Rebecca B Robertson sold $100k of CBLL
director at Ceribell, Inc.. 5,000 shares at an average of $20.00, traded Dec 8, 2025, filed Dec 10, 2025.
Score components
- +15RoleDirector
- +10Trade size$100k at market
- +10Share of holdings soldSold 37% of holdings
- +15Cluster7 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-25-313867, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 8, 2025 | MOption exercise Common Stock10b5-1 | +5,000 | $2.24 | $11k | 13,388 | Dec 10, 2025 |
| Dec 8, 2025 | SOpen-market sale Common Stock10b5-1 | -5,000 | $20.00 | $100k | 8,388 | Dec 10, 2025 |
| Dec 8, 2025 | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -5,000 | $0.00 | $0 | 10,150 | Dec 10, 2025 |
Related signals
Other insiders at Ceribell, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 0Weak | Ceribell, Inc. | Raymond Woo Chief Technology Officer | $119k 4,887 shares | -2% | |
| 2Weak | Ceribell, Inc. | Scott Blumberg Chief Financial Officer | $21k 846 shares | -1% | |
| 38Weak | Ceribell, Inc. | Xingjuan Chao President and CEO | $522k 20,846 shares | -3% | |
| 5Weak | Ceribell, Inc. | Raymond Woo Chief Technology Officer | $119k 4,887 shares | -2% | |
| 17Weak | Ceribell, Inc. | David Foehr Senior VP, Finance and PAO | $224k 9,255 shares | -26% | |
| 2Weak | Ceribell, Inc. | Scott Blumberg Chief Financial Officer | $16k 652 shares | -0% | |
| 30Weak | Ceribell, Inc. | Xingjuan Chao President and CEO | $973k 39,540 shares | -5% | |
| 34Weak | Ceribell, Inc. | Scott Blumberg Chief Financial Officer | $756k 36,000 shares | -29% | |
| 29Weak | Ceribell, Inc. | Josef Parvizi director | $537k 25,000 shares | -3% | |
| 36Weak | Ceribell, Inc. | William W Burke director | $721k 32,728 shares | -121% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.