Rebecca B. Robertson sold Ceribell Inc. ($CBLL) shares on the open market nine times over the last year, for a total of nearly $1 million. Her most recent sale occurred on March 3, 2026. These transactions rank 4,936th out of 11,678 insiders by sale value, trailing the average of $8.6 million per insider but exceeding the typical 6.37 sales. Robertson made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 3, 2026 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | S | Common Stock | 827 | $17.80 | 18,749.0000 | 37,095,690 | 4.22% | 0.00% |
| Jan. 2, 2026 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | M | Stock Option (Right to Buy) | 2500 | $0.00 | 7,650.0000 | 37,095,690 | 24.63% | 0.01% |
| Jan. 2, 2026 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | M | Common Stock | 2500 | $2.24 | 22,076.0000 | 37,095,690 | 12.77% | 0.01% |
| June 17, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | S | Common Stock | 7445 | $17.63 | 21,230.0000 | 35,868,339 | 25.96% | 0.02% |
| Jan. 2, 2026 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | S | Common Stock | 2500 | $21.89 | 19,576.0000 | 37,095,690 | 11.32% | 0.01% |
| Dec. 8, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | M | Stock Option (Right to Buy) | 5000 | $0.00 | 10,150.0000 | 37,095,690 | 33.00% | 0.01% |
| Dec. 8, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | M | Common Stock | 5000 | $2.24 | 13,388.0000 | 37,095,690 | 59.61% | 0.01% |
| Dec. 8, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | S | Common Stock | 5000 | $20.00 | 8,388.0000 | 37,095,690 | 37.35% | 0.01% |
| Dec. 2, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | S | Common Stock | 827 | $16.67 | 8,388.0000 | 37,095,690 | 8.97% | 0.00% |
| Sept. 3, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | S | Common Stock | 827 | $11.36 | 9,215.0000 | 35,868,339 | 8.24% | 0.00% |
| June 18, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | S | Common Stock | 11188 | $17.85 | 10,042.0000 | 35,868,339 | 52.70% | 0.03% |
| June 17, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | S | Common Stock | 7445 | $17.63 | 21,230.0000 | 35,868,339 | 25.96% | 0.02% |
| June 16, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | M | Common Stock | 19455 | $3.65 | 48,675.0000 | 35,868,339 | 66.58% | 0.05% |
| June 16, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | M | Stock Option (Right to Buy) | 545 | $0.00 | 15,150.0000 | 35,868,339 | 3.47% | 0.00% |
| June 16, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | M | Common Stock | 545 | $2.24 | 29,220.0000 | 35,868,339 | 1.90% | 0.00% |
| June 10, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | A | Common Stock | 8828 | $0.00 | 28,675.0000 | 35,868,339 | 44.48% | 0.02% |
| June 16, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | S | Common Stock | 20000 | $17.14 | 28,675.0000 | 35,868,339 | 41.09% | 0.06% |
| June 16, 2025 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | M | Stock Option (Right to Buy) | 19455 | $0.00 | 0.0000 | 35,868,339 | 100.00% | 0.05% |
| May 22, 2025 | TANDEM DIABETES CARE INC | $TNDM | ROBERTSON REBECCA B | Director | M | Common Stock | 4387 | $20.64 | 13,783.0000 | 66,473,272 | 46.69% | 0.01% |
| May 22, 2025 | TANDEM DIABETES CARE INC | $TNDM | ROBERTSON REBECCA B | Director | M | Restricted Stock Unit | 4387 | $0.00 | 0.0000 | 66,473,272 | 100.00% | 0.01% |
| May 21, 2025 | TANDEM DIABETES CARE INC | $TNDM | ROBERTSON REBECCA B | Director | A | Restricted Stock Unit | 8759 | $0.00 | 8,759.0000 | 66,473,272 | 9999.99% | 0.01% |
| Oct. 11, 2024 | Ceribell, Inc. | $CBLL | ROBERTSON REBECCA B | Not found | A | Common Stock | 6618 | $0.00 | 19,847.0000 | 0 | 50.03% | 0.00% |
| May 24, 2024 | TANDEM DIABETES CARE INC | $TNDM | ROBERTSON REBECCA B | Director | M | Restricted Stock Unit | 4434 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| May 22, 2024 | TANDEM DIABETES CARE INC | $TNDM | ROBERTSON REBECCA B | Director | A | Restricted Stock Unit | 4387 | $0.00 | 4,387.0000 | 0 | 9999.99% | 0.00% |
| May 24, 2024 | TANDEM DIABETES CARE INC | $TNDM | ROBERTSON REBECCA B | Director | M | Common Stock | 4434 | $51.73 | 9,396.0000 | 0 | 89.36% | 0.00% |
| May 24, 2023 | TANDEM DIABETES CARE INC | $TNDM | ROBERTSON REBECCA B | Director | M | RSU 2023 05 24 | 4434 | $0.00 | 4,434.0000 | 0 | 9999.99% | 0.00% |
| May 25, 2023 | TANDEM DIABETES CARE INC | $TNDM | ROBERTSON REBECCA B | Director | M | Common Stock | 2757 | $0.00 | 4,962.0000 | 0 | 125.03% | 0.00% |
| May 25, 2023 | TANDEM DIABETES CARE INC | $TNDM | ROBERTSON REBECCA B | Director | M | Restricted Stock Unit | 2757 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |