Nancy Whiting - 21 Feb 2023 Form 4 Insider Report for Caribou Biosciences, Inc. (CRBU)

Role
Director
Signature
/s/ Barbara G. McClung, as attorney-in-fact
Issuer symbol
CRBU
Transactions as of
21 Feb 2023
Net transactions value
$0
Form type
4
Filing time
23 Feb 2023, 15:48:11 UTC
Previous filing
22 Dec 2021
Next filing
22 Feb 2024
SEC
View on sec.gov

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CRBU Option to purchase Common Stock Award $0 +21,500 $0.000000 21,500 21 Feb 2023 Common Stock 21,500 $6.12 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 One-twelfth of the 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 21, 2024, subject to the reporting person continuing to provide service to the Issuer through each such vesting date.