Insider Cluster (2 insiders) ·Filed Apr 1, 2026
Insider cluster: 2 insiders, $285K total
Actionable Insight ▼ Bearish
Monitor for additional insider transactions ahead of next earnings; CEO-led selling at a meaningful scale may signal caution despite non-dilutive nature. Compare with future financial performance and cash burn trends.
Final — all horizons settled through T+60d
CBLL ▲ +7.89% at T+60d
SHORT call ✗ call lost -7.89% · α vs SPY +5.49% · entry $18.50 → $19.96
T+1d
+0.38%
call -0.38% · α -0.30%
$18.57
settled 7mo ago
T+5d
+0.38%
call -0.38% · α +3.39%
$18.57
settled 7mo ago
T+20d
+4.05%
call -4.05% · α +5.67%
$19.25
settled 6mo ago
T+60d
+7.89%
call -7.89% · α +5.49%
$19.96
settled 4mo ago
Price Chart
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Executive Summary
Ceribell CEO Chao Xingjuan and CTO Woo Raymond sold a combined $285K in shares over the past week, with the CEO selling $258K in open-market transactions. These sales follow routine derivative exercises and represent modest insider selling.
Key Financial Metrics
Direction
selling
Total Value
$285.0K
Insiders
2
Key Facts
- CEO Chao Xingjuan sold 14,000 shares at $18.40 for $258K in open-market transactions on 2026-04-06.
- CTO Raymond Woo sold 1,500 shares at $18.58 for $27K on 2026-04-01.
- CEO also exercised 2,892 derivative securities (two tranches of 1,446 shares), one at $4.70 and one at $0, resulting in non-cash transactions.
- Total insider selling cluster value: $285K over a 7-day window.
- Sales represent approximately 0.04% of market cap ($673M), indicating modest but notable insider selling.
Financial Impact
$285,000 in open-market sales by two C-suite executives
insider sentimentownership concentrationmarket perception
Risk Factors
- Perception of insider pessimism, especially given CEO participation
- Potential for follow-on selling if stock remains elevated
Market Snapshot
Exchange
Nasdaq
Sector
Electromedical & Electrotherapeutic Apparatus
Investment Themes
Healthcare & Medical Devices
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CBLL-1775666896435 |
29 reports for CBLL
80% Hit rate @ T+1 Went positive at some point 9 of 10 best @ T+60▲ +17.06%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 20, 2026 6d ago | Press Release | $27.14 $27.40 | ▲ +0.96% | ▲ +2.14% | $27.03 (−0.41%) |
Sep 17, 2026 5w ago | Insider Cluster | $24.37 $24.25 | ▼ −0.49% | ▼ −2.04% | $27.03 (+10.92%) |
Sep 10, 2026 6w ago | Insider Cluster | $23.63 $24.33 | ▼ −2.96% | ▼ −3.41% | $27.03 (−14.39%) |
Sep 4, 2026 7w ago | Insider Cluster | $24.31 $24.41 | ▲ +0.41% | ▲ +0.88% | $27.03 (+11.19%) |
Aug 25, 2026 8w ago | Insider Cluster | $23.45 $23.37 | ▲ +0.34% | ▲ +1.00% | $27.03 (−15.27%) |
Aug 20, 2026 9w ago | Insider Cluster | $24.20 $23.94 | ▲ +1.07% | ▲ +0.78% | $27.03 (−11.69%) |
Aug 20, 2026 9w ago | Insider Cluster | $24.20 $23.94 | ▼ −1.07% | ▼ −0.78% | $27.03 (+11.69%) |
Aug 18, 2026 9w ago | Institutional Cluster | $24.21 $24.89 | ▲ +2.81% | ▲ +2.60% | $27.03 (+11.65%) |
Aug 10, 2026 11w ago | 8-K | $21.31 $22.91 | ▲ +7.51% | ▲ +7.26% | $27.03 (+26.84%) |
Aug 10, 2026 11w ago | Press Release | $21.31 $22.91 | ▲ +7.51% | ▲ +7.26% | $27.03 (+26.84%) |
Showing 10 of 29
US Market Status
Market Closed — Opens Tue (< 1m)
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