Castle Biosciences (CSTL): Chief Commercial Officer Juvenal Tobin W sold $108,767 worth of shares (3,288 units at $33.08) as part of a pre-agreed trading plan (SEC Form 4)
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Historical context for CSTL
Across the 30 sessions after earlier CSTL headlines, the stock closed higher 19 times and lower 11 times, with a median move of 1.5% in either direction. This shows timing only: many things move a stock in a session, and these figures do not show that any headline caused a move.
| Session | Earlier headline | CSTL | SPY |
|---|---|---|---|
| Oct 28, 2026 | Castle Biosciences to Participate in Upcoming Investor Conferences | +6.3% | +0.3% |
| Oct 15, 2026 | Castle Biosciences to Release Third Quarter 2026 Financial Results and Host Webcast on Thursday, Nov. 5, 2026 | +2.1% | +0.3% |
| Oct 13, 2026 | ACG 2026 Data Show TissueCypher® Identifies Elevated Risk of Progression Beyond Pathology Findings in Barrett's Esophagus | +0.4% | -0.0% |
| Oct 1, 2026 | Late-Breaking EADV 2026 Data Support Use of DecisionDx®-Melanoma in SLNB Decision-Making and Risk-Aligned Post Surgical Management | -0.8% | +0.2% |
| Sep 28, 2026 | New Study Shows That TissueCypher® Changed Management at an Expert Surgery Center in 90% of Patients With Non-Dysplastic Barrett's Esophagus | +0.3% | -0.7% |
| Sep 25, 2026 | New Study Highlights Clinical Need for Molecular Guidance in Atopic Dermatitis Treatment Selection, Reinforcing the Value of AdvanceAD-Tx™ | +1.8% | +0.5% |
Earlier insider filings at CSTL
- Oct 21, 2026Pres. & Chief Exec. Officer Maetzold Derek J sold $462,567 worth of shares (14,496 units at $31.91) as part of a pre-agreed trading plan (SEC Form 4)
- Oct 14, 2026Chief Commercial Officer Juvenal Tobin W sold $110,608 worth of shares (3,288 units at $33.64) as part of a pre-agreed trading plan (SEC Form 4)
- Oct 7, 2026Pres. & Chief Exec. Officer Maetzold Derek J sold $515,565 worth of shares (14,496 units at $35.57) as part of a pre-agreed trading plan (SEC Form 4)
- Oct 5, 2026Chief Operating Officer Oelschlager Kristen M sold $149,318 worth of shares (4,153 units at $35.95) as part of a pre-agreed trading plan (SEC Form 4)
- Oct 1, 2026Chief Commercial Officer Juvenal Tobin W sold $232,128 worth of shares (6,577 units at $35.29) as part of a pre-agreed trading plan, decreasing direct ownership by 11% to 52,007 units (SEC Form 4)
Quantisnow market dataNASDAQ
CSTL
Castle Biosciences Inc.
- Market cap
- 30-day
- Sector
- Health Care
- Industry
- Medical Specialities
- Listed since
- 2019
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