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Insider Cluster (2 insiders) ·Filed Sep 4, 2026

CBLL

Ceribell, Inc.
NEUTRAL
Impact 4/10
Horizonimmediate Processed1mo ago
Insider cluster: 2 insiders, $989K total
Actionable Insight • Neutral

The insider sales are modest relative to market cap and appear to be routine option exercise and diversification. No immediate bearish read-through. Monitor for any subsequent filings or news that could explain the timing, but the cluster alone does not warrant action.

DirectionNeutral
Confidencehigh
Horizonimmediate
Latest settled — T+20d
CBLL ▲ +0.12% at T+20d
NEUTRAL call +0.12% · α vs SPY -1.59% · entry $24.31 → $24.34
Next anchor: T+60d in 5w
Latest observation: T+33 +5.76% FF3 residual α
Entry = T+0 close
Sep 4, 2026
via day close
T+1d
+0.41%
call +0.41% · α +0.88%
$24.41
settled 7w ago
T+5d
+3.00%
call +3.00% · α +4.12%
$25.04
settled 6w ago
T+20d
+0.12%
call +0.12% · α -1.59%
$24.34
settled 22d ago
T+60d
Pending
in 5w

Price Chart

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Executive Summary

CEO Xingjuan Chao and CFO Scott Blumberg sold a combined $989K in open-market shares on September 2, 2026, after exercising stock options. The sales represent ~0.1% of market cap, a modest amount consistent with routine option exercise and diversification. No strong bearish signal from this cluster.

Key Financial Metrics

Direction
selling
Total Value
$989.4K
Insiders
2

Key Facts

  • CEO Chao sold 39,540 shares at $24.61 for $973K
  • CFO Blumberg sold 652 shares at $25.00 for $16K
  • Total open-market sales: $989K (0.1% of $943M market cap)
  • Both insiders exercised derivative securities immediately before selling
  • Sales occurred on the same day (2026-09-02)

Financial Impact

$989K in insider open-market sales, representing 0.1% of market cap

insider sellingdilution from option exercises

Risk Factors

  • Potential further insider selling if additional options vest
  • No material risk from this cluster given the small proportional size

Market Snapshot

Exchange
Nasdaq
Sector
Electromedical & Electrotherapeutic Apparatus
Analyst Consensus
93% bullish (14 analysts)

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-CBLL-1788560045981
29 reports for CBLL
Performance horizon
73% Hit rate @ T+1 8 of 11 directional calls Went positive at some point 9 of 11 best @ T+60▲ +17.06%Feb 23, 2026
Filters
Rows
Reports for CBLL — sortable, filterable
TypeNow
Oct 20, 2026
6d ago
Press Release
NEUTRAL ★ 1/10
$27.14 $27.40▲ +0.96%▲ +2.14%$27.03 (−0.41%)
Sep 17, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$24.37 $24.25▼ −0.49%▼ −2.04%$27.03 (+10.92%)
Sep 10, 2026
6w ago
Insider Cluster
BEARISH ★ 5/10
$23.63 $24.33▼ −2.96%▼ −3.41%$27.03 (−14.39%)
Sep 4, 2026
7w ago
Insider Cluster
NEUTRAL ★ 4/10
$24.31 $24.41▲ +0.41%▲ +0.88%$27.03 (+11.19%)
Aug 25, 2026
8w ago
Insider Cluster
BEARISH ★ 5/10
$23.45 $23.37▲ +0.34%▲ +1.00%$27.03 (−15.27%)
Aug 20, 2026
9w ago
Insider Cluster
BEARISH ★ 5/10
$24.20 $23.94▲ +1.07%▲ +0.78%$27.03 (−11.69%)
Aug 20, 2026
9w ago
Insider Cluster
NEUTRAL ★ 4/10
$24.20 $23.94▼ −1.07%▼ −0.78%$27.03 (+11.69%)
Aug 18, 2026
9w ago
Institutional Cluster
BULLISH ★ 5/10
$24.21 $24.89▲ +2.81%▲ +2.60%$27.03 (+11.65%)
Aug 10, 2026
11w ago
8-K
BULLISH ★ 7/10
$21.31 $22.91▲ +7.51%▲ +7.26%$27.03 (+26.84%)
Aug 10, 2026
11w ago
Press Release
MIXED ★ 6/10
$21.31 $22.91▲ +7.51%▲ +7.26%$27.03 (+26.84%)
Showing 10 of 29

US Market Status

Market Closed — Opens Wed (11h 31m)

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Report published Sep 4, 2026