CBLL Ceribell, Inc.

BEARISH Impact: 5/10 Insider Cluster (2 insiders)
Horizon days Filed Apr 1, 2026 Processed 2mo ago
Insider cluster: 2 insiders, $285K total
Latest settled — T+20d
CBLL ▲ +4.05% at T+20d
SHORT call ✗ call lost -4.05% · α vs SPY +5.67% · entry $18.50 → $19.25
Next anchor: T+60d in 13d
Currently $18.47 · +0.16% from $18.50 entry (call sign-flipped)
Entry anchored
Mar 31, 03:59 PM ET
via Databento tick
T+1d
+0.38%
call -0.38% · α -0.30%
$18.57
settled 2mo ago
T+5d
+0.38%
call -0.38% · α +3.39%
$18.57
settled 2mo ago
T+20d
+4.05%
call -4.05% · α +5.67%
$19.25
settled 6w ago
T+60d
call — · α —
in 13d

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

Actionable Insight

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.

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

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-CBLL-1775666896435
13 reports for CBLL
Performance horizon
100% Hit rate 4 of 4 directional calls best @ T+60▲ +17.06%Feb 23, 2026
Filters
Rows
Reports for CBLL — sortable, filterable
Type Now
May 26, 2026
17d ago
Insider Cluster
NEUTRAL ★ 2/10
$18.70 $17.18▼ −8.13%▼ −8.60%$18.47 (−1.23%)
May 11, 2026
4w ago
Press Release
MIXED ★ 6/10
$16.75 $16.58▼ −1.01%▼ −1.09%$18.47 (+10.27%)
May 1, 2026
6w ago
Insider Cluster
NEUTRAL ★ 2/10
$20.50 $20.38▼ −0.59%▼ −2.93%$18.47 (−9.90%)
Apr 20, 2026
7w ago
Press Release
NEUTRAL ★ 3/10
$20.94 $20.80▼ −0.67%▼ −1.75%$18.47 (−11.80%)
Apr 20, 2026
7w ago
DEFA14A
NEUTRAL ★ 3/10
$21.13 $21.14▲ +0.05%▼ −0.87%$18.47 (−12.59%)
Apr 1, 2026
10w ago
Insider Cluster
BEARISH ★ 5/10
$18.50 $18.57▼ −0.38%▲ +3.39%$18.47 (+0.16%)
Feb 28, 2026
15w ago
Institutional Cluster
NEUTRAL ★ 5/10
$18.16 $18.28▲ +0.66%▲ +1.87%$18.47 (+1.71%)
Feb 24, 2026
15w ago
8-K
BULLISH ★ 8/10
$18.95 $17.77▼ −6.23%▼ −5.13%$18.47 (−2.53%)
Feb 24, 2026
15w ago
Insider Cluster
NEUTRAL ★ 3/10
$19.90 $17.54▼ −11.86%▼ −10.83%$18.47 (−7.19%)
Feb 23, 2026
15w ago
Insider Cluster
NEUTRAL ★ 2/10
$19.99 $18.16▼ −9.15%▼ −9.77%$18.47 (−7.60%)
Showing 10 of 13

US Market Status

Market Closed — Opens Mon (49h 33m)

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