Insiders / Robertson Rebecca B
Robertson Rebecca B
CIK 1201585personinsider
Companies
2
First seen
Jan 6, 2026
Last activity
Jun 4, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Ceribell, Inc. · CBLL | 26,587 | — |
| Tandem Diabetes Care Inc · TNDM | 22,542 | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Ceribell, Inc. | Common Stock | 26,587 |
| Ceribell, Inc. | Stock Option (Right to Buy)Derivative | 7,650 |
| Tandem Diabetes Care Inc | Common Stock | 22,542 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jun 17, 2025 | Sell | CBLL Ceribell, Inc. Common Stock | $131.3K | -7K -25.96% | 21,230 0.06% of shares | medium |
| Jan 2, 2026 | Sell | CBLL Ceribell, Inc. Common Stock | $54.7K | -3K -11.32% | 19,576 0.05% of shares | low |
| Mar 3, 2026 | Sell | CBLL Ceribell, Inc. Common Stock | $14.7K | -827 -4.22% | 18,749 0.05% of shares | low |
| Jan 2, 2026 | Exercise | CBLL Ceribell, Inc. Common Stock | $5.6K | +3K +12.77% | 22,076 0.06% of shares | low |
| Jun 2, 2026 | Grant | CBLL Ceribell, Inc. Common Stock | $0 | +8K +41.80% | 26,587 0.07% of shares | low |
| May 21, 2026 | Exercise | TNDM Tandem Diabetes Care Inc Common Stock | $0 | +9K +63.55% | 22,542 0.03% of shares | low |
| May 21, 2026 | Exercise | TNDM Tandem Diabetes Care Inc Restricted Stock Unit | — | -9K -100.00% | 0 0.00% of shares | low |
| May 20, 2026 | Grant | TNDM Tandem Diabetes Care Inc Restricted Stock Unit | — | +10K | 10,220 0.01% of shares | low |
| Jan 2, 2026 | Exercise | CBLL Ceribell, Inc. Stock Option (Right to Buy) | — | -3K -24.63% | 7,650 0.02% of shares | low |