Insider Cluster (3 insiders) ·Filed Sep 17, 2026
Insider cluster: 3 insiders, $0.2M total
Actionable Insight • Neutral
Monitor for any follow-on insider sales or a pattern of larger dispositions. The current cluster is too small to warrant a bearish read.
Latest settled — T+20d
CBLL ▲ +2.75% at T+20d
NEUTRAL call +2.75% · α vs SPY +2.54% · entry $24.37 → $25.04
Latest observation: T+25 -0.52% FF3 residual α
T+1d
-0.49%
call -0.49% · α -2.04%
$24.25
settled 6w ago
T+5d
-2.79%
call -2.79% · α -4.06%
$23.69
settled 5w ago
T+20d
+2.75%
call +2.75% · α +2.54%
$25.04
settled 12d ago
T+60d
Pending
in 6w
Price Chart
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Executive Summary
Three Ceribell insiders, including the CFO and CTO, sold a total of $183K in open-market sales over a one-week window. The dollar amount is modest relative to the company's market cap and likely reflects routine portfolio diversification rather than a negative signal.
Key Financial Metrics
Direction
selling
Total Value
$183.0K
Insiders
3
Key Facts
- Three insiders sold shares between September 8 and September 15, 2026.
- Total open-market sales: $183K.
- CFO Scott Blumberg sold $21K; CTO Raymond Woo sold $119K; SVP David Foehr sold $43K.
- No insider purchases were reported in the cluster.
- Sales are small relative to market cap and do not indicate a material directional signal.
Financial Impact
Total insider sales of $183K, likely under 0.1% of market cap.
insider holdings
Risk Factors
- Insider sales could accelerate if the stock appreciates further.
- No purchases to offset selling signal.
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-1789692120839 |
29 reports for CBLL
73% Hit rate @ T+1 Went positive at some point 9 of 11 best @ T+60▲ +17.06%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 20, 2026 7d ago | Press Release | $27.14 $27.40 | ▲ +0.96% | ▲ +2.14% | $27.22 (+0.29%) |
Sep 17, 2026 5w ago | Insider Cluster | $24.37 $24.25 | ▼ −0.49% | ▼ −2.04% | $27.22 (+11.69%) |
Sep 10, 2026 6w ago | Insider Cluster | $23.63 $24.33 | ▼ −2.96% | ▼ −3.41% | $27.22 (−15.19%) |
Sep 4, 2026 7w ago | Insider Cluster | $24.31 $24.41 | ▲ +0.41% | ▲ +0.88% | $27.22 (+11.97%) |
Aug 25, 2026 9w ago | Insider Cluster | $23.45 $23.37 | ▲ +0.34% | ▲ +1.00% | $27.22 (−16.08%) |
Aug 20, 2026 9w ago | Insider Cluster | $24.20 $23.94 | ▲ +1.07% | ▲ +0.78% | $27.22 (−12.48%) |
Aug 20, 2026 9w ago | Insider Cluster | $24.20 $23.94 | ▼ −1.07% | ▼ −0.78% | $27.22 (+12.48%) |
Aug 18, 2026 10w ago | Institutional Cluster | $24.21 $24.89 | ▲ +2.81% | ▲ +2.60% | $27.22 (+12.43%) |
Aug 10, 2026 11w ago | 8-K | $21.31 $22.91 | ▲ +7.51% | ▲ +7.26% | $27.22 (+27.73%) |
Aug 10, 2026 11w ago | Press Release | $21.31 $22.91 | ▲ +7.51% | ▲ +7.26% | $27.22 (+27.73%) |
Showing 10 of 29
US Market Status
Market Closed — Opens Wed (< 1m)
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