Insider · CIK 0001201585
Rebecca B Robertson
Files at TNDM (TANDEM DIABETES CARE INC), CBLL (Ceribell, Inc.). First filing Jun 17, 2025, latest Sep 5, 2025.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
CBLL: Ceribell, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 10Weak | Ceribell, Inc. | $9,395 827 shares | -8% | +4% from low-62% from high | |
| 38Weak | Ceribell, Inc. | $331k 18,633 shares | -65% | +59% from low-41% from high | |
| 13Weak | Ceribell, Inc. | $343k 20,000 shares | -41% | +54% from low-43% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 3, 2025 | CBLL Ceribell, Inc. | SOpen-market sale Common Stock10b5-1 | -827 | $11.36 | $9,395 | 9,215 | Sep 5, 2025 |
| Jun 17, 2025 | CBLL Ceribell, Inc. | SOpen-market sale Common Stock10b5-1 | -7,445 | $17.63 | $131k | 21,230 | Jun 20, 2025 |
| Jun 18, 2025 | CBLL Ceribell, Inc. | SOpen-market sale Common Stock10b5-1 | -11,188 | $17.85 | $200k | 10,042 | Jun 20, 2025 |
| Jun 10, 2025 | CBLL Ceribell, Inc. | AGrant or award Common Stock10b5-1 | +8,828 | $0.00 | $0 | 28,675 | Jun 17, 2025 |
| Jun 16, 2025 | CBLL Ceribell, Inc. | MOption exercise Common Stock10b5-1 | +545 | $2.24 | $1,221 | 29,220 | Jun 17, 2025 |
| Jun 16, 2025 | CBLL Ceribell, Inc. | MOption exercise Common Stock10b5-1 | +19,455 | $3.65 | $71k | 48,675 | Jun 17, 2025 |
| Jun 16, 2025 | CBLL Ceribell, Inc. | SOpen-market sale Common Stock10b5-1 | -20,000 | $17.14 | $343k | 28,675 | Jun 17, 2025 |
| Jun 16, 2025 | CBLL Ceribell, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -545 | $0.00 | $0 | 15,150 | Jun 17, 2025 |
| Jun 16, 2025 | CBLL Ceribell, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -19,455 | $0.00 | $0 | 0 | Jun 17, 2025 |
| May 22, 2025 | TNDM TANDEM DIABETES CARE INC | MOption exercise Common Stock | +4,387 | $20.64 | $91k | 13,783 | May 23, 2025 |
| May 22, 2025 | TNDM TANDEM DIABETES CARE INC | MOption exercise Restricted Stock Unitderivative | -4,387 | $0.00 | $0 | 0 | May 23, 2025 |
| May 21, 2025 | TNDM TANDEM DIABETES CARE INC | AGrant or award Restricted Stock Unitderivative | +8,759 | $0.00 | $0 | 8,759 | May 23, 2025 |
| Oct 11, 2024 | CBLL Ceribell, Inc. | AGrant or award Common Stock | +6,618 | $0.00 | $0 | 19,847 | Oct 16, 2024 |
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.