February 20, 2026 · Form 4 insider transaction
Haurwitz Rachel E. bought 682,500 shares of Caribou Biosciences, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 0 days after the transaction.
1/48 of the total number of shares subject to this option will vest on each monthly anniversary of the grant date such that the option will be fully vested on February 20, 2030, subject to the reporting person continuing to provide service to the Issuer through each such vesting date.