Updated Jul 16, 2026
ROBERTSON REBECCA B has filed 2 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $880K.

| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-04 | CBLL | Ceribell, Inc. | A — Grant or award | 7.8K | $0.00 | |
| 2026-05-22 | TNDM | TANDEM DIABETES CARE INC | M — Option exercise | 8.8K | $0.00 | |
| 2026-03-05 | CBLL | Ceribell, Inc. | S — Open-market sale [10b5-1] | 827 | $17.80 | $15K |
| 2026-01-06 | CBLL | Ceribell, Inc. | S — Open-market sale [10b5-1] | 2.5K | $21.89 | $55K |
| 2026-01-06 | CBLL | Ceribell, Inc. | M — Option exercise [10b5-1] | 2.5K | $2.24 | $6K |
| 2025-12-10 | CBLL | Ceribell, Inc. | S — Open-market sale [10b5-1] | 5.0K | $20.00 | $100K |
| 2025-12-10 | CBLL | Ceribell, Inc. | M — Option exercise [10b5-1] | 5.0K | $2.24 | $11K |
| 2025-12-04 | CBLL | Ceribell, Inc. | S — Open-market sale [10b5-1] | 827 | $16.67 | $14K |
| 2025-12-04 | CBLL | Ceribell, Inc. | S — Open-market sale [10b5-1] | 827 | $16.67 | $14K |
| 2025-09-03 | CBLL | Ceribell, Inc. | S — Open-market sale | 827 | $11.36 | $9K |
| 2025-06-17 | CBLL | Ceribell, Inc. | S — Open-market sale | 11.2K | $17.85 | $200K |
| 2025-06-17 | CBLL | Ceribell, Inc. | S — Open-market sale | 7.4K | $17.63 | $131K |
| 2025-06-10 | CBLL | Ceribell, Inc. | S — Open-market sale | 20.0K | $17.14 | $343K |
| 2025-06-10 | CBLL | Ceribell, Inc. | M — Option exercise | 19.5K | $3.65 | $71K |
| 2025-06-10 | CBLL | Ceribell, Inc. | M — Option exercise | 545 | $2.24 | $1K |
| 2025-06-10 | CBLL | Ceribell, Inc. | A — Grant or award | 8.8K | $0.00 | |
| 2025-05-21 | TNDM | TANDEM DIABETES CARE INC | M — Option exercise | 4.4K | $20.64 | $91K |
| 2024-10-16 | CBLL | Ceribell, Inc. | A — Grant or award | 6.6K | $0.00 |
ROBERTSON REBECCA B is a corporate insider — currently tracked as Insider of Ceribell, Inc. (CBLL). InsiderAlpha tracks every SEC Form 4 filing in real time.
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 9 open-market sales ($880K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live ROBERTSON REBECCA B profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.