, 2026Juvenal Tobin WChief Commercial OfficerS Sale—$36.42$240Kfiling
Oct 28, 2026Juvenal Tobin WChief Commercial OfficerS Sale—$33.08$109Kfiling
Oct 21, 2026Maetzold Derek JPres, Chief Exec. OfficerS Sale—$31.91$463Kfiling
Oct 14, 2026Juvenal Tobin WChief Commercial OfficerS Sale—$33.64$111Kfiling
Oct 7, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$35.57$516Kfiling
Oct 5, 2026Oelschlager Kristen MCOOS SaleOE—$35.95$149Kfiling
Oct 1, 2026Juvenal Tobin WChief Commercial OfficerS Sale—$35.29$232Kfiling
Sep 23, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$35.33$512Kfiling
Sep 16, 2026Juvenal Tobin WChief Commercial OfficerS Sale—$33.73$223Kfiling
Sep 15, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$32.02$465Kfiling
Sep 3, 2026Oelschlager Kristen MCOOS SaleOE—$33.39$139Kfiling
Sep 2, 2026Juvenal Tobin WChief Commercial OfficerS Sale—$32.81$57Kfiling
Sep 1, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$33.20$616Kfiling
Aug 27, 2026Juvenal Tobin WChief Commercial OfficerS Sale—$35.04$317Kfiling
Aug 26, 2026Oelschlager Kristen MCOOS Sale—$34.06$838Kfiling
Aug 19, 2026Juvenal Tobin WChief Commercial OfficerS Sale—$29.59$51Kfiling
Aug 18, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$30.02$217Kfiling
Aug 18, 2026Stokes FrankCFOS Sale—$29.77$742Kfiling
Aug 6, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$31.07$1.2Mfiling
Aug 5, 2026Oelschlager Kristen MCOOS Sale—$29.77$256Kfiling
Aug 4, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$30.28$867Kfiling
Aug 4, 2026Juvenal Tobin WChief Commercial OfficerS Sale—$29.21$556Kfiling
Jul 29, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$24.16$238Kfiling
Jul 16, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$22.92$96Kfiling
Jul 6, 2026Oelschlager Kristen MCOOS Sale—$24.42$210Kfiling
Jul 6, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$24.29$239Kfiling
Jun 18, 2026Oelschlager Kristen MCOOS Sale—$20.71$178Kfiling
Jun 17, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$20.66$86Kfiling
Jun 3, 2026Maetzold Derek JPres, Chief Exec. OfficerS SaleOE—$20.86$205Kfiling