CRBU Caribou Biosciences, Inc.
Nasdaq · SEC CIK 1619856 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $47.5K 5 sales by 4 insiders
- Filings on record
- 99 since 2021-07-29, latest 2026-02-27
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Kelly Timothy P | CTO | — | $18.2K |
| Khan Ruhi Ahmad | Chief Business Off | — | $13.6K |
| MCCLUNG BARBARA G | CLO | — | $13.6K |
| Albertson Tina M. | Chief Medical Off | — | $2,089 |
| Ryali Sriram | CFO | — | — |
| Haurwitz Rachel E. | Pres, CEO, Dir | — | — |
Transactions 55
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-27 | 2026-02-25 | CRBU | Kelly Timothy P | CTO | S - Sale | $1.93 | -6,228 | 73.1K | -8% | -$12.0K | |
| D | 2026-02-24 | 2026-02-20 | CRBU | Kelly Timothy P | CTO | A - Grant | $0.00 | +45.0K | 82.5K | +120% | $0 |
| D | 2026-02-24 | 2026-02-24 | CRBU | Kelly Timothy P | CTO | S - Sale | $1.96 | -3,147 | 79.4K | -4% | -$6,168 |
| D | 2026-02-24 | 2026-02-24 | CRBU | MCCLUNG BARBARA G | CLO | S - Sale | $1.96 | -6,938 | 481.6K | -1% | -$13.6K |
| D | 2026-02-24 | 2026-02-20 | CRBU | MCCLUNG BARBARA G | CLO | A - Grant | $0.00 | +45.0K | 488.5K | +10% | $0 |
| D | 2026-02-24 | 2026-02-20 | CRBU | Albertson Tina M. | Chief Medical Off | A - Grant | $0.00 | +55.0K | 69.6K | +377% | $0 |
| D | 2026-02-24 | 2026-02-24 | CRBU | Albertson Tina M. | Chief Medical Off | S - Sale | $1.96 | -1,066 | 68.5K | -2% | -$2,089 |
| D | 2026-02-24 | 2026-02-24 | CRBU | Khan Ruhi Ahmad | Chief Business Off | S - Sale | $1.96 | -6,938 | 105.0K | -6% | -$13.6K |
| D | 2026-02-24 | 2026-02-20 | CRBU | Khan Ruhi Ahmad | Chief Business Off | A - Grant | $0.00 | +45.0K | 111.9K | +67% | $0 |
| D | 2026-02-20 | 2026-02-20 | CRBU | Haurwitz Rachel E. | Pres, CEO, Dir | A - Grant | $0.00 | +151.7K | 447.1K | +51% | $0 |
| D | 2026-02-20 | 2026-02-20 | CRBU | Ryali Sriram | CFO | A - Grant | $0.00 | +55.0K | 72.4K | +317% | $0 |
| I | 2025-03-17 | 2025-03-14 | CRBU | Haurwitz Rachel E. | Pres, CEO, Dir | P - Purchase | $1.02 | +20.0K | 3.37M | +0.6% | +$20.4K |
| D | 2025-02-21 | 2025-02-21 | CRBU | MCCLUNG BARBARA G | CLO | S - Sale | $1.35 | -3,564 | 443.5K | -0.8% | -$4,811 |
| D | 2025-02-21 | 2025-02-20 | CRBU | MCCLUNG BARBARA G | CLO | A - Grant | $0.00 | +37.5K | 447.1K | +9% | $0 |
| D | 2025-02-21 | 2025-02-20 | CRBU | Albertson Tina M. | Chief Medical Off | A - Grant | $0.00 | +14.6K | 14.6K | New | $0 |
| D | 2025-02-21 | 2025-02-20 | CRBU | Kelly Timothy P | CTO | A - Grant | $0.00 | +37.5K | 37.5K | New | $0 |
| D | 2025-02-21 | 2025-02-20 | CRBU | Haurwitz Rachel E. | Pres, CEO, Dir | A - Grant | $0.00 | +136.8K | 295.4K | +86% | $0 |
| D | 2025-02-21 | 2025-02-20 | CRBU | Khan Ruhi Ahmad | Chief Business Off | A - Grant | $0.00 | +37.5K | 70.5K | +114% | $0 |
| D | 2025-02-21 | 2025-02-21 | CRBU | Khan Ruhi Ahmad | Chief Business Off | S - Sale | $1.35 | -3,564 | 66.9K | -5% | -$4,811 |
| D | 2025-02-21 | 2025-02-20 | CRBU | Kanner Steven | CSO | A - Grant | $0.00 | +37.5K | 435.1K | +9% | $0 |
| D | 2025-02-21 | 2025-02-21 | CRBU | Kanner Steven | CSO | S - Sale | $1.35 | -3,564 | 431.6K | -0.8% | -$4,811 |
| 2025-01-30 | 2025-01-29 | CRBU | Ryali Sriram | CFO | P - Purchase | $1.42 | +17.4K | 17.4K | New | +$24.7K | |
| 2024-11-22 | 2024-11-20 | CRBU | Fischesser Ryan | VP of Fin, Ctrl | A - Grant | $0.00 | +25.0K | 118.9K | +27% | $0 | |
| D | 2024-02-22 | 2024-02-20 | CRBU | Haurwitz Rachel E. | Pres, CEO, Dir | A - Grant | $0.00 | +118.7K | 158.7K | +297% | $0 |
| D | 2024-02-22 | 2024-02-20 | CRBU | Khan Ruhi Ahmad | Chief Business Off | A - Grant | $0.00 | +33.0K | 33.0K | New | $0 |
| D | 2024-02-22 | 2024-02-20 | CRBU | O'Byrne Jason | CFO | A - Grant | $0.00 | +33.0K | 59.2K | +126% | $0 |
| D | 2024-02-22 | 2024-02-20 | CRBU | Kanner Steven | CSO | A - Grant | $0.00 | +33.0K | 387.0K | +9% | $0 |
| D | 2024-02-22 | 2024-02-20 | CRBU | MCCLUNG BARBARA G | CLO | A - Grant | $0.00 | +33.0K | 409.6K | +9% | $0 |
| D | 2024-02-08 | 2024-02-06 | CRBU | Kanner Steven | CSO | M - OptEx | $2.69 | +30.6K | 354.0K | +9% | +$82.3K |
| D | 2023-06-09 | 2023-06-08 | CRBU | Haurwitz Rachel E. | Pres, CEO, Dir | M - OptEx | $2.96 | +10.0K | 40.0K | +33% | +$29.6K |
| D | 2023-03-22 | 2023-03-20 | CRBU | Haurwitz Rachel E. | Pres, CEO, Dir | M - OptEx | $2.96 | +10.0K | 30.0K | +50% | +$29.6K |
| 2023-01-20 | 2023-01-19 | CRBU | Rizvi Syed Ali-aamir | Chief Medical Off | S - Sale | $6.31 | -5,627 | 59.4K | -9% | -$35.5K | |
| D | 2022-12-02 | 2022-12-02 | CRBU | Kanner Steven | CSO | M - OptEx | $2.69 | +21.4K | 323.5K | +7% | +$57.6K |
| DM | 2022-10-07 | 2022-10-06 | CRBU | Fischesser Ryan | VP of Fin, Ctrl | M - OptEx | $3.40 | +5,678 | 116.0K | +5% | +$19.3K |
| D | 2022-10-07 | 2022-10-06 | CRBU | Fischesser Ryan | VP of Fin, Ctrl | S - Sale+OE | $10.80 | -10.0K | 110.4K | -8% | -$108.0K |
| DM | 2022-09-16 | 2022-09-15 | CRBU | MCCLUNG BARBARA G | CLO | M - OptEx | $2.69 | +27.6K | 376.6K | +8% | +$74.2K |
| D | 2022-08-26 | 2022-08-25 | CRBU | Kanner Steven | CSO | S - Sale+OE | $11.22 | -43.2K | 302.1K | -13% | -$485.2K |
| D | 2022-08-26 | 2022-08-25 | CRBU | Kanner Steven | CSO | M - OptEx | $2.69 | +43.2K | 345.3K | +14% | +$116.3K |
| 2022-08-24 | 2022-08-22 | CRBU | Fischesser Ryan | VP of Fin, Ctrl | A - Grant | $0.00 | +4,848 | 120.4K | +4% | $0 | |
| DM | 2022-05-17 | 2022-05-13 | CRBU | Kanner Steven | CSO | M - OptEx | $1.88 | +74.4K | 295.9K | +34% | +$140.1K |
| DA | 2022-05-10 | 2022-01-26 | CRBU | Haurwitz Rachel E. | Pres, CEO, Dir | M - OptEx | $2.96 | +10.0K | 10.0K | New | +$29.6K |
| D | 2022-05-10 | 2022-05-09 | CRBU | Haurwitz Rachel E. | Pres, CEO, Dir | M - OptEx | $2.96 | +10.0K | 20.0K | +100% | +$29.6K |
| DM | 2022-05-06 | 2022-05-05 | CRBU | Fischesser Ryan | VP of Fin, Ctrl | M - OptEx | $3.40 | +2,274 | 114.4K | +2% | +$7,733 |
| DM | 2022-03-17 | 2022-03-15 | CRBU | Fischesser Ryan | VP of Fin, Ctrl | M - OptEx | $3.40 | +2,274 | 113.2K | +2% | +$7,733 |
| DM | 2022-03-07 | 2022-03-04 | CRBU | Kanner Steven | CSO | M - OptEx | $2.90 | +10.7K | 227.6K | +5% | +$31.0K |
| D | 2022-02-08 | 2022-02-08 | CRBU | O'Byrne Jason | CFO | M - OptEx | $4.11 | +24.3K | 24.3K | New | +$100.0K |
| D | 2022-01-27 | 2022-01-26 | CRBU | Haurwitz Rachel E. | Pres, CEO, Dir | M - OptEx | $2.96 | +10.0K | 3.36M | +0.3% | +$29.6K |
| D | 2022-01-25 | 2022-01-25 | CRBU | Rizvi Syed Ali-aamir | Chief Medical Off | A - Grant | $0.00 | +60.0K | 65.0K | +1,200% | $0 |
| DM | 2022-01-12 | 2022-01-11 | CRBU | Fischesser Ryan | VP of Fin, Ctrl | P - Purchase | $4.00 | +7,387 | 102.3K | +8% | +$29.6K |
| D | 2021-12-21 | 2021-12-20 | CRBU | Fischesser Ryan | VP of Fin, Ctrl | P - Purchase | $2.69 | +1,136 | 101.7K | +1% | +$3,056 |
| DM | 2021-12-08 | 2021-12-07 | CRBU | MCCLUNG BARBARA G | CLO | P - Purchase | $2.69 | +6,127 | 349.0K | +2% | +$16.5K |
| DM | 2021-10-21 | 2021-10-20 | CRBU | MCCLUNG BARBARA G | CLO | P - Purchase | $2.69 | +9,219 | 342.8K | +3% | +$24.8K |
| DM | 2021-10-13 | 2021-10-12 | CRBU | Kanner Steven | CSO | P - Purchase | $1.92 | +114.9K | 200.4K | +134% | +$220.8K |
| D | 2021-10-12 | 2021-10-11 | CRBU | Fischesser Ryan | VP of Fin, Ctrl | P - Purchase | $2.69 | +1,746 | 100.6K | +2% | +$4,697 |
| DMI | 2021-07-29 | 2021-07-27 | CRBU | FMR LLC | See Remark 1 | C - Cnv Deriv | — | +3.32M | 770.5K | New | — |
Purchase Sale Sale after option exercise All abbreviations