Insider Transactions Reported by 19 Insiders of Caribou Biosciences, Inc.

Symbol
CRBU on Nasdaq
Location
Berkeley, CA

Insiders trading volume in the past year

Caribou Biosciences, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
FMR LLC Other* $9,836,921 27 Jul 2021
Rachel E. Haurwitz President and CEO, Director $5,953,810 20 Feb 2026
Barbara G. McClung Chief Legal Officer $943,865 -$13,598 -1.4% 20 Feb 2026
Steven Kanner Chief Scientific Officer $640,767 20 Feb 2025
Jason O'Byrne Chief Financial Officer $511,703 20 Feb 2024
Syed Ali-Aamir Rizvi Chief Medical Officer $352,390 21 Feb 2023
Ryan Fischesser VP of Finance and Controller $319,717 20 Nov 2024
Ruhi Ahmad Khan Chief Business Officer $205,796 -$13,598 -6.2% 20 Feb 2026
Timothy P. Kelly Chief Technology Officer $141,131 -$18,188 -11% 25 Feb 2026
Tina M. Albertson Chief Medical Officer $134,305 -$2,089 -1.5% 20 Feb 2026
Sriram Ryali Chief Financial Officer $112,881 20 Feb 2026
Dara Richardson-Heron Director 20 Feb 2026
Nancy Whiting Director 20 Feb 2026
Ran Zheng Director 20 Feb 2026
Natalie Sacks Director 20 Feb 2026
Jeffrey Long-McGie Director 22 Jul 2021
Andrew Guggenhime Director 20 Feb 2026
David Lee Johnson Director 20 Feb 2026
Scott Braunstein Director 20 Feb 2026

Recent Insider Transactions by Companies or Individuals for Caribou Biosciences, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Timothy P. Kelly CRBU Common Stock Sale -7.85% $12,020 $1.93 -6,228 73,125 25 Feb 2026 Direct
Timothy P. Kelly CRBU Common Stock Sale -3.81% $6,168 $1.96 -3,147 79,353 24 Feb 2026 Direct
Barbara G. McClung CRBU Common Stock Sale -1.42% $13,598 $1.96 -6,938 481,564 24 Feb 2026 Direct
Ruhi Ahmad Khan CRBU Common Stock Sale -6.2% $13,598 $1.96 -6,938 104,998 24 Feb 2026 Direct
Tina M. Albertson CRBU Common Stock Sale -1.53% $2,089 $1.96 -1,066 68,523 24 Feb 2026 Direct
Timothy P. Kelly CRBU Common Stock Award 120% 45,000 82,500 20 Feb 2026 Direct
Timothy P. Kelly CRBU Option to purchase Common Stock Award 202,500 202,500 20 Feb 2026 Direct
Barbara G. McClung CRBU Common Stock Award 10.2% 45,000 488,502 20 Feb 2026 Direct
Barbara G. McClung CRBU Option to purchase Common Stock Award 202,500 202,500 20 Feb 2026 Direct
Ruhi Ahmad Khan CRBU Common Stock Award 67.2% 45,000 111,936 20 Feb 2026 Direct
Ruhi Ahmad Khan CRBU Option to purchase Common Stock Award 202,500 202,500 20 Feb 2026 Direct
Tina M. Albertson CRBU Common Stock Award 377% 55,000 69,589 20 Feb 2026 Direct
Tina M. Albertson CRBU Option to purchase Common Stock Award 247,500 247,500 20 Feb 2026 Direct
Ran Zheng CRBU Option to purchase Common Stock Award 45,000 45,000 20 Feb 2026 Direct
Nancy Whiting CRBU Option to purchase Common Stock Award 45,000 45,000 20 Feb 2026 Direct
Natalie Sacks CRBU Option to purchase Common Stock Award 45,000 45,000 20 Feb 2026 Direct
Dara Richardson-Heron CRBU Option to purchase Common Stock Award 45,000 45,000 20 Feb 2026 Direct
David Lee Johnson CRBU Option to purchase Common Stock Award 45,000 45,000 20 Feb 2026 Direct
Andrew Guggenhime CRBU Option to purchase Common Stock Award 45,000 45,000 20 Feb 2026 Direct
Scott Braunstein CRBU Option to purchase Common Stock Award 45,000 45,000 20 Feb 2026 Direct
Sriram Ryali CRBU Common Stock Award 316.8% 55,000 72,360 20 Feb 2026 Direct
Sriram Ryali CRBU Option to purchase Common Stock Award 247,500 247,500 20 Feb 2026 Direct
Rachel E. Haurwitz CRBU Common Stock Award 51.4% 151,700 447,150 20 Feb 2026 Direct
Rachel E. Haurwitz CRBU Option to purchase Common Stock Award 682,500 682,500 20 Feb 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.