Greedy Insider
Ceribell, Inc. (CBLL) Insider Trades and Scores
Ceribell, Inc. (CBLL) insider trades: since Nov 20, 2025, Greedy Insider recorded 0 open-market buys and 103 sales on Form 4 from 10 insiders. The strongest recent filing scored 95 (Strong).
Who bought and who sold
Across the last 103 scoreable Form 4 transactions in CBLL, 0 were open-market purchases and 103 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Woo Raymond | Chief Technology Officer | Sell | 4887.0 | 119145.06 | 2026-10-01 | 76 | View |
| Blumberg Scott | CFO | Sell | 846.0 | 21150.0 | 2026-09-15 | 69 | View |
| Chao Xingjuan | President | Sell | 20846.0 | 521775.38 | 2026-09-15 | 83 | View |
| Foehr David | Senior VP, Finance and PAO | Sell | 1755.0 | 42576.3 | 2026-09-08 | 72 | View |
| Foehr David | Senior VP, Finance and PAO | Sell | 7500.0 | 181875.0 | 2026-09-08 | 82 | View |
| Woo Raymond | Chief Technology Officer | Sell | 4887.0 | 118900.71 | 2026-09-08 | 83 | View |
| Chao Xingjuan | President | Sell | 39540.0 | 973079.4 | 2026-09-02 | 87 | View |
| Blumberg Scott | CFO | Sell | 652.0 | 16300.0 | 2026-09-02 | 69 | View |
| Foehr David | Senior VP, Finance and PAO | Sell | 859.0 | 20573.05 | 2026-08-24 | 70 | View |
| Chao Xingjuan | President | Sell | 6068.0 | 145753.36 | 2026-08-21 | 75 | View |
The strongest recent filing
Blumberg Scott (CFO) sold 33,512 shares of Ceribell, Inc. on Aug 19, 2026, a filing that scored 95 (Strong). It scored Strong because a senior insider was trading and several insiders moved the same way within a week. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 6 insiders (Foehr David, Chao Xingjuan, Blumberg Scott, Woo Raymond) traded CBLL the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with Ceribell, Inc.'s own history
Open-market buys make up 0% of the 103 scoreable CBLL transactions on record between Nov 20, 2025 and Oct 1, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 103
- Open-market buys: 0
- Sales: 103
- Distinct insiders: 10
- Strongest recent Greediness Score: 95 (Strong)
Primary sources
Related
- Strongest filing
- CBLL in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.