Scott Braunstein - 20 Dec 2021 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
20 Dec 2021
Net transactions value
$0
Form type
4
Filing time
21 Dec 2021, 16:20:14 UTC
Previous filing
22 Jul 2021
Next filing
07 Feb 2022

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 +27,500 $0.000000 27,500 20 Dec 2021 Common Stock 27,500 $15.16 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 December 20, 2022, subject to the reporting person continuing to provide services to the Issuer through each such vesting date.