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United States Biotechnology & Medical Research

Caribou Biosciences Inc (CRBU)

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Ticker: CRBU Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Kelly Timothy P
Chief Technology Officer
1 sale — total 12,020 USD
Sale 25 Feb 2026
Value US$2,860,036.44 | Price 277.45 | Shares 49,198
Proposed sale 25 Feb 2026
Value US$1,031,221.59 | Price 396.86 | Shares 61,261
Proposed sale 24 Feb 2026
Value US$13,598.48 | Price 1.96 | Shares 6,938
Proposed sale 24 Feb 2026
Value US$13,598.48 | Price 1.96 | Shares 6,938
Sale 24 Feb 2026
Value US$6,168.12 | Price 1.96 | Shares 3,147
Planned sale 24 Feb 2026
Value US$13,598.48 | Price 1.96 | Shares 6,938
Planned sale 24 Feb 2026
Value US$2,089.36 | Price 1.96 | Shares 1,066
Planned sale 24 Feb 2026
Value US$13,598.48 | Price 1.96 | Shares 6,938
Buy 14 Mar 2025
Value US$20,400.00 | Price 1.02 | Shares 20,000
Planned sale 21 Feb 2025
Value US$4,811.40 | Price 1.35 | Shares 3,564
Planned sale 21 Feb 2025
Value US$4,811.40 | Price 1.35 | Shares 3,564
Planned sale 21 Feb 2025
Value US$4,811.40 | Price 1.35 | Shares 3,564
Buy 29 Jan 2025
Value US$24,651.20 | Price 1.42 | Shares 17,360
Sale 19 Jan 2023
Value US$35,506.37 | Price 6.31 | Shares 5,627
Sale 6 Oct 2022
Value US$107,958.00 | Price 10.80 | Shares 10,000
Planned sale 25 Aug 2022
Value US$485,220.94 | Price 11.22 | Shares 43,248
Buy 11 Jan 2022
Value US$28,021.98 | Price 4.11 | Shares 6,818
Buy 11 Jan 2022
Value US$1,530.61 | Price 2.69 | Shares 569
Buy 20 Dec 2021
Value US$3,055.84 | Price 2.69 | Shares 1,136
Buy 7 Dec 2021
Value US$16,449.35 | Price 2.69 | Shares 6,115
Buy 7 Dec 2021
Value US$32.28 | Price 2.69 | Shares 12
Buy 20 Oct 2021
Value US$115.67 | Price 2.69 | Shares 43
Buy 20 Oct 2021
Value US$24,683.44 | Price 2.69 | Shares 9,176
Buy 12 Oct 2021
Value US$39,311.66 | Price 2.69 | Shares 14,614
Buy 12 Oct 2021
Value US$1,263.38 | Price 1.81 | Shares 698
Buy 12 Oct 2021
Value US$180,181.88 | Price 1.81 | Shares 99,548
Buy 11 Oct 2021
Value US$4,696.74 | Price 2.69 | Shares 1,746
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-02-27 2026-02-25 S Sale
1.3
Kelly Timothy P

Chief Technology Officer

Officer
49,198 +39.1%
277.45
US$2,860,036 		49,198 +39.1% 277.45 US$2,860,036
2026-02-25 2026-02-25 PrS Proposed sale
1.3
TIMOTHY KELLY

Officer

Officer
61,261
396.86
US$1,031,222 		61,261 396.86 US$1,031,222
2026-02-25 2026-02-24 PrS Proposed sale
RUHI AHMAD KHAN

Officer

Officer
58,733
435.90
US$3,751,783 		58,733 435.90 US$3,751,783
2026-02-25 2026-02-24 PrS Proposed sale
BARBARA G MCCLUNG

Officer

Officer
6,938
1.96
US$13,598 		6,938 1.96 US$13,598
2026-02-24 2026-02-24 S Sale
1.3
Kelly Timothy P

Chief Technology Officer

Officer
3,147 -3.8%
1.96
US$6,168 		3,147 -3.8% 1.96 US$6,168
2026-02-24 2026-02-24 PlS Planned sale
MCCLUNG BARBARA G

Chief Legal Officer

Officer
6,938 -1.4%
1.96
US$13,598 		6,938 -1.4% 1.96 US$13,598
2026-02-24 2026-02-24 PlS Planned sale
Albertson Tina M.

Chief Medical Officer

Officer
1,066 -1.5%
1.96
US$2,089 		1,066 -1.5% 1.96 US$2,089
2026-02-24 2026-02-24 PlS Planned sale
Khan Ruhi Ahmad

Chief Business Officer

Officer
6,938 -6.2%
1.96
US$13,598 		6,938 -6.2% 1.96 US$13,598
2025-03-17 2025-03-14 B Purchase
2.3
Haurwitz Rachel E.

President and CEO

Executive Director
20,000 +0.6%
1.02
US$20,400 		20,000 +0.6% 1.02 US$20,400
2025-02-21 2025-02-21 PlS Planned sale
MCCLUNG BARBARA G

Chief Legal Officer

Officer
3,564 -0.8%
1.35
US$4,811 		3,564 -0.8% 1.35 US$4,811
2025-02-21 2025-02-21 PlS Planned sale
Kanner Steven

Chief Scientific Officer

Officer
3,564 -0.8%
1.35
US$4,811 		3,564 -0.8% 1.35 US$4,811
2025-02-21 2025-02-21 PlS Planned sale
Khan Ruhi Ahmad

Chief Business Officer

Officer
3,564 -5.1%
1.35
US$4,811 		3,564 -5.1% 1.35 US$4,811
2025-01-30 2025-01-29 B Purchase
2.7
Ryali Sriram

Chief Financial Officer

Officer
17,360 +inf%
1.42
US$24,651 		17,360 +inf% 1.42 US$24,651
2023-01-20 2023-01-19 S Sale
3.1
Rizvi Syed Ali-aamir

Chief Medical Officer

Officer
5,627 -8.7%
6.31
US$35,506 		5,627 -8.7% 6.31 US$35,506
2022-10-07 2022-10-06 S Sale
3.2
Fischesser Ryan

VP of Finance and Controller

Officer
10,000 -8.3%
10.80
US$107,958 		10,000 -8.3% 10.80 US$107,958
2022-08-26 2022-08-25 PlS Planned sale
Kanner Steven

Chief Scientific Officer

Officer
43,248 -12.5%
11.22
US$485,221 		43,248 -12.5% 11.22 US$485,221
2022-01-12 2022-01-11 B Purchase
3.2
Fischesser Ryan

VP of Finance and Controller

Officer
6,818 +6.7%
4.11
US$28,022 		6,818 +6.7% 4.11 US$28,022
2022-01-12 2022-01-11 B Purchase
3.2
Fischesser Ryan

VP of Finance and Controller

Officer
569 +0.6%
2.69
US$1,531 		569 +0.6% 2.69 US$1,531
2021-12-21 2021-12-20 B Purchase
3.2
Fischesser Ryan

VP of Finance and Controller

Officer
1,136 +1.1%
2.69
US$3,056 		1,136 +1.1% 2.69 US$3,056
2021-12-08 2021-12-07 B Purchase
MCCLUNG BARBARA G

Chief Legal Officer

Officer
6,115 +1.8%
2.69
US$16,449 		6,115 +1.8% 2.69 US$16,449
2021-12-08 2021-12-07 B Purchase
MCCLUNG BARBARA G

Chief Legal Officer

Officer
12 +0.0%
2.69
US$32 		12 +0.0% 2.69 US$32
2021-10-21 2021-10-20 B Purchase
MCCLUNG BARBARA G

Chief Legal Officer

Officer
43 +0.0%
2.69
US$116 		43 +0.0% 2.69 US$116
2021-10-21 2021-10-20 B Purchase
MCCLUNG BARBARA G

Chief Legal Officer

Officer
9,176 +2.8%
2.69
US$24,683 		9,176 +2.8% 2.69 US$24,683
2021-10-13 2021-10-12 B Purchase
Kanner Steven

Chief Scientific Officer

Officer
14,614 +7.3%
2.69
US$39,312 		14,614 +7.3% 2.69 US$39,312
2021-10-13 2021-10-12 B Purchase
Kanner Steven

Chief Scientific Officer

Officer
698 +0.3%
1.81
US$1,263 		698 +0.3% 1.81 US$1,263
2021-10-13 2021-10-12 B Purchase
Kanner Steven

Chief Scientific Officer

Officer
99,548 +99.4%
1.81
US$180,182 		99,548 +99.4% 1.81 US$180,182
2021-10-12 2021-10-11 B Purchase
3.2
Fischesser Ryan

VP of Finance and Controller

Officer
1,746 +1.8%
2.69
US$4,697 		1,746 +1.8% 2.69 US$4,697
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