InsiderTrades

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
Buying vs selling by month open-market trades, last 24 months
BoughtSold

Most active insiders, 12 months

InsiderTitleBoughtSold
Kelly Timothy PCTO —$18.2K
Khan Ruhi AhmadChief Business Off —$13.6K
MCCLUNG BARBARA GCLO —$13.6K
Albertson Tina M.Chief Medical Off —$2,089
Ryali SriramCFO ——
Haurwitz Rachel E.Pres, CEO, Dir ——

Transactions 55

Type
Reset
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