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Caribou Biosciences, Inc.

All insider transactions

24 transactions

DateMoveSecurityInsiderΔ sharesPriceValueHeld afterImpact
Feb 25, 2026SellCommon StockKelly Timothy P
Executive
-6,228$1.93$12.0K73,125low
Feb 24, 2026SellCommon StockKelly Timothy P
Executive
-3,147$1.96$6.2K79,353low
Feb 24, 2026SellCommon StockAlbertson Tina M.
Executive
-1,066$1.96$2.1K68,523low
Feb 24, 2026SellCommon StockKhan Ruhi Ahmad
Executive
-6,938$1.96$13.6K104,998low
Feb 24, 2026SellCommon StockMCCLUNG BARBARA G
Executive
-6,938$1.96$13.6K481,564low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 247,500 Common Stock exp. Feb 19, 2036
Option to purchase Common StockRyali Sriram
Executive
+247,500247,500low
Feb 20, 2026Other
Grant / award
Common StockRyali Sriram
Executive
+55,000$0.00$072,360low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 202,500 Common Stock exp. Feb 19, 2036
Option to purchase Common StockKelly Timothy P
Executive
+202,500202,500low
Feb 20, 2026Other
Grant / award
Common StockKelly Timothy P
Executive
+45,000$0.00$082,500low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 45,000 Common Stock exp. Feb 19, 2036
Option to purchase Common StockJOHNSON DAVID LEE
Director
+45,00045,000low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 45,000 Common Stock exp. Feb 19, 2036
Option to purchase Common StockSacks Natalie
Director
+45,00045,000low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 682,500 Common Stock exp. Feb 19, 2036
Option to purchase Common StockHaurwitz Rachel E.
CEO
+682,500682,500low
Feb 20, 2026Other
Grant / award
Common StockHaurwitz Rachel E.
CEO
+151,700$0.00$0447,150low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 45,000 Common Stock exp. Feb 19, 2036
Option to purchase Common StockBraunstein Scott
Director
+45,00045,000low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 247,500 Common Stock exp. Feb 19, 2036
Option to purchase Common StockAlbertson Tina M.
Executive
+247,500247,500low
Feb 20, 2026Other
Grant / award
Common StockAlbertson Tina M.
Executive
+55,000$0.00$069,589low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 202,500 Common Stock exp. Feb 19, 2036
Option to purchase Common StockKhan Ruhi Ahmad
Executive
+202,500202,500low
Feb 20, 2026Other
Grant / award
Common StockKhan Ruhi Ahmad
Executive
+45,000$0.00$0111,936low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 202,500 Common Stock exp. Feb 19, 2036
Option to purchase Common StockMCCLUNG BARBARA G
Executive
+202,500202,500low
Feb 20, 2026Other
Grant / award
Common StockMCCLUNG BARBARA G
Executive
+45,000$0.00$0488,502low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 45,000 Common Stock exp. Feb 19, 2036
Option to purchase Common StockRichardson-Heron Dara
Director
+45,00045,000low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 45,000 Common Stock exp. Feb 19, 2036
Option to purchase Common StockZheng Ran
Director
+45,00045,000low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 45,000 Common Stock exp. Feb 19, 2036
Option to purchase Common StockWhiting Nancy
Director
+45,00045,000low
Feb 20, 2026Other
Grant / award · Option to purchase Common Stock → 45,000 Common Stock exp. Feb 19, 2036
Option to purchase Common StockGUGGENHIME ANDREW
Director
+45,00045,000low
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